Author Publications

Export as [feed] Atom [feed] RSS 1.0 [feed] RSS 2.0
Group by: Date | Item Type
Number of items: 510.

Article

Agazzi, L. and Akça, I. and Aravazhi, S. and Ay, F. and Bernhardi, E.H. and Çivitci, F. and Dalfsen, K. van and Dijkstra, M. and Garcia Blanco, S.M. and Geskus, D. and Hammer, M. and Hoekstra, H.J.W.M. and Hollink, A.J.F. and Ismail, N. and Pham, S. Van and Ridder, R.M. de and Sengo, G. and Wörhoff, K. and Pollnau, M. (2011) Integrated optical microsystems: guiding light into the future. Focus Magazine, 41 (4). pp. 10-13.

Agazzi, L. and Wörhoff, K. and Pollnau, M. (2013) Energy-transfer-upconversion models, their applicability and breakdown in the presence of spectroscopically distinct ion classes: a case study in amorphous $Al_2O_3:Er^{3+}$. Journal of physical chemistry C, 117 (13). pp. 6759-6776. ISSN 1932-7447

Agazzi, Laura and Bernhardi, Edward H. and Wörhoff, Kerstin and Pollnau, Markus (2012) Impact of luminescence quenching on relaxation-oscillation frequency in solid-state lasers. Applied physics letters, 100 (1). 011109. ISSN 0003-6951

Agazzi, Laura and Bradley, Jonathan D.B. and Dijkstra, Meindert and Ay, Feridun and Roelkens, Gunther and Baets, Roel and Wörhoff, Kerstin and Pollnau, Markus (2010) Monolithic integration of erbium-doped amplifiers with silicon-on-insulator waveguides. Optics Express, 18 (26). pp. 27703-27711. ISSN 1094-4087

Agazzi, Laura and Wörhoff, Kerstin and Kahn, Andreas and Fechner, Matthias and Huber, Günter and Pollnau, Markus (2013) Spectroscopy of upper energy levels in an $Er^{3+}$-doped amorphous oxide. Journal of the Optical Society of America B: Optical Physics, 30 (3). pp. 663-677. ISSN 0740-3224

Akca, B.I. and Doerr, C.R. and Sengo, G. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de (2012) Broad-spectral-range synchronized flat-top arrayed-waveguide grating applied in a 225-channel cascaded spectrometer. Optics express, 20 (16). pp. 18313-18318. ISSN 1094-4087

Akca, B.I. and Nguyen, V.D. and Kalkman, J. and Ismail, N. and Sengo, G. and Sun, Fei and Driessen, A. and Leeuwen, A.G.J.M. van and Pollnau, M. and Worhoff, K. and Ridder, R.M. de (2012) Toward spectral-domain optical coherence tomography on a chip. IEEE journal of selected topics in quantum electronics, 18 (3). 1223 - 1233. ISSN 1077-260X

Akca, B.I. and Povazay, B. and Alex, A. and Wörhoff, K. and Ridder, R.M. de and Drexler, W. and Pollnau, M. (2013) Miniature spectrometer and beam splitter for an optical coherence tomography on a silicon chip. Optics express, 21 (14). pp. 16648-16656. ISSN 1094-4087

Akca, B.I. and Sengo, G. and Pollnau, M. and Driessen, A. and Wörhoff, K. and Ridder, R.M. de (2012) Flat-focal-field integrated spectrometer using a field-flattening lens. Optics Letters, 37 (20). pp. 4281-4283. ISSN 0146-9592

Akça, Imran B. and Chang, Lantian and Sengo, Gabriel and Wörhoff, Kerstin and Ridder, René M. de and Pollnau, Markus (2012) Polarization-independent enhanced-resolution arrayed-waveguide grating used in spectral-domain optical low-coherence reflectometry. IEEE Photonics Technology Letters, 24 (10). pp. 848-850. ISSN 1041-1135

Apostolopoulos, V. and Laversenne, L. and Colomb, T. and Depeursinge, C. and Salathé, R.P. and Pollnau, M. and Osellame, R. and Cerullo, G. and Laporta, P. (2004) Femtosecond-irradiation-induced refractive-index changes and channel waveguiding in bulk $Ti^{3+}$ : sapphire. Applied Physics Letters, 85 (7). pp. 1122-1124. ISSN 0003-6951

Aravazhi, S. and Geskus, D. and Dalfsen, K. van and Vazquez-Cordova, S.A. and Grivas, C. and Griebner, U. and Garcia Blanco, S.M. and Pollnau, M. (2013) Engineering lattice matching, doping level, and optical properties of KY(WO4)2:Gd, Lu, Yb layers for a cladding-side-pumped channel waveguide laser. Applied physics B: Lasers and optics, 111 (3). 433 - 446. ISSN 0946-2171

Aravazhi, S. and Geskus, D. and Dalfsen, K. van and Vázquez-Córdova, S.A. and Grivas, C. and Griebner, U. and Garcia Blanco, S.M. and Pollnau, M. (2013) Engineering lattice matching, doping level, and optical properties of $KY(WO_4)_2:Gd,Lu,Yb$ layers for a cladding-side-pumped channel waveguide laser. Applied physics B: Lasers and optics, 111 (3). pp. 433-446. ISSN 0946-2171

Ay, F. and Inurrategui, I. and Geskus, D. and Aravazhi, S. and Pollnau, M. (2011) Integrated lasers in crystalline double tungstates with focused-ion-beam nanostructured photonic cavities. Laser Physics Letters, 8 (6). pp. 423-430. ISSN 1612-2011

Ay, Feridun and Wörhoff, Kerstin and Ridder, René M. de and Pollnau, Markus (2012) Focused-ion-beam nanostructuring of Al$_{2}$O$_{3}$ dielectric layers for photonic applications. Journal of Micromechanics and Microengineering, 22 (10). p. 105008. ISSN 0960-1317

Baclig, A.C. and Ismail, N. and Ridder, R.M. de and Pollnau, M. and Caspers, P.J. and Puppels, G.J. (2012) Low-resolution Raman spectroscopy over a wide spectral range with a single-diffraction order arrayed-waveguide grating. Journal of Raman Spectroscopy, 43 (9). pp. 1306-1311. ISSN 0377-0486

Bedö, S. and Pollnau, M. and Lüthy, W. and Weber, H.P. (1995) Saturation of the 2.71 µm laser output in erbium doped ZBLAN fibers. Optics Communications, 116 (1-3). pp. 81-86. ISSN 0030-4018

Bernhardi, E.H. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2012) Photonic generation of stable microwave signals from a dual-wavelength $Al_2O_3:Yb^{3+}$ distributed-feedback waveguide laser. Optics Letters, 37 (2). pp. 181-183. ISSN 0146-9592

Bernhardi, E.H. and Lu, Q. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Monolithic Distributed Bragg Reflector Cavities in Al2O3 with Quality Factors Exceeding 106. Photonics and Nanostructures . ISSN 1569-4410

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Agazzi, L. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de (2010) Ultra-narrow-linewidth, single-frequency distributed feedback waveguide laser in Al2O3:Er3+ on silicon. Optics Letters, 35 (14). pp. 2394-2396. ISSN 0146-9592

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Highly efficient, low-threshold monolithic distributed-Bragg-reflector channel waveguide laser in Al$_{2}$O$_{3}$:Yb$^{3+}$. Optics Letters, 36 (5). pp. 603-605. ISSN 0146-9592

Bernhardi, E.H. and Werf, K.O. van der and Hollink, A.J.F. and Wörhoff, K. and Ridder, R.M. de and Subramaniam, V. and Pollnau, M. (2013) Intra-laser-cavity microparticle sensing with a dual-wavelength distributed-feedback laser. Laser & photonics reviews, 7 (4). pp. 589-595. ISSN 1863-8899

Borca, C.N. and Apostolopoulos, V. and Gardillou, F. and Limberger, H.G. and Pollnau, M. and Salathé, R.P. (2007) Buried channel waveguides in Yb-doped $KY{(WO_4)}_2$ crystals fabricated by femtosecond laser irradiation. Applied Surface Science, 253 (19). pp. 8300-8303. ISSN 0169-4332

Bradley, J.D.B. and Agazzi, L. and Geskus, D. and Ay, F. and Wörhoff, K. and Pollnau, M. (2010) Gain bandwidth of 80 nm and 2 dB/cm peak gain in Al2O3:Er3+ optical amplifiers on silicon. Journal of the Optical Society of America B (Optical physics), 27 (2). pp. 187-196. ISSN 0740-3224

Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2007) Fabrication of low-loss channel waveguides in Al2O3 and Y2O3 layers by inductively coupled plasma reactive ion etching. Applied physics B: Lasers and optics, 89 (2-3). pp. 311-318. ISSN 0946-2171

Bradley, J.D.B. and Stoffer, R. and Agazzi, L. and Ay, F. and Wörhoff, K. and Pollnau, M. (2010) Integrated $Al_2O_3:Er^{3+}$ ring lasers on silicon with wide wavelength selectivity. Optics Letters, 35 (1). pp. 73-75. ISSN 0146-9592

Bradley, Jonathan D.B. and Costa e Silva, Maria and Gay, Mathilde and Bramerie, Laurent and Driessen, Alfred and Wörhoff, Kerstin and Simon, Jean-Claude and Pollnau, Markus (2009) 170 GBit/s transmission in an erbium-doped waveguide amplifier on silicon. Optics Express, 17 (24). pp. 22201-22208. ISSN 1094-4087

Bradley, Jonathan D.B. and Pollnau, Markus (2010) Erbium-doped integrated waveguide amplifiers and lasers. Laser & Photonics Reviews, 5 (3). pp. 368-403. ISSN 1863-8899

Bradley, Jonathan D.B. and Stoffer, Remco and Bakker, Arjen and Agazzi, Laura and Ay, Feridun and Wörhoff, Kerstin and Pollnau, Markus (2010) Integrated Al2O3:Er3+ zero-loss optical amplifier and power splitter with 40 nm bandwidth. IEEE Photonics Technology Letters, 22 (5). pp. 278-280. ISSN 1041-1135

Burlot-Loison, R. and Pollnau, M. and Krämer, K. and Egger, P. and Hulliger, J. and Güdel, H.U. (2000) Laser-relevant spectroscopy and upconversion mechanisms of Er3+ in Ba2YCl7 pumped at 800 nm. Journal of the Optical Society of America B: Optical Physics, 17 (12). pp. 2055-2067. ISSN 0740-3224

Crespi, Andrea and Gu, Yu and Ngamson, Bongkot and Hoekstra, Hugo J.W.M. and Dongre, Chaitanya and Pollnau, Markus and Ramponi, Roberta and Vlekkert, Hans H. van den and Watts, Paul and Cerullo, Giulio and Osellame, Roberto (2010) Three-dimensional Mach-Zehnder interferometer in a microfluidic chip for spatially-resolved label-free detection. Lab on a Chip, 10 (9). pp. 1167-1173. ISSN 1473-0197

Crunteanu, A. and Pollnau, M. and Jänchen, G. and Hibert, C. and Hoffmann, P. and Salathé, R.P. and Eason, R.W. and Grivas, C. and Shepherd, D.P. (2002) Ti:sapphire rib channel waveguide fabricated by reactive ion etching of a planar waveguide. Applied physics B: Lasers and optics, 75 (1). pp. 15-17. ISSN 0946-2171

Crunteanu, A. and Hoffmann, P. and Pollnau, M. and Buchal, C. (2003) A comparative study on methods to structure sapphire. Applied surface science, 208-20 . pp. 322-326. ISSN 0169-4332

Crunteanu, A. and Jänchen, G. and Hoffmann, P. and Pollnau, M. and Buchal, C. and Petraru, A. and Eason, R.W. and Shepherd, D.P. (2003) Three-dimensional structuring of sapphire by sequential He+ ion-beam implantation and wet chemical etching. Applied physics A: Materials science & processing, 76 (7). pp. 1109-1112. ISSN 0947-8396

Dalfsen, K. van and Aravazhi, S. and Grivas, C. and García-Blanco, S.M. and Pollnau, M. (2012) Thulium channel waveguide laser in a monoclinic double tungstate with 70% slope efficiency. Optics Letters, 37 (5). pp. 887-889. ISSN 0146-9592

Dalfsen, K. van and Aravazhi, S. and Grivas, C. and García-Blanco, S.M. and Pollnau, M. (2014) Thulium channel waveguide laser with 1.6 W of output power and ~80% slope efficiency. Optics letters, 39 (15). pp. 4380-4383. ISSN 0146-9592

Dickinson, B.C. and Golding, P.S. and Pollnau, M. and King, T.A. and Jackson, S.D. (2001) Investigation of a 791-nm pulsed-pumped 2.7-µm Er-doped ZBLAN fibre laser. Optics Communications, 191 (3-6). pp. 315-321. ISSN 0030-4018

Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Pollnau, M. and Martinez-Vazquez, R. and Osellame, R. and Cerullo, G. and Ramponi, R. and Weeghel, R. van and Besselink, G.A.J. and Vlekkert, H. van den (2008) Fluorescence monitoring of microchip capillary electrophoresis separation with monolithically integrated waveguides. Optics Letters, 33 (21). pp. 2503-2505. ISSN 0146-9592

Dongre, Chaitanya and Pollnau, Markus and Hoekstra, Hugo J.W.M. (2011) All-numerical noise filtering of fluorescence signals for achieving ultra-low limit of detection in biomedical applications. Analyst, 136 (6). pp. 1248-1251. ISSN 0003-2654

Dongre, Chaitanya and Weerd, Jasper van and Bellini, Nicola and Osellame, Roberto and Cerullo, Giulio and Weeghel, Rob van and Hoekstra, Hugo J.W.M. and Pollnau, Markus (2010) Dual-point dual-wavelength fluorescence monitoring of DNA separation in a lab on a chip. Biomedical Optics Express, 1 (2). pp. 729-735. ISSN 2156-7085

Dongre, Chaitanya and Weerd, Jasper van and Besselink, Geert A.J. and Martinez Vazquez, Rebecca and Osellame, Roberto and Cerullo, Giulio and Weeghel, Rob van and Vlekkert, Hans H. van den and Hoekstra, Hugo J.W.M. and Pollnau, Markus (2010) Modulation-frequency encoded multi-color fluorescent DNA analysis in an optofluidic chip. Lab on a Chip, 11 (4). pp. 679-683. ISSN 1473-0197

Dongre, Chaitanya and Weerd, Jasper van and Besselink, Geert A.J. and Weeghel, Rob van and Martinez-Vazquez, Rebecca and Osellame, Roberto and Cerullo, Giulio and Cretich, Marina and Chiari, Marcella and Hoekstra, Hugo J.W.M. and Pollnau, Markus (2010) High-resolution electrophoretic separation and integrated-waveguide excitation of fluorescent DNA molecules in a lab on a chip. Electrophoresis, 31 (15). pp. 2584-2588. ISSN 0173-0835

Ehrentraut, D. and Pollnau, M. (2002) Flux growth of baryte-type BaSO4 from chloridic alkaline metal solvents. Journal of Crystal Growth, 234 (2-3). pp. 533-538. ISSN 0022-0248

Ehrentraut, D. and Pollnau, M. and Kück, S. (2002) Epitaxial growth and spectroscopic investigation of BaSO4:Mn6+ layers. Applied physics B: Lasers and optics, 75 (1). pp. 59-62. ISSN 0946-2171

Ehrentraut, D. and Romanyuk, Y.E. and Pollnau, M. (2004) Flux growth and liquid-phase epitaxy of $Mn{6+}$-doped barium sulfate. Journal of Ceramic Processing Research, 5 (3). pp. 256-260. ISSN 1229-9162

Garcia-Blanco, Sonia M. and Pollnau, Markus and Bozhevolnyi, Sergey I. (2011) Loss compensation in long-range dielectric-loaded surface plasmon-polariton waveguides. Optics Express, 19 (25). pp. 25298-25311. ISSN 1094-4087

Garcia-Revilla, S. and Valiente, R. and Romanyuk, Y.E. and Pollnau, M. (2008) Temporal dynamics of upconversion luminescence in $Er^{3+}$, $Yb^{3+}$ co-doped crystalline $KY(WO_4)_2$ thin films. Journal of Luminescence, 128 (5-6). pp. 934-936. ISSN 0022-2313

García-Revilla, S. and Rodríguez, F. and Hernández, I. and Valiente, R. and Pollnau, M. (2002) Optical spectroscopic study of Al2O3:Ti3+ under hydrostatic pressure. High Pressure Research, 22 (1). pp. 127-130. ISSN 0895-7959

García-Revilla, S. and Rodríguez, F. and Valiente, R. and Pollnau, M. (2002) Optical spectroscopy of Al2O3:Ti3+ single crystal under hydrostatic pressure. The influence on the Jahn-Teller coupling. Journal of Physics: Condensed matter, 14 (3). pp. 447-459. ISSN 0953-8984

Gardillou, Florent and Romanyuk, Yaroslav E. and Borca, Camelia N. and Salathé, René-Paul and Pollnau, Markus (2007) Lu, Gd codoped $KY(WO_{4})_{2}$ : Yb epitaxial layers: Towards integrated optics based on $KY(WO_{4})_{2}$. Optics Letters, 32 (5). pp. 488-490. ISSN 0146-9592

Geskus, D. and Aravazhi, S. and Bernhardi, E. and Grivas, C. and Harkema, S. and Hametner, K. and Günther, D. and Wörhoff, K. and Pollnau, M. (2009) Low-threshold, highly efficient $Gd^{3+}$, $Lu^{3+}$ co-doped $KY(WO_4)_2:Yb^{3+}$ planar waveguide lasers. Laser Physics Letters, 6 (11). pp. 800-805. ISSN 1612-2011

Geskus, D. and Aravazhi, S. and Grivas, C. and Wörhoff, K. and Pollnau, M. (2010) Microstructured KY(WO4)2:Gd3+, Lu3+, Yb3+ channel waveguide laser. Optics Express, 18 (8). pp. 8853-8858. ISSN 1094-4087

Geskus, D. and Bernhardi, E.H. and Dalfsen, K. van and Aravazhi, S. and Pollnau, M. (2013) Highly efficient $Yb^{3+}$-doped channel waveguide laser at 981 nm. Optics express, 21 (11). pp. 13773-13778. ISSN 1094-4087

Geskus, Dimitri and Aravazhi, Shanmugam and García-Blanco, Sonia M. and Pollnau, Markus (2012) Giant optical gain in a rare-earth-ion-doped microstructure. Advanced Materials, 24 (10). OP19-OP22. ISSN 0935-9648

Geskus, Dimitri and Aravazhi, Shanmugam and Wörhoff, Kerstin and Pollnau, Markus (2010) High-power, broadly tunable, and 
low-quantum-defect KGd1-xLux(WO4)2:Yb3+ channel waveguide lasers. Optics Express, 18 (25). pp. 26107-26112. ISSN 1094-4087

Ghisler, C. and Pollnau, M. and Bunea, G. and Bunea, M. and Lüthy, W. and Weber, H.P. (1995) Up-conversion cascade laser at 1.7 µm with simultaneous 2.7 µm lasing in erbium ZBLAN fibre. Electronics Letters, 31 (5). pp. 373-374. ISSN 0013-5194

Golding, P.S. and Jackson, S.D. and King, T.A. and Pollnau, M. (2000) Energy-transfer processes in Er3+-doped and Er3+,Pr3+-codoped ZBLAN glasses. Physical Review B: Condensed matter and materials physics, 62 (2). pp. 856-864. ISSN 1098-0121

Grivas, C. and May-Smith, T.C. and Shepherd, D.P. and Eason, R.W. and Pollnau, M. and Jelinek, M. (2004) Broadband single-transverse-mode fluorescence sources based on ribs fabricated in pulsed laser deposited Ti: sapphire waveguides. Applied physics A: Materials science & processing, 79 (4-6). pp. 1195-1198. ISSN 0947-8396

Grivas, C. and Shepherd, D.P. and Eason, R.W. and Laversenne, L. and Moretti, P. and Borca, C.N. and Pollnau, M. (2006) Room-temperature continuous-wave operation of Ti:sapphire buried channel-waveguide lasers fabricated via proton implantation. Optics Letters, 31 (23). pp. 3450-3452. ISSN 0146-9592

Grivas, C. and Shepherd, D.P. and May-Smith, T.C. and Eason, R.W. and Pollnau, M. (2005) Single-transverse-mode Ti:sapphire rib waveguide laser. Optics Express, 13 (1). pp. 210-215. ISSN 1094-4087

Grivas, C. and Shepherd, D.P. and May-Smith, T.C. and Eason, R.W. and Pollnau, M. and Crunteanu, A. and Jelinek, M. (2003) Performance of Ar+-milled Ti:Sapphire rib waveguides as single transverse mode broadband fluorescence sources. IEEE Journal of Quantum Electronics, 39 (3). pp. 501-507. ISSN 0018-9197

Grivas, Christos and Pollnau, Markus (2012) Organic solid-state integrated amplifiers and lasers. Laser & Photonics Reviews, 6 (4). pp. 419-462. ISSN 1863-8899

Grivas, Christos and Yang, Jing and Diemeer, Mart B.J. and Driessen, Alfred and Pollnau, Markus (2010) Continuous-wave Nd-doped polymer lasers. Optics Letters, 35 (12). pp. 1983-1985. ISSN 0146-9592

Güdel, Hans U. and Pollnau, Markus (2000) Near-infrared to visible photon upconversion processes in lanthanide doped chloride, bromide and iodide lattices. Journal of Alloys and Compounds, 303-30 . pp. 307-315. ISSN 0925-8388

Hardman, P.J. and Clarkson, W.A. and Friel, G.J. and Pollnau, M. and Hanna, D.C. (1999) Energy-transfer upconversion and thermal lensing in high-power end-pumped Nd:YLF laser crystals. IEEE Journal of Quantum Electronics, 35 (4). pp. 647-655. ISSN 0018-9197

Hopman, Wico C.L. and Ay, Feridun and Hu, Wenbin and Gadgil, Vishwas J. and Kuipers, Laurens and Pollnau, Markus and Ridder, René M. de (2007) Focused ion beam scan routine, dwell time and dose optimization for submicrometre period planar photonic crystal components and stamps in silicon. Nanotechnology, 18 (19). 195305/1-195305/11. ISSN 0957-4484

Ismail, N. and Choo-Smith, L.P. and Wörhoff, K. and Driessen, A. and Baclig, A.C. and Caspers, P.J. and Puppels, G.J. and Ridder, R.M. de and Pollnau, M. (2011) Raman spectroscopy with an integrated arrayed-waveguide grating. Optics Letters, 36 (23). pp. 4629-4631. ISSN 0146-9592

Ismail, N. and Sun, Fei and Sengo, Gabriël and Wörhoff, Kerstin and Driessen, Alfred and Ridder, René M. de and Pollnau, Markus (2011) Improved arrayed-waveguide-grating layout avoiding systematic phase errors. Optics Express, 19 (9). pp. 8781-8794. ISSN 1094-4087

Ismail, Nur and Akca, Bakiye Imran and Sun, Fei and Wörhoff, Kerstin and Ridder, René M. de and Pollnau, Markus and Driessen, Alfred (2010) Integrated approach to laser delivery and confocal signal detection. Optics Letters, 35 (16). pp. 2741-2743. ISSN 0146-9592

Ismail, Nur and Sun, Fei and Wörhoff, Kerstin and Driessen, Alfred and Ridder, René M. de and Pollnau, Markus (2010) Excitation and light collection from highly scattering media with integrated waveguides. IEEE Photonics Technology Letters, 23 (5). pp. 278-280. ISSN 1041-1135

Ismail, Nur and Çivitci, Fehmi and Wörhoff, Kerstin and Ridder, René M. de and Pollnau, Markus and Driessen, Alfred (2011) Efficiency of integrated waveguide probes for the detection of light backscattered from weakly scattering media. Applied Optics, 50 (6). pp. 935-942. ISSN 0003-6935

Jackson, S.D. and King, T.A. and Pollnau, M. (2000) Modelling of high-power diode-pumped erbium 3-µm fibre lasers. Journal of Modern Optics, 47 (11). pp. 1987-1994. ISSN 0950-0340

Jackson, S.D. and King, T.A. and Pollnau, M. (2000) Efficient high power operation of erbium 3 µm fibre laser diode-pumped at 975 nm. Electronics Letters, 36 (3). pp. 223-224. ISSN 0013-5194

Jackson, Stuart D. and King, Terence A. and Pollnau, Markus (1999) Diode-pumped 1.7-W erbium 3-µm fiber laser. Optics Letters, 24 (16). pp. 1133-1135. ISSN 0146-9592

Jackson, Stuart D. and Pollnau, Markus and Li, Jianfeng (2011) Diode pumped erbium cascade fiber lasers. IEEE Journal of Quantum Electronics, 47 (4). pp. 471-478. ISSN 0018-9197

Kahn, Andreas and Heinrich, Sebastian and Kühn, Henning and Petermann, Klaus and Bradley, Jonathan D.B. and Wörhoff, Kerstin and Pollnau, Markus and Huber, Günther (2009) Low threshold monocrystalline $Nd:{(Gd,Lu)_2O_3}$ channel waveguide laser. Optics Express, 17 (6). pp. 4412-4418. ISSN 1094-4087

Kahn, Andreas and Kühn, Henning and Heinrich, Sebastian and Petermann, Klaus and Bradley, Jonathan D.B. and Wörhoff, Kerstin and Pollnau, Markus and Kuzminykh, Y. and Huber, G. (2008) Amplification in epitaxially grown $Er:(Gd, Lu)_2O_3$ waveguides for active integrated optical devices. Journal of the Optical Society of America B: Optical Physics, 25 (11). pp. 1850-1853. ISSN 0740-3224

Kauppinen, Lasse J. and Abdulla, Shahina M.C. and Dijkstra, Meindert and Boer, Meint J. de and Berenschot, Erwin and Krijnen, Gijs J.M. and Pollnau, Markus and Ridder, René M. de (2011) Micromechanically tuned ring resonator in silicon on insulator. Optics Letters, 36 (7). pp. 1047-1049. ISSN 0146-9592

Khan, Muhammad R.H. and Bernhardi, E.H. and Marpaung, David A.I. and Burla, Maurizio and Ridder, René M. de and Wörhoff, Kerstin and Pollnau, Markus and Roeloffzen, Chris G.H. (2012) Dual-frequency distributed feedback laser with optical frequency locked loop for stable microwave signal generation. IEEE photonics technology letters, 24 (16). pp. 1431-1433. ISSN 1041-1135

Kim, Jun Wan and Choi, Sun Young and Yeom, Dong-Il and Aravazhi, Shanmugam and Pollnau, Markus and Griebner, Uwe and Petrov, Valentin and Rotermund, Fabian (2013) Yb:KYW planar waveguide laser Q-switched by evanescent-field interaction with carbon nanotubes. Optics letters, 38 (23). pp. 5090-5093. ISSN 0146-9592

Kowalevicz, Andrew M. and Ko, Tony and Hartl, Ingmar and Fujimoto, James G. and Pollnau, Markus and Salathé, René P. (2002) Ultrahigh resolution optical coherence tomography using a superluminescent light source. Optics Express, 10 (7). pp. 349-353. ISSN 1094-4087

Kärtner, Franz and Pollnau, Markus and Ueda, Ken-ichi and Driel, Henry van (2010) Lasers: The next fifty years. Journal of the Optical Society of America B: Optical Physics, 27 (11). LF1. ISSN 0740-3224

Kühn, Henning and Heinrich, Sebastian and Kahn, Andreas and Petermann, Klaus and Bradley, Jonathan D.B. and Wörhoff, Kerstin and Pollnau, Markus and Huber, Günter (2009) Monocrystalline $Yb^{3+}:(Gd,Lu)_2O_3$ channel waveguide laser at 976.8 nm. Optics letters, 34 (18). pp. 2718-2720. ISSN 0146-9592

Laversenne, L. and Hoffmann, P. and Pollnau, M. and Moretti, P. and Mugnier, J. (2004) Designable buried waveguides in sapphire by proton implantation. Applied physics letters, 85 (22). pp. 5167-5169. ISSN 0003-6951

Lüthi, Stefan R. and Pollnau, Markus and Güdel, Hans U. and Hehlen, Markus P. (1999) Near-infrared to visible upconversion in Er3+ doped Cs3Lu2Cl9, Cs3Lu2Br9, and Cs3Y2I9 excited at 1.54 µm. Physical Review B: Condensed matter and materials physics, 60 (1). pp. 162-178. ISSN 1098-0121

Martinez-Vazquez, Rebecca and Osellame, Roberto and Nolli, Daniela and Dongre, Chaitanya and Vlekkert, Hans H. van den and Ramponi, Roberta and Pollnau, Markus and Cerullo, Giulio (2009) Integration of femtosecond laser writen optical waveguides in a lab-on-chip. Lab on a Chip, 9 (1). pp. 91-96. ISSN 1473-0197

Nguyen, V. Duc and Akca, B. Imran and Wörhoff, Kerstin and Ridder, René M. de and Pollnau, Markus and Leeuwen, Ton G. van and Kalkman, Jeroen (2011) Spectral domain optical coherence tomography imaging with an integrated optics spectrometer. Optics Letters, 36 (7). pp. 1293-1295. ISSN 0146-9592

Osellame, Roberto and Hoekstra, Hugo J.W.M. and Cerullo, Giulio and Pollnau, Markus (2011) Femtosecond laser microstructuring: an enabling tool for optofluidic lab-on-chips. Laser & Photonics Reviews . ISSN 1863-8899

Pham, S.V. and Dijkstra, M. and Hollink, A.J.F. and Kauppinen, L.J. and Ridder, R.M. de and Pollnau, M. and Lambeck, P.V. and Hoekstra, H.J.W.M. (2012) On-chip bulk-index concentration and direct, label-free protein sensing utilizing an optical grated-waveguide cavity. Sensors and Actuators B: Chemical, 174 . pp. 602-608. ISSN 0925-4005

Pham, So V. and Dijkstra, Meindert and Wolferen, Henk A.G.M. van and Pollnau, Markus and Krijnen, Gijs J.M. and Hoekstra, Hugo J.W.M. (2011) Integrated mechano-optical hydrogen gas sensor using cantilever bending readout with a Si3N4 grated waveguide. Optics Letters, 36 (15). pp. 3003-3005. ISSN 0146-9592

Pollnau, M. and Gamelin, D.R. and Lüthi, S.R. and Güdel, H.U. and Hehlen, M.P. (2000) Power dependence of upconversion luminescence in lanthanide and transition-metal-ion systems. Physical Review B: Condensed matter and materials physics, 61 (5). pp. 3337-3346. ISSN 1098-0121

Pollnau, M. and Ghisler, C. and Lüthy, W. and Weber, H.P. and Schneider, J. and Unrau, U.B. (1997) Three-transition cascade erbium laser at 1.7, 2.7, and 1.6 µm. Optics Letters, 22 (9). pp. 612-614. ISSN 0146-9592

Pollnau, M. and Ghisler, Ch. and Bunea, G. and Bunea, M. and Lüthy, W. and Weber, H.P. (1995) 150 mW unsaturated output power at 3 µm from a single-mode-fiber erbium cascade laser. Applied Physics Letters, 66 (26). pp. 3564-3566. ISSN 0003-6951

Pollnau, M. and Ghisler, Ch. and Lüthy, W. and Weber, H.P. (1998) Cross-sections of excited-state absorption at 800 nm in erbium-doped ZBLAN fiber. Applied physics B: Lasers and optics, 67 (1). pp. 23-28. ISSN 0946-2171

Pollnau, M. and Graf, Th. and Balmer, J.E. and Lüthy, W. and Weber, H.P. (1994) Explanation of the cw operation of the Er3+ 3-µm crystal laser. Physical Review A: Atomic, molecular, and optical physics, 49 (5). pp. 3990-3996. ISSN 1050-2947

Pollnau, M. and Grivas, C. and Laversenne, L. and Wilkinson, J.S. and Eason, R.W. and Shepherd, D.P. (2007) Ti:Sapphire waveguide lasers. Laser Physics Letters, 4 (8). pp. 560-571. ISSN 1612-2011

Pollnau, M. and Hardman, P.J. and Clarkson, W.A. and Hanna, D.C. (1998) Upconversion, lifetime quenching, and ground-state bleaching in Nd3+:LiYF4. Optics Communications, 147 (1-3). pp. 203-211. ISSN 0030-4018

Pollnau, M. and Hardman, P.J. and Kern, M.A. and Clarkson, W.A. and Hanna, D.C. (1998) Upconversion-induced heat generation and thermal lensing in Nd:YLF and Nd:YAG. Physical Review B: Condensed matter and materials physics, 58 (24). pp. 16076-16092. ISSN 1098-0121

Pollnau, M. and Heumann, E. and Danger, T. and Huber, G. (1995) Experimental determination of radiative-transition rates and quantum efficiencies in Er3+:YAlO3. Optics Communications, 118 (3-4). pp. 250-254. ISSN 0030-4018

Pollnau, M. and Heumann, E. and Huber, G. (1994) Stimulated emission and excited-state absorption at room temperature on the 550 nm-laser transition in Er3+ doped YAlO3. Journal of Luminescence, 60-61 . pp. 842-845. ISSN 0022-2313

Pollnau, M. and Heumann, E. and Huber, G. (1992) Time-resolved measurement of excited-state populations in atomic systems. Physica Status Solidi A: Applied research, 130 (2). K121-K123. ISSN 0031-8965

Pollnau, M. and Heumann, E. and Huber, G. (1992) Time-resolved spectra of excited-state absorption in Er3+ doped YAlO3. Applied physics A: Materials science & processing, 54 (5). pp. 404-410. ISSN 0947-8396

Pollnau, M. and Lüthy, W. and Weber, H.P. (1995) Population mechanisms of the green Er3+:LiYF4 laser. Journal of Applied Physics, 77 (12). pp. 6128-6134. ISSN 0021-8979

Pollnau, M. and Lüthy, W. and Weber, H.P. and Jensen, T. and Huber, G. and Cassanho, A. and Jenssen, H.P. and McFarlane, R.A. (1996) Investigation of diode-pumped 2.8-µm laser performance in Er:BaY2F8. Optics Letters, 21 (1). pp. 48-50. ISSN 0146-9592

Pollnau, M. and Lüthy, W. and Weber, H.P. and Krämer, K. and Güdel, H.U. and McFarlane, R.A. (1996) Excited-state absorption in Er:BaY2F8 and Cs3Er2Br9 and comparison with Er:LiYF4. Applied physics B: Lasers and optics, 62 (4). pp. 339-344. ISSN 0946-2171

Pollnau, M. and Salathé, R.P. and Bhutta, T. and Shepherd, D.P. and Eason, R.W. (2001) Continuous-wave broadband emitter based on a transition-metal-ion-doped waveguide. Optics Letters, 26 (5). pp. 283-285. ISSN 0146-9592

Pollnau, M. and Spring, R. and Ghisler, C. and Wittwer, S. and Lüthy, W. and Weber, H.P. (1996) Efficiency of erbium 3-µm crystal and fiber lasers. IEEE Journal of Quantum Electronics, 32 (4). pp. 657-663. ISSN 0018-9197

Pollnau, M. and Spring, R. and Wittwer, S. and Lüthy, W. and Weber, H.P. (1997) Investigations on the slope efficiency of a pulsed 2.8-µm Er3+:LiYF4 laser. Journal of the Optical Society of America B: Optical Physics, 14 (4). pp. 974-978. ISSN 0740-3224

Pollnau, Markus (2003) Broadband luminescent materials in waveguide geometry. Journal of Luminescence, 102-10 . pp. 797-801. ISSN 0022-2313

Pollnau, Markus (2003) Analysis of heat generation and thermal lensing in erbium 3-µm lasers. IEEE Journal of Quantum Electronics, 39 (2). pp. 350-357. ISSN 0018-9197

Pollnau, Markus (2002) Decorrelation of luminescent decay in energy-transfer upconversion. Journal of alloys and compounds, 341 (1-2). pp. 51-55. ISSN 0925-8388

Pollnau, Markus (1997) The route toward a diode-pumped 1-W erbium 3-µm fiber laser. IEEE Journal of Quantum Electronics, 33 (11). pp. 1982-1990. ISSN 0018-9197

Pollnau, Markus and Jackson, Stuart D. (2002) Energy recycling versus lifetime quenching in erbium-doped 3-µm fiber lasers. IEEE Journal of Quantum Electronics, 38 (2). pp. 162-169. ISSN 0018-9197

Pollnau, Markus and Jackson, Stuart D. (2002) Correction to: Erbium 3-µm fiber lasers. IEEE Journal of Selected Topics in Quantum Electronics, 8 (4). p. 956. ISSN 1077-260X

Pollnau, Markus and Jackson, Stuart D. (2001) Erbium 3-µm fiber lasers. IEEE Journal of Selected Topics in Quantum Electronics, 7 (1). pp. 30-40. ISSN 1077-260X

Pollnau, Markus and Romanyuk, Yaroslav E. (2007) Optical waveguides in laser crystals. Comptes Rendus. Physique, 8 (2). pp. 123-137. ISSN 1631-0705

Pollnau, Markus and Romanyuk, Yaroslav E. and Gardillou, Florent and Borca, Camelia N. and Griebner, Uwe and Rivier, Simon and Petrov, Valentin (2007) Double tungstate lasers: From bulk toward on-chip integrated waveguide devices. IEEE Journal of Selected Topics in Quantum Electronics, 13 (3). pp. 661-671. ISSN 1077-260X

Rivier, S. and Mateos, X. and Petrov, V. and Griebner, U. and Romanyuk, Y.E. and Borca, C.N. and Gardillou, F. and Pollnau, M. (2007) Tm:KY{(WO_4)}_2 waveguide laser. Optics Express, 15 (9). pp. 5885-5892. ISSN 1094-4087

Romanyuk, Y.E. and Ehrentraut, D. and Pollnau, M. and Garcia-Revilla, S. and Valiente, R. (2004) Low-temperature flux growth of sulfates, molybdates, and tungstates of Ca, Sr, and Ba and investigation of doping with $Mn^{6+}$. Applied physics A: Materials science & processing, 79 (3). pp. 613-618. ISSN 0947-8396

Romanyuk, Y.E. and Utke, I. and Ehrentraut, D. and Apostolopoulos, V. and Pollnau, M. and Garcia-Revilla, S. and Valiente, B. (2004) Low-temperature liquid-phase epitaxy and optical waveguiding of rare-earth-ion-doped $KY(WO_{4})_{2}$ thin layers. Journal of Crystal Growth, 269 (2-4). pp. 377-384. ISSN 0022-0248

Romanyuk, Yaroslav E. and Borca, Camelia N. and Pollnau, Markus and Rivier, Simon and Petrov, Valentin and Griebner, Uwe (2006) Yb-doped $KY(WO_{4})_{2}$ planar waveguide laser. Optics Letters, 31 (1). pp. 53-55. ISSN 0146-9592

Ross, Graeme W. and Pollnau, Markus and Smith, Peter G.R. and Clarkson, W. Andrew and Britton, Paul E. and Hanna, David C. (1998) Generation of high-power blue light in periodically poled LiNbO3. Optics Letters, 23 (3). pp. 171-173. ISSN 0146-9592

Sefünc, Mustafa Akin and Pollnau, Markus and García-Blanco, Sonia M. (2013) Low-loss sharp bends in polymer waveguides enabled by the introduction of a thin metal layer. Optics express, 21 (24). pp. 29808-29817. ISSN 1094-4087

Valiente, R. and Millot, M. and Rodriguez, F. and Gonzalez, J. and Broto, J-M. and George, S. and Garcia-Revilla, S. and Romanyuk, Y. and Pollnau, M. (2009) $Er^{3+}$ luminescence as a sensor of high pressure and strong external magnetic fields. High Pressure Research, 29 (4). pp. 748-753. ISSN 0895-7959

Vázquez-Córdova, Sergio A. and Dijkstra, Meindert and Bernhardi, Edward H. and Ay, Feridun and Wörhoff, Kerstin and Herek, Jennifer L. and Garcia-Blanco, Sonia M. and Pollnau, Markus (2014) Erbium-doped spiral amplifiers with 20 dB of net gain on silicon. Optics express, 22 (21). pp. 25993-26004. ISSN 1094-4087

Wittwer, S. and Pollnau, M. and Spring, R. and Lüthy, W. and Weber, H.P. and McFarlane, R.A. and Harder, Ch. and Meier, H.P. (1996) Performance of a diode-pumped BaY2F8:Er3+(7.5 at.%) laser at 2.8 µm. Optics Communications, 132 (1-2). pp. 107-110. ISSN 0030-4018

Wörhoff, Kerstin and Bradley, Jonathan D.B. and Ay, Feridun and Geskus, Dimitri and Blauwendraat, Tom P. and Pollnau, Markus (2009) Reliable low-cost fabrication of low-loss $Al_2O_3:Er^{3+}$ waveguides with 5.4-dB optical gain. IEEE Journal of Quantum Electronics, 45 (5). pp. 454-461. ISSN 0018-9197

Wörhoff, Kerstin and Ridder, René M. de and Hoekstra, Hugo J.W.M. and Pollnau, Markus (2011) Integrated light sources and optical sensors. Fotonica Magazine, 36 (1). pp. 9-17. ISSN 0925-5338

Yang, J. and Dalfsen, K. van and Wörhoff, K. and Ay, F. and Pollnau, M. (2010) High-gain Al2O3:Nd3+ channel waveguide amplifiers at 880 nm, 1060 nm and 1330 nm. Applied physics B: Lasers and optics, 101 (1-2). pp. 119-127. ISSN 0946-2171

Yang, J. and Diemeer, M.B.J. and Grivas, C. and Sengo, G. and Driessen, A. and Pollnau, M. (2010) Steady-state lasing in a solid polymer. Laser Physics Letters, 7 (9). pp. 650-656. ISSN 1612-202X

Yang, Jing and Diemeer, Mart B.J. and Geskus, Dimitri and Sengo, Gabriël and Pollnau, Markus and Driessen, Alfred (2009) Neodymium-complex-doped, photo-defined polymer channel waveguide ampliers. Optics Letters, 34 (4). pp. 473-475. ISSN 0146-9592

Yang, Jing and Diemeer, Mart B.J. and Sengo, Gabriël and Pollnau, Markus and Driessen, Alfred (2010) Nd-doped polymer waveguide amplifiers. IEEE Journal of Quantum Electronics, 46 (7). pp. 1043-1050. ISSN 0018-9197

Yang, Jing and Lamprecht, Tobias and Wörhoff, Kerstin and Driessen, Alfred and Horst, Folkert and Offrein, Bert J. and Ay, Feridun and Pollnau, Markus (2011) Integrated optical backplane amplifier. IEEE Journal of Selected Topics in Quantum Electronics . ISSN 1077-260X

Çivitci, F. and Sengo, G. and Driessen, A. and Pollnau, M. and Annema, A.J. and Hoekstra, H.J.W.M. (2013) Light turning mirrors for hybrid integration of SiON-based optical waveguides and photo-detectors. Optics express, 21 (20). pp. 24375-24384. ISSN 1094-4087

Book Section

Ay, Feridun and Uranga, Amaia and Bradley, Jonathan D.B. and Wörhoff, Kerstin and Ridder, René M. de and Pollnau, Markus (2008) Focused Ion Beam Nano-structuring of Bragg Gratings in Al2O3 Channel Waveguides. In: Proceedings of the First International Workshop on FIB for Photonics : Eindhoven, the Netherlands, 13-14 June 2008. University of Twente, Enschede, The Netherlands, pp. 48-51. ISBN 9789036526784

Ismail, N. and Sun, F. and Çivitci, F. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. and Driessen, A. (2010) Efficiency of integrated waveguide probes in the detection of fluorescence and backscattered light. In: Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications X. Proceedings of SPIE, 7559 . SPIE, the international Society for Optical Engineering, Bellingham, WA, USA, p. 755903. ISBN 9780819479556

Martínez Vázquez, R. and Osellame, R. and Crespi, A. and Dongre, C. and Hoekstra, H.J.W.M. and Pollnau, M. and Vlekkert, H. van den and Weeghel, R. van and Watts, P. and Ramponi, R. and Cerullo, G. (2009) Three-dimensional photonic devices fabricated by ultrafast lasers for optical sensing in lab-on-a-chip. In: Commercial and Biomedical Applications of Ultrafast Lasers IX. Proceedings of SPIE, 7203 . SPIE, Society of Photo-Optical Instrumentation Engineers, Bellinham, Washington, USA, p. 720313. ISBN 9780819474490

Osellame, R. and Martinez-Vazquez, R. and Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Ramponi, R. and Pollnau, M. and Cerullo, G. (2009) Femtosecond laser fabrication for the integration of optical sensors in microfluidic lab-on-chip devices. In: Ultrafast Phenomena XVI. Springer Series in Chemical Physics, 92 (12). Springer Verlag, Berlin, pp. 973-975. ISBN 9783540959465

Pollnau, M. (2007) Mid-Infrared lasers. In: Springer Handbook of Lasers and Optics. Springer Science and Business media LLC, New York, U.S.A., pp. 660-674. ISBN 9780387955797

Pollnau, M. (2005) Dynamics of solid state coherent light sources. In: Frontiers of Optical Spectroscopy. NATO Science Series, Series II: Mathematics, Physics and Chemistry, 168 . Kluwer Academic Publishers, Dordrecht, pp. 571-589. ISBN 9781402027505

Pollnau, M. (2008) Waveguide lasers in KY(WO_4)_2 and Ti:sapphire. In: 15th International School on Quantum Electronics: Laser Physics and Applications. Proceedings of SPIE, 7027 . SPIE, International Society for Optical Engineering, Paper 702704. ISBN 9780819472410

Pollnau, M. (2006) Waveguide fabrication methods in Dielectric solids. In: Advances in Spectroscopy for Lasers and Sensing. NATO Science Series, Series II: Mathematics, Physics and Chemistry, 231 . Springer Verlag in cooperation with NATO Public Diplomacy Division, Dordrecht, pp. 335-350. ISBN 9781402047886

Pollnau, M. (2007) Dielectric waveguide lasers: optical gain in $KY(WO_4)_2:Yb^{3+}$ and $\alpha -AL_2O_3:Ti^{3+}$. In: Frontier Developments in Optics and Spectroscopy. Bucher, Consulting, Logiciels, Progettare, Philadelphia, PA, USA, 20/1-20/10. ISBN 9781936036004

Pollnau, M. and Bradley, J.D.B. and Ay, F. and Bernhardi, E.H. and Ridder, R.M. de and Wörhoff, K. (2010) On-chip integrated lasers in Al2O3:Er on silicon. In: Optoelectronic Integrated Circuits XII. Proceedings of the SPIE, 7605 . SPIE, the international Society for Optical Engineering, Bellingham, WA, USA, 76050M. ISBN 9780819480019

Pollnau, M. and Jackson, S.D. (2008) Advances in mid-infrared fiber lasers. In: Mid-Infrared Coherent Sources and Applications. The NATO Science for Peace and Security Programme, Series B: Physics and Biophysics . Springer, Dordrecht, pp. 315-346. ISBN 9781402064395

Pollnau, M. and Ismail, N. and Akca, B.I. and Wörhoff, K. and Ridder, R.M. de (2012) Raman spectroscopy and optical coherence tomography on a micro-chip. In: Nano-Optics for Enhancing Light-Matter Interactions on a Molecular Scale: Plasmonics, Photonic Crystals, Metamaterials and Sub-Wavelength Resolution. NATO Science for Peace and Security Series - B: Physics and Biophysics . Springer Netherlands, Dordrecht, pp. 73-89. ISBN 9789400753129

Pollnau, Markus and Jackson, Stuart D. (2003) Mid-infrared fiber lasers. In: Solid-State Mid-Infrared Laser Sources. Topics in Applied Physics, 89 . Springer Verlag, Berlin, pp. 225-261. ISBN 9783540006213

Wörhoff, K. and Bradley, J.D.B. and Agazzi, L. and Pollnau, M. (2010) Rare-earth-ion-doped Al2O3 for integrated optical amplification. In: Integrated Optics: Devices, Materials, and Technologies XIV. Proceedings of the SPIE, 7604 . SPIE, the international Society for Optical Engineering, Bellingham, WA, USA, p. 760408. ISBN 9780819480002

Conference or Workshop Item

Agazzi, L. and Bernhardi, E.H. and Wörhoff, K. and Pollnau, M. (2012) Luminescence quenching in rare-earth-ion-doped $Al_2O_3$ lasers and its influence on relaxation oscillation frequency. In: Advanced Solid-State Photonics, Poster Session 2, ASSP 2012, 29 January - 3 February 2012, San Diego, California, USA (pp. AT4A.18).

Agazzi, L. and Bernhardi, E.H. and Wörhoff, K. and Pollnau, M. (2012) The impact of lifetime quenching on relaxation oscillations in solid-state lasers. In: Conference on Lasers and Electro-Optics: Science and Innovations, CLEO: S and I, 6-11 May 2012, San Jose, CA, USA (pp. Paper CTu1D.6).

Agazzi, L. and Bradley, J.D.B. and Ay, F. and Kahn, A. and Scheife, H. and Huber, G. and Ridder, R.M. de and Wörhoff, K. and Pollnau, M. (2009) Energy Migration Governs Upconversion Losses in Er3+-doped Integrated Amplifiers. In: Conference on Lasers and Electro-Optics Europe, 14-19 June 2009, Munich, Germany.

Agazzi, L. and Bradley, J.D.B. and Ay, F. and Kahn, A. and Scheife, H. and Petermann, K. and Huber, G. and Ridder, R.M. de and Wörhoff, K. and Pollnau, M. (2008) Upconversion spectroscopy of $Al_2O_3:Er^{3+}$. In: IEEE/LEOS Benelux Chapter, 13th Annual Symposium, 27-28 Nov. 2008, Enschede, The Netherlands (pp. pp. 51-53).

Agazzi, L. and Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2008) Spectroscopy and gain in $Al_2O_3:Er$ waveguides. In: International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, 7-11 July 2008, Lyon, France (pp. Paper TuA2-O2).

Agazzi, L. and Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2010) Al2O3:Er3+ waveguide amplifiers at 1.5 μm. In: 15th European Conference on Integrated Optics, ECIO 2010, 7-9 April 2010, Cambridge, United Kingdom (pp. ThE2).

Agazzi, L. and Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2010) Understanding Al2O3:Er3+ device performance. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2010, 18-19 November 2010, Delft, The Netherlands (pp. pp. 261-264).

Agazzi, L. and Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2011) Presence of fast quenching mechanisms in Al2O3:Er3+. In: 16th International Conference on Luminescence & Optical Sperctroscopy of Condensed Matter, 26 June - 1 July 2011, Ann Arbor, MI, USA (pp. p. 10).

Agazzi, L. and Bradley, J.D.B. and Roelkens, G. and Baets, R. and Ay, F. and Wörhoff, K. and Pollnau, M. (2010) Wafer-scale monolithic integration of Al2O3:Er amplifiers with Si waveguides. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. JWA92).

Agazzi, L. and Bradley, J.D.B. and Wörhoff, K. and Pollnau, M. (2011) Integrated Al2O3:Er3+ amplifiers: The impact of fast spectroscopic quenching processes. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia (pp. Paper 5420).

Agazzi, L. and Bradley, J.D.B. and Yang, Jing and Ay, F. and Wörhoff, K. and Pollnau, M. (2011) Er3+ and Nd3+ doped Al2O3 amplifiers on a silicon chip. In: International Laser Physics Workshop, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina (pp. Paper 4.2.5).

Agazzi, L. and Wörhoff, K. and Pollnau, M. (2011) Non-saturable absorption and its impact on amplifier performance in Al2O3:Er3+. In: Conference on Lasers and Electro-Optics, CLEO 2011, 1-6 May 2011, Baltimore, Maryland, USA (pp. JWA59).

Agazzi, L. and Wörhoff, K. and Pollnau, M. (2011) Excitation quenching in Er3-doped Al2O3 amplifiers. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CE3.4).

Agazzi, L. and Wörhoff, K. and Pollnau, M. (2012) Fast quenching processes and their impact on 1.5-µm amplifier performance in $Al_2O_3:Er^{3+}$ waveguides. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.

Agazzi, L. and Wörhoff, K. and Pollnau, M. (2012) Energy-transfer processes in $Al_2O_3:Er^{3+}$ waveguide amplifiers. In: Conference on Lasers and Electro-Optics: Science and Innovations, CLEO: S and I, 6-11 May 2012, San Jose, CA, USA (pp. Paper CF3A.3).

Agazzi, L. and Wörhoff, K. and Pollnau, M. and Kahn, A. and Fechner, M. and Petermann, K. and Huber, G. (2010) Upconversion spectroscopy of Al2O3:Er3+. In: IV International Workshop on Photonic and Electronic Materials, 5-7 July 2010, San Sebastian, Spain (pp. p. 49).

Agazzi, L. and Wörhoff, K. and Pollnau, M. (2012) Upconversion spectroscopy of erbium in amorphous aluminum oxide microstructures. In: MRS Fall Meeting, 25-30 November 2012, Boston, MA, USA (pp. 362-CC5.02).

Akca, I. and Ismail, N. and Sun, F. and Nguyen, V.D. and Kalkman, J. and Leeuwen, T.G. van and Driessen, A. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de (2010) Integrated arrayed waveguide grating spectrometer for on-chip optical coherence tomography. In: Conference on Lasers and Electro-Optics, CLEO 2010, 16-21 May 2010, San Jose, CA, USA (pp. JWA66).

Akca, B. Imran and Doerr, Christopher R. and Pollnau, Markus and Ridder, René M. de (2012) Broad spectral range synchronized flat-top arrayed waveguide grating. In: Conference on Lasers and Electro-Optics: Science and Innovations, CLEO: S and I, 6-11 May 2012, San Jose, CA, USA (pp. CTh1C.4).

Akca, B. Imran and Ismail, Nur and Sengo, Gabriel and Sun, Fei and Wörhoff, Kerstin and Pollnau, Markus and Ridder, René M. de (2010) High Resolution Silicon-Oxynitride Arrayed Waveguide Grating Spectrometers. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2010, 18-19 November 2010, Delft, The Netherlands (pp. pp. 125-128).

Akca, B.I. and Chang, L. and Sengo, G. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de and Nguyen, V. Duc and Kalkman, J. and Leeuwen, T.G. van (2012) Integrated AWG spectrometer for on-chip optical coherence tomography. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.

Akca, B.I. and Doerr, C.R. and Sengo, G. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de (2013) Broad-spectral-range synchronized flat-top arrayed-waveguide grating applied in a 225-channel cascaded spectrometer. In: Conference on Lasers and Electro-Optics, CLEO/Europe 2013, 12-16 May 2013, Munich, Germany (pp. Paper CK-10.2).

Akca, B.I. and Ismail, N. and Chang, L. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2012) Towards Raman spectroscopy on a microchip. In: Scientific Exchange, SCIX 2012, 29 September - 4 October 2012, Kansas City, KS, USA.

Akca, B.I. and Ismail, N. and Sun, F. and Driessen, A. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de (2011) High-resolution integrated spectrometers in silicon-oxynitride. In: Conference on Lasers and Electro-Optics, CLEO 2011, 1-6 May 2011, Baltimore, Maryland, USA (pp. JWA65).

Akca, B.I. and Ismail, N. and Sun, F. and Driessen, A. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de and Nguyen, V.D. and Kalkman, J. and Leeuwen, T.G. van (2010) Integrated AWG spectrometer for on-chip optical coherence tomography and Raman spectroscopy. In: 15th European Conference on Integrated Optics, ECIO 2010, 7-9 April 2010, Cambridge, United Kingdom (pp. WeB1).

Akca, B.I. and Nguyen, V.D. and Kalkman, J. and Leeuwen, T.G. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Integrated spectrometers for spectral-domain optical coherence tomography. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CL/EB5.4).

Akca, B.I. and Nguyen, V.D. and Kalkman, J. and Leeuwen, T.G. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Toward miniaturized optical coherence tomography. In: Conference on Lasers and Electro-Optics, CLEO 2011, 1-6 May 2011, Baltimore, Maryland, USA (pp. CWB3).

Akca, B.I. and Nguyen, V.D. and Kalkman, J. and Leeuwen, T.G. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Towards spectral-domain optical coherence tomography on a silicon chip. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia (pp. Paper 4430).

Akca, B.I. and Nguyen, V.D. and Kalkman, J. and Leeuwen, T.G. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Toward Miniaturized Optical Coherence Tomography. In: The Sense of Contact 13, April 7, 2011, Zeist, the Netherlands.

Akca, B.I. and Povazay, B. and Alex, A. and Wörhoff, K. and Ridder, R.M. de and Drexler, W. and Pollnau, M. (2013) Toward spectral-domain optical coherence tomography on a silicon chip. In: SPIE/OSA European Conferences on Biomedical Optics, ECBO 2013, 12-16 May 2013, Munich, Germany (pp. 32-Paper EM3B.1).

Akca, B.I. and Povazay, B. and Alex, A. and Wörhoff, K. and Ridder, R.M. de and Drexler, W. and Pollnau, M. (2013) Miniature spectrometer and beam splitter for an integrated optical coherence tomography system. In: Conference on Lasers and Electro-Optics, CLEO/Europe 2013, 12-16 May 2013, Munich, Germany (pp. Paper Cl-6.1).

Akca, B.I. and Povazay, B. and Chang, L. and Alex, A. and Wörhoff, K. and Ridder, R.M. de and Drexler, W. and Pollnau, M. (2013) Advanced integrated spectrometer designs for miniaturized optical coherence tomography systems. In: Optical Coherence Tomography and Coherence Techniques VI, 12-16 May 2013, Munich, Germany.

Akca, B.I. and Sengo, G. and Pollnau, M. and Driessen, A. and Wörhoff, K. and Ridder, R.M. de (2012) Flat-focal-field integrated spectrometer using a field- flattening lens. In: 17th Annual Symposium of the IEEE Photonics Benelux Chapter, 29-30 November 2012, Mons, Belgium (pp. pp. 29-32).

Akca, B.I. and Sengo, G. and Pollnau, M. and Driessen, A. and Wörhoff, K. and Ridder, R.M. de (2013) Flat-focal-field integrated spectrometer using a field-flattening lens. In: Conference on Lasers and Electro-Optics, CLEO/Europe 2013, 12-16 May 2013, Munich, Germany (pp. Paper CK-10.3).

Akca, B.I. and Wörhoff, K. and Nguyen, V.D. and Kalkman, J. and Leeuwen, T.G. van and Ridder, R.M. de and Pollnau, M. (2011) Towards spectral-domain optical coherence tomography on a silicon chip. In: International Laser Physics Workshop, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina (pp. Paper 3.1.3).

Akça, B.I. and Chang, Lantian and Sengo, G. and Worhoff, K. and Pollnau, M. and Ridder, R.M. de and Nguyen, V. Duc and Kalkman, J. and Leeuwen, T.G. van (2012) Integrated AWG spectrometer for on-chip optical coherence tomography. In: 16th European Conference on Integrated Optics, ECIO 2012, Sitges/Barcelona, Spain, 01-04-2012, Castelldefels/Barcelona (pp. Paper 46 - Paper 46).

Apostolopoulos, V. and Laversenne, L. and Colomb, T. and Depeursinge, C. and Salathé, R.P. and Pollnau, M. and Osellame, R. and Cerullo, G. and Laporta, P. (2004) Femtosecond irradiation induced refractive-index changes and channel waveguiding in bulk Ti3+:sapphire. In: EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources, 29 Aug - 3 Sep 2004, Lausanne, Switzerland (pp. ThB4).

Apostolopoulos, V. and Laversenne, L. and Colomb, T. and Depeursinge, C. and Salathé, R.P. and Pollnau, M. and Osellame, R. and Cerullo, G. and Laporta, P. (2004) Femtosecond irradiation induced refractive-index changes and channel waveguiding in bulk Ti3+:sapphire. In: Conference on Lasers and Electro-Optics, CLEO '04, May 16-21, 2004, San Francisco, CA, USA (pp. CMY4).

Aravazhi, S. and Geskus, D. and Wörhoff, K. and Pollnau, M. (2010) Gd3+, Lu3+ co-doped KY(WO4)2:Yb3+ planar waveguide lasers at 1025 and 980 nm. In: Symposium K: Rare earth doped materials for optical based technologies, 7-11 June 2010, Strasbourg (pp. pp. 52-53).

Aravazhi, S. and Geskus, D. and Dalfsen, K. van and Garcia Blanco, S.M. and Pollnau, M. (2012) Refractive-index engineering and diode-side-pumped lasing of a rare-earth-ion-doped channel waveguide. In: 17th Annual Symposium of the IEEE Photonics Benelux Chapter, 29-30 November 2012, Mons, Belgium (pp. pp. 215-218).

Aravazhi, S. and Geskus, D. and Dalfsen, K. van and Günther, D. and Pollnau, M. (2011) Growth and characterization of highly Yb3+doped KY(WO4)2 thin layers. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CE3.2).

Aravazhi, S. and Geskus, D. and Dalfsen, K. van and Vázquez-Córdova, S.A. and Grivas, C. and Griebner, U. and Garcia Blanco, S.M. and Pollnau, M. (2013) Engineering of refractive index and doping level of $KY_{1-x-y-z}Gd_xLu_yYb_z(WO_4)_2$ layers for a cladding-side-pumped channel waveguide laser. In: Conference on Lasers and Electro-Optics Europe, CLEO/EUROPE 2013, 12-16 May 2013, Munich, Germany (pp. Paper CE-6.1).

Aravazhi, S. and Geskus, D. and Gunther, D. and Wörhoff, K. and Pollnau, M. (2009) Growth, characterization, and waveguide lasing of Yb3+, Lu3+, Gd3+ co-doped KY(WO4)2 thin layers. In: International Commission for Optics (ICO) Topical Meeting on Emerging Trends and Novel Materials in Photonics, 7-9 Oct 2009, Delphi, Greece (pp. p. 142).

Aravazhi, S. and Geskus, D. and Günther, D. and Wörhoff, K. and Pollnau, M. (2009) Growth, characterization, and waveguide lasing of Yb3+, Lu3+, Gd3+ co-doped KY(WO4)2 thin layers. In: International Commission for Optics (ICO) Topical Meeting on Emerging Trends and Novel Materials in Photonics, 7-9 Oct 2009, Delphi, Greece.

Aravazhi, S. and Geskus, D. and Wörhoff, K. and Pollnau, M. (2008) Growth of $Yb^{3+}$, $Lu^{3+}$, $Gd^{3+}$ co-doped $KY(WO_4)_2$ thin layers. In: Proceedings of the 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27-28 November 2008, Enschede, The Netherlands (pp. pp. 219-220).

Aravazhi, S. and Geskus, D. and Wörhoff, K. and Pollnau, M. (2009) Improved-index-contrast KY(WO4)2:Gd, Lu, Yb epitaxial waveguides suitable for highly efficient waveguide lasing. In: 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 5-6 November 2009, Brussels, Belgium (pp. pp. 133-136).

Aravazhi, S. and Geskus, D. and Dalfsen, K. van and Vázquez-Córdova, S.A. and Grivas, C. and Griebner, U. and Garcia Blanco, S.M. and Pollnau, M. (2013) Engineering of refractive index and doping level of KY1-x-y-zGdxLuyYbz(WO4)2 layers for a cladding-side-pumped channel waveguide laser. In: Conference on Lasers and Electro-Optics Europe, CLEO/EUROPE 2013, Munich, Germany, 01-05-2013, Mulhouse (pp. Paper CE-6.1 - Paper CE-6.1).

Ay, Feridun and Yang, Jing and Lamprecht, Tobias and Wörhoff, Kerstin and Garcia Blanco, Sonia M. and Driessen, Alfred and Horst, Folkert and Offrein, Bert J. and Pollnau, Markus (2011) Nd-doped waveguide amplifiers for heterogeneous integration in optical backplanes. In: Optoelectronic Integrated Circuits XIII, 22-27 Jan 2011, San Francisco, California, USA (pp. Q1-Q8).

Ay, F. and Bernhardi, E.H. and Agazzi, L. and Bradley, J.D.B. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de (2010) Characterization of Bragg gratings in Al2O3 waveguides fabricated by focused ion beam milling and laser interference lithography. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. CMQ4).

Ay, F. and Bradley, J.D.B. and Ridder, R.M. de and Wörhoff, K. and Pollnau, M. (2008) Bragg gratings in $Al_2O_3$ Channel waveguides by focused ion beam milling. In: 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27-28 November 2008, Enschede, The Netherlands (pp. pp. 215-217).

Ay, F. and Bradley, J.D.B. and Wörhoff, K. and Pollnau, M. (2007) Towards rare-earth-ion-doped $Al_2O_3$ active integrated optical devices. In: Abstract Collection Booklet of the 6th International Symposium on Modern Optics and Its Applications (ISMOA 2007), 6-10 August 2007, Bandung, Indonesia (pp. pp. 63-66).

Ay, F. and Bradley, J.D.B. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2009) Optical performance investigation of focused ion beam nanostructured integrated Fabry-Perot microcavities in Al$_2$O$_3$. In: European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference, CLEO Europe - EQEC 2009, 14-19 June 2009, Munich, Germany (pp. CK.P.1 MON).

Ay, F. and Geskus, D. and Iñurrategui, I. and Aravazhi, S. and Pollnau, M. (2011) Focused-ion-beam nanostructured photonic cavities for integrated lasers in crystalline double tungstate channel waveguides. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CK8.3).

Ay, F. and Kauppinen, L.J. and Bradley, J.D.B. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2009) Focused ion beam milled on-chip resonator nanostructures for applications in rare-earth-ion-doped Al2O3 active waveguides. In: LEOS Annual Meeting Conference, LEOS '09, 4-8 Oct. 2009, Belek-Antalya, Turkey (pp. pp. 379-380).

Ay, F. and Pollnau, M. (2013) Focused-ion-beam nano-structuring of photonic cavities in dielectric materials. In: Energy Materials Nanotechnology East Meeting, 7-10 Septemer 2013, Beijing, China (pp. pp. 38-39).

Ay, F. and Wörhoff, K. and Bradley, J.D.B. and Pollnau, M. (2006) Reliable fabrication of low-loss $Al_{2}O_{3}$ waveguides for active integrated optics. In: 2nd EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources - Europhysics Conference Abstracts, 10-15 September 2006, Pisa, Italy (pp. TuC2).

Ay, Feridun and Bradley, Jonathan D.B. and Hopman, Wico C.L. and Gadgil, Vishwas J. and Ridder, René M. de and Wörhoff, Kerstin and Pollnau, Markus (2007) Focused ion beam nano-structuring of $Al_2O_3$ dielectric layers for photonic applications. In: 33rd International Conference on Micro- and Nano-Engineering 2007, 23-26 September 2007, Copenhagen, Denmark (pp. pp. 627-628).

Ay, Feridun and Gadgil, Vishwas J. and Geskus, Dimitri and Aravazhi, Shanmugam and Wörhoff, Kerstin and Pollnau, Markus (2011) Application of focused ion beam technology for photonic nanostructures. In: 2011 NSTI Nanotechnology Conference & Expo - Nanotech 2011, 13-16 June 2011, Boston, Massachusetts (pp. pp. 200-203).

Ay, Feridun and Geskus, Dimitri and Aravazhi, Shanmugam and Pollnau, Markus (2012) Realization of on-chip lasers in crystalline double tungstate waveguides using focused-ion-beam nanostructuring. In: 8th Nanoscience and Nanotechnology Congress, Nano-TR VIII 2012, 25-29 June 2012, Ankara, Turkey (pp. Paper OP-113).

Ay, Feridun and Geskus, Dimitri and Inurrategui, Ion and Aravazhi, Shanmugam and Gadgil, Vishwas J. and Wörhoff, Kerstin and Pollnau, Markus (2010) Focused Ion Beam Nanostructured Gratings in Crystalline KYW:$Yb^{3+}$ Channel Waveguides. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2010, 18-19 November 2010, Delft, The Netherlands (pp. pp. 265-268).

Ay, Feridun and Ridder, R.M. de and Pollnau, M. (2010) Focused Ion Beam Nano-structuring for Applications in Photonics. In: International Workshop in Cleanroom Training, UNAM 2010, 21 June - 4 July 2010, Ankara, Turkey (pp. p. 384).

Ay, Feridun and Uranga, Amaia and Bradley, Jonathan D.B. and Wörhoff, Kerstin and Ridder, René M. de and Pollnau, Markus (2008) Focused ion beam nano-structuring of Bragg gratings in $Al_2O_3$ channel waveguides. In: First International Workshop on FIB for Photonics, 13-14 June 2008, Eindhoven, the Netherlands (pp. pp. 48-50).

Ay, Feridun and Yang, Jing and Lamprecht, Tobias and Wörhoff, Kerstin and Offrein, Bert Jan and Pollnau, Markus (2010) Optical Waveguide Amplifiers for Heterogeneous Integration in Optical Backplanes. In: IEEE Photonics Society Annual Meeting, 7-11 Nov 2010, Denver, CO (pp. pp. 110-111).

Aznar, A. and Ehrentraut, D. and Romanyuk, Y.E. and Solé, R. and Aguiló, M. and Gerner, P. and Güdel, H.U. and Pollnau, M. (2003) Liquid phase epitaxy and spectroscopic investigation of optically active KYb(WO4)2 thin layers. In: 5th International Conference on f-Elements, 24-29 August 2003, Geneva, Switzerland (pp. p. 111).

Bernhardi, E.H. and Wörhoff, K. and Bradley, J.D.B. and Ridder, R.M. de and Pollnau, M. (2010) Integrated Al2O3:Er3+ microring and distributed feedback lasers on silicon. In: Symposium K: Rare earth doped materials for optical based technologies, 7-11 June 2010, Strasbourg (pp. pp. 5-6).

Bernhardi, E.H. and Agazzi, L. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2010) Narrow-Linewidth Distributed Feedback Channel Waveguide Laser in Al$_2$O$_3$:Er$^{3+}$. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2010, 18-19 November 2010, Delft, The Netherlands (pp. pp. 85-88).

Bernhardi, E.H. and Agazzi, L. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2014) Spectroscopy and ultra-narrow-linewidth lasers in rare-earth-doped amorphous $Al_2O_3$ waveguides on a silicon chip. In: International Conference on Luminescence, ICL 2014, 13-18 July 2014, Wrocław, Poland (pp. Paper O-25).

Bernhardi, E.H. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2012) Optical Generation of Microwave Signals with a Dual-Phase-Shifted Al2O3:Yb3+ Distributed-Feedback Laser. In: Conference on Lasers and Electro-Optics: Science and Innovations, CLEO: S and I, 6-11 May 2012, San Jose, CA, USA (pp. JW2A.36).

Bernhardi, E.H. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2012) Photonic Generation of Microwave Signals Using Dual-Wavelength Distributed-Feedback Waveguide Lasers. In: 17th Annual Symposium of the IEEE Photonics Benelux Chapter, 29-30 November 2012, Mons, Belgium (pp. pp. 101-104).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Agazzi, L. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de (2010) Low-threshold, single-frequency distributed-feedback waveguide laser in Al2O3:Er3+ on silicon. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. CTuU4).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Agazzi, L. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de (2010) Single-Frequency, Narrow-Linewidth Distributed Feedback Waveguide Laser in Al2O3:Er3+ on Silicon. In: 15th European Conference on Integrated Optics, ECIO 2010, 7-9 April 2010, Cambridge, United Kingdom (pp. ThE1).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Dijkstra, M. and Agazzi, L. and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de (2009) Designing an Integrated Al2O3:Er3+ Distributed Feedback Laser. In: 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 5-6 November 2009, Brussels, Belgium (pp. pp. 197-200).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Pollnau, M. and Ridder, R.M. de (2010) 1.7-kHz-linewidth distributed feedback laser in Al2O3:Er3+. In: Europhoton Conference, 30 Aug - 3 Sep 2010, Hamburg, Germany.

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) High-Q Monolithic Distributed Bragg Reflector Cavities in Al2O3 Channel Waveguides. In: Conference on Lasers and Electro-Optics, CLEO 2011, 1-6 May 2011, Baltimore, Maryland, USA (pp. CME4).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Distributed feedback channel waveguide lasers in erbium- and ytterbium-doped Al2O3:Er3 on silicon. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CJ10.4).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Distributed Bragg reflector high-Q cavities and lasers in Al2O3 on silicon. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CE5.2).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Ultra-narrow-linewidth distributed feedback lasers in Al2O3:Er3+ and Al2O3:Yb3+. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia (pp. Paper 5420).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Monolithic Distributed Bragg Reflector Cavities in Al2O3 with Quality Factors Exceeding One Million. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia (pp. Paper 4240-CT).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Efficient and ultra-narrow-linewidth integrated waveguide lasers in Al2O3:Yb and Al2O3:Er. In: International Laser Physics Workshop, LPHYS 2011, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina (pp. Paper 4.5.3).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) High-Q distributed-Bragg-grating laser cavities. In: 16th International Conference on Luminescence & Optical Sperctroscopy of Condensed Matter, 26 June - 1 July 2011, Ann Arbor, MI, USA (pp. p. 12).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) High-Quality Monolithic Distributed Bragg Reflector Cavities and Lasers in Alumina Channel Waveguides. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2011, 1-2 December 2011, Ghent, Belgium (pp. pp. 41-44).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2012) Stable microwave generation in a dual-phase-shifted $Al_2O_3:Yb^{3+}$ distributed-feedback waveguide laser. In: Advanced Solid-State Photonics, ASSP 2012 - Semiconductor and Waveguide Lasers, 29 January - 3 February 2012, San Diego, CA, USA (pp. AM5A.6).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2012) Waveguide Bragg gratings for the realization of high-quality monolithic cavities. In: Conference on Bragg Gratings, Photosensitivity and Poling in Glass Waveguides, BGPP, June 17-21, 2012, Colorado Springs, CO, USA (pp. BM3D.1).

Bernhardi, E.H. and Wolferen, H.A.G.M. van and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. and Khan, M.R.H. and Roeloffzen, C.G.H. (2012) Dual-wavelength $Al_2O_3:Yb^{3+}$ distributed feedback waveguide laser for microwave signal generation. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.

Bernhardi, E.H. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2011) Highly efficient distributed feedback waveguide laser in Al2O3:Yb3+ on silicon. In: Advanced Solid-State Photonics, ASSP 2011, 13-16 Feb 2011, Istanbul, Turkey (pp. ATuD7(1)-ATuD7(3)).

Bernhardi, E.H. and Werf, K.O. van der and Hollink, A.J.F. and Worhoff, K. and Ridder, R.M. de and Subramaniam, V. and Pollnau, M. (2012) Evanescent-field intra-cavity sensing with a dual-wavelength distributed-feedback laser. In: Conference on Lasers and Electro-Optics, San Jose, California, USA, 01-05-2012, Washington, DC (pp. Paper CM3B.5 - Paper CM3B.5).

Bernhardi, E.H. and Ridder, R.M. de and Wörhoff, K. and Pollnau, M. (2013) Rare-earth-ion-doped ultra-narrow-linewidth lasers on a silicon chip and applications to intra-laser-cavity optical sensing. In: Solid State Lasers XXII of SPIE Photonics West, 2-7 February 2013, San Francisco, CA, USA (pp. p. 859909).

Bernhardi, E.H. and Werf, K.O. van der and Hollink, A.J.F. and Wörhoff, K. and Ridder, R.M. de and Subramaniam, V. and Pollnau, M. (2013) On-chip microparticle detection and sizing using a dual-wavelength waveguide laser. In: Conference on Lasers and Electro-Optics, CLEO/Europe 2013, 12-16 May 2013, Munich, Germany (pp. Paper CL-P.9).

Bernhardi, Edward H. and Werf, Kees O. van der and Hollink, Anton J.F. and Wörhoff, Kerstin and Subramaniam, Vinod and Pollnau, Markus (2014) Intra-laser-cavity sensing with a dual-wavelength distributed-feedback laser. In: 17th European Conference on Integrated Optics, ECIO 2014, 24-27 June 2014, Nice, France.

Bernhardi, Edward H. and Wolferen, Henk A. van and Wörhoff, Kerstin and Pollnau, Markus and Ridder, René M. de (2010) High-Quality, Distributed Phase-Shift, Distributed Feedback Cavities in Al2O3 Waveguides. In: Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, 21-24 June 2010, Karlsruhe, Germany (pp. BMB5).

Bhutta, T. and Salathé, R.P. and Shepherd, D.P. and Eason, R.W. and Pollnau, M. (2001) Ti:sapphire planar waveguide coherent broadband emitter. In: Conference on Lasers and Electro-Optics, CLEO, 6-11 May 2001, Baltimore, MD (pp. pp. 581-582).

Borca, C.N. and Gardillou, F. and Romanyuk, Y.E. and Hibert, C. and Pollnau, M. and Salathé, R.P. (2006) Optical rib waveguides in Yb-doped $KY(WO_4)_2)$ epilayers. In: Book of Abstracts 15th International Laser Physics Workshop (LPHYS'06), 24-28 July 2006, Lausanne, Switzerland (pp. p. 206).

Borca, C.N. and Romanyuk, Y.E. and Gardillou, F. and Pollnau, M. and Bernal, M.P. and Moretti, P. (2006) Optical channel waveguides in $KY(WO_4)_2:Yb^{3+}$. In: Technical Digest Conference on Lasers and Electro-Optics, CLEO 2006, 21-26 May 2006, Long Beach, California (pp. CMFF3).

Borca, C.N. and Zah, F. and Schnider, C. and Salathe, R.P. and Pollnau, M. and Moretti, P. (2005) Optical planar waveguides in $KY(WO_4)_2$ formed by ion-beam implantation. In: Book of Abstracts of the 14th annual International Laser Physics Workshop (LPHYS'05), 4-8 July 2005, Kyoto, Japan (pp. p. 246).

Borca, C.N. and Zäh, F. and Schnider, C. and Salathé, R.P. and Pollnau, M. and Moretti, P. (2005) Fabrication of optical planar waveguides in $KY(WO_4)_2$ by He-ion implantation. In: Conference Digest of the conference on Lasers and Electro-Optics Europe, 12-17 June 2005, Munich, Germany (pp. p. 296).

Borca, C.N. and Zäh, F. and Schnider, F. and Salathé, R.P. and Pollnau, M. and Moretti, P. (2005) Fabrication of optical planar and channel waveguides in $Yb^{3+}$ doped $KY(WO_4)_2$ by He-ion implantation. In: Scientific program of the European Materials Research Society Meeting, 31 May - 3 June 2005, Strasbourg, France (pp. Paper C-VI.01).

Bourquin, S and Laversenne, L. and Rivier, S and Lasser, T. and Salathé, R.P. and Pollnau, M. and Grivas, C. and Shepherd, D.P. and Eason, R.W. (2005) Parallel broadband fluorescent light source for optical coherence tomography. In: Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine IX,, 22-28 January 2005, San Jose, California, U.S.A. (pp. pp. 209-213).

Bradley, J.D.B. and Costa e Silva, M. and Gay, M. and Bramerie, L. and Driessen, A. and Wörhoff, K. and Simon, J.C. and Pollnau, M. (2010) 170 Gbit/s transmission in Al2O3:Er integrated amplifiers. In: Conference on Lasers and Electro-Optics, CLEO 2010, 16-21 May 2010, San Jose, CA, USA (pp. ATuB5).

Bradley, J.D.B. and Agazzi, L. and Ay, F. and Wörhoff, K. and Pollnau, M. and Stoffer, R. (2010) Widely wavelength-selective Al2O3:Er3+ ring laser. In: 15th European Conference on Integrated Optics, ECIO 2010, 7-9 April 2010, Cambridge, United Kingdom (pp. ThE3).

Bradley, J.D.B. and Agazzi, L. and Geskus, D. and Ay, F. and Wörhoff, K. and Pollnau, M. (2008) Reactively co-sputtered $Al_2O_3:Er^{3+}$ for active photonic devices. In: 2008 Annual Workshop of the IEEE LEOS Benelux Chapter "Materials, Devices and Systems in Optics and Photonics, 30-5-2008, Brussels, Belgium (pp. pp. 9-10).

Bradley, J.D.B. and Agazzi, L. and Geskus, D. and Ay, F. and Wörhoff, K. and Pollnau, M. (2009) 2.0 dB/cm gain in an Al$_2$O$_3$:Er$^{3+}$ waveguide on silicon. In: Conference on Lasers and Electro-Optics, 2-4 June 2009, Baltimore, Maryland, USA (pp. CThCC2).

Bradley, J.D.B. and Agazzi, L. and Geskus, D. and Ay, F. and Wörhoff, K. and Pollnau, M. (2009) Higher gain in 977-nm-pumped Al$_2$O$_3$:Er$^{3+}$ integrated optical amplifiers. In: European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference, CLEO Europe - EQEC 2009, 14-19 June 2009, Munich, Germany (pp. CE1.4 MON).

Bradley, J.D.B. and Agazzi, L. and Geskus, D. and Ay, F. and Wörhoff, K. and Pollnau, M. and Arnoldbik, W.M. (2008) Enhanced gain in Er-doped $Al_2O_3$ channel waveguide amplifiers. In: 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27-28 November 2008, Enschede, The Netherlands (pp. pp. 131-134).

Bradley, J.D.B. and Agazzi, L. and Geskus, D. and Blauwendraat, T. and Ay, F. and Wörhoff, K. and Pollnau, M. (2008) Investigation of optical gain in $Al_2O_3:Er$ channel waveguide amplifiers. In: Technical Digest Conference on Lasers and Electro-Optics, CLEO 2008, 4-9 May 2008, San Jose, California, U.S.A. (pp. Paper JTuA30).

Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2007) Low-loss rib waveguides in $Al_{2}O_{3}$ layers for active integrated optical devices. In: Digest of the Conference on Lasers and Electro-Optics Europe (CLEO/Europe-IQEC 2007), 17-22 June 2007, Munich, Germany (pp. CE7-6).

Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2007) Reactive ion etching of low-loss channel waveguides in $Al_2O_3$ and $Y_2O_3$ layers. In: Book of Abstracts 33rd International Conference on Micro- and Nano-Engineering 2007, 23-26 September 2007, Copenhagen, Denmark (pp. pp. 375-376).

Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2006) Reactive Ion Etching of $Y_{2}O_{3}$ films applying F-, Cl- and Cl/Br-based Inductively Coupled Plasmas. In: Science and Technology of Dielectrics for Active and Passive Photonic Devices, 29 Oct - 3 Nov 2006, Cancun, Mexico (pp. pp. 117-124).

Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2006) $AL_{2}O_{3}$ and $Y_{2}O_{3}$ Thin Films for Active Integrated Optical Waveguide Devices. In: IEEE/LEOS Benelux Chapter 2006 Annual Symposium, November 30 - December 1, 2006, Eindhoven, The Netherlands (pp. pp. 113-116).

Bradley, J.D.B. and Gay, M. and Simon, J.C. and Wörhoff, K. and Pollnau, M. (2009) 40 Gbit/s transmission in a silicon-compatible Al2O3:Er3+ integrated optical amplifier. In: European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference, CLEO Europe - EQEC 2009, 14-19 June 2009, Munich, Germany (pp. CI4.3 TUE).

Bradley, J.D.B. and Geskus, D. and Blaauwendraat, T. and Ay, F. and Wörhoff, K. and Pollnau, M. (2007) Optimized deposition and structuring of reactively co-sputtered $AL_2O_3:Er$ waveguide layers with net optical gain. In: 12th Annual Symposium IEEE/LEOS Benelux, 17-18 December 2007, Brussels, Belgium (pp. pp. 107-110).

Bradley, J.D.B. and Geskus, D. and Blauwendraat, T. and Ay, F. and Wörhoff, K. and Pollnau, M. and Kahn, A. and Scheife, H. and Petermann, K. and Huber, G. (2008) Growth, micro-structuring, spectroscopy, and optical gain in as-deposited $Al_2O_3:Er$ waveguides. In: Conference Program and Technical Digest, Advanced Solid-State Photonics: Topical Meeting and Tabletop Exhibit, 27-30 January 2008, Nara, Japan (pp. Paper WB10).

Bradley, J.D.B. and Stoffer, R. and Agazzi, L. and Ay, F. and Wörhoff, K. and Pollnau, M. (2009) Al2O3:Er3+ as a broad gain medium for 1.53-um integrated optical applications. In: 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 5-6 November 2009, Brussels, Belgium (pp. pp. 13-16).

Bradley, J.D.B. and Stoffer, R. and Agazzi, L. and Ay, F. and Wörhoff, K. and Pollnau, M. (2010) Widely wavelength-selective integrated ring laser in Al2O3:Er. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. CMQ2).

Bradley, Jonathan D.B. and Agazzi, Laura and Ay, Feridun and Wörhoff, Kerstin and Pollnau, Markus (2009) High-performance Al$_2$O$_3$:Er$^{3+}$ integrated optical amplifiers. In: 18th International Laser Physics Workshop, 13-17 July 2009, Barcelona, Spain (pp. 8.3.5).

Bradley, Jonathan D.B. and Ay, Feridun and Blauwendraat, Tom and Wörhoff, Kerstin and Pollnau, Markus (2007) Rare-earth-ion-doped $AL_2O_3$ waveguides for active integrated optical devices. In: International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems, 28 May - 1 June 2007, Minsk, Belarus.

Chang, L. and Akca, B.I. and Sengo, G. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2012) Polarization-independent optical low-coherence reflectometry with a non-birefringent arrayed-waveguide grating. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.

Chang, L. and Akca, B.I. and Sengo, G. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. (2012) High-performance spectral-domain optical low-coherence reflectometry with an integrated arrayed-waveguide grating. In: Conference on Lasers and Electro-Optics: Science and Innovations, CLEO: S and I, 6-11 May 2012, San Jose, CA, USA (pp. JTh2A.34).

Chang, L. and Ismail, N. and Ridder, R.M. de and Pollnau, M. and Wörhoff, K. (2012) On-chip reflowed polymer microlenses for collimating light from single-mode optical waveguides. In: 17th Annual Symposium of the IEEE Photonics Benelux Chapter, 29-30 November 2012, Mons, Belgium (pp. pp. 243-246).

Chang, L. and Ismail, N. and Ridder, R.M. de and Pollnau, M. and Wörhoff, K. (2013) Integrated polymer microlenses for two-dimensional collimation of light from single-mode optical waveguides. In: Conference on Lasers and Electro-Optics, CLEO/Europe 2013, 12-16 May 2013, Munich, Germany (pp. Paper CK-10.6).

Chang, Lantian and Akça, B.I. and Ridder, R.M. de and Wörhoff, K. and Pollnau, M. (2011) Performance Improvement and Birefringence Investigation of Spectral Domain Optical Coherence Tomography Using a Modified Arrayed Waveguide Grating. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2011, 1-2 December 2011, Ghent, Belgium (pp. pp. 241-244).

Crespi, A. and Gu, Y. and Ngamson, B. and Dongre, C. and Hoekstra, H.J.W.M. and Vlekkert, H.H. van den and Watts, P. and Pollnau, M. and Cerullo, G. and Osellame, R. (2010) Label-free detection in a lab-on-a-chip with a three-dimensional Mach-Zehnder interferometer. In: Conference on Lasers and Electro-Optics, CLEO 2010, 16-21 May 2010, San Jose, CA (pp. CMH1).

Crunteanu, A. and Hoffmann, P. and Pollnau, M. and Buchal, C. (2002) Structuring of sapphire by laser-assisted methods, ion-beam implantation, and chemical wet etching. In: European Materials Research Society Meeting, 18-21 June 2002, Strasbourg, France (pp. Paper D-II.21).

Crunteanu, A. and Jänchen, G. and Salathé, R.P. and Hoffmann, P. and Pollnau, M. and Eason, R.W. and Shepherd, D.P. (2002) Ti:sapphire rib channel waveguide fabricated by reactive ion etching of a planar waveguide. In: Conference on Lasers and Electro-Optics, CLEO '02, May 16-24, 2002, Long Beach, CA (pp. p. 265).

Crunteanu, A. and Pollnau, M. and Jänchen, G. and Hibert, C. and Hoffmann, P. and Salathé, R.P. and Eason, R.W. and Shepherd, D.P. (2003) Laser-assisted microstructuring for Ti:sapphire channel-waveguide fabrication. In: International Conference on Advanced Laser Technologies, ALT'02, 15-20 September 2002, Adelboden, Switzerland (pp. pp. 363-369).

Dalfsen, K. van and Aravazhi, S. and García-Blanco, S.M. and Pollnau, M. and Grivas, C. (2012) Thulium channel waveguide laser with 70% slope efficiency in a monoclinic double tungstate. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.

Dalfsen, K. van and Aravazhi, S. and Geskus, D. and Garcia Blanco, S.M. and Wörhoff, K. and Pollnau, M. (2011) Efficient channel waveguide lasers based on thulium-doped double tungstates. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2011, 1-2 December 2011, Ghent, Belgium (pp. pp. 25-28).

Dalfsen, K. van and Aravazhi, S. and Geskus, D. and Wörhoff, K. and Pollnau, M. (2010) Lattice matching and microstructuring of Gd3+, Lu3+ co-doped KY(WO4)2:Tm3+ channel waveguide lasers. In: European Workshop on Double Tungstate Lasers, 3 September 2010, Hamburg, Germany (pp. p. 9).

Dalfsen, K. van and Aravazhi, S. and Geskus, D. and Wörhoff, K. and Pollnau, M. (2011) Efficient Gd$^{3+}$, Lu$^{3+}$ co-doped KY(WO$_{4}$)$_{2}$:Tm$^{3+}$ channel waveguide lasers. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CA1.5).

Dalfsen, K. van and Aravazhi, S. and Geskus, D. and Wörhoff, K. and Pollnau, M. (2011) Efficient Tm$^{3+}$ lasers in double tungstate channel waveguides. In: 16th International Conference on Luminescence & Optical Sperctroscopy of Condensed Matter, 26 June - 1 July 2011, Ann Arbor, MI, USA (pp. p. 65).

Dalfsen, K. van and Aravazhi, S. and Grivas, C. and Garcia Blanco, S.M. and Pollnau, M. (2013) Thulium-doped channel waveguide laser with 1.6 W of output power and exceeding 80% slope efficiency. In: Conference on Lasers and Electro-Optics, CLEO/Europe 2013, 12-16 May 2013, Munich, Germany (pp. Paper PD-A.4).

Dalfsen, K. van and Aravazhi, S. and Grivas, C. and Garcia-Blanco, S.M. and Pollnau, M. (2012) Thulium channel waveguide laser with 69.7% efficiency. In: Advanced Solid-State Photonics, ASSP 2012 - Semiconductor and Waveguide Lasers, 29 January - 3 February 2012, San Diego, CA, USA (pp. AM5A.3).

Dalfsen, K. van and Aravazhi, S. and Grivas, C. and García-Blanco, S.M. and Pollnau, M. (2013) Thulium-doped channel waveguide laser with 1.6 W of output power and exceeding 80% slope efficiency. In: Advanced Solid-State Lasers Congress, ASSL 2013, 27 October - 01 November, Paris, France (pp. Paper ATu1A.8).

Dalfsen, K. van and Aravazhi, S. and Grivas, C. and García-Blanco, S.M. and Pollnau, M. (2014) 1.84-µm thulium-doped channel waveguide laser approaching the theoretical limit of 86% slope efficiency. In: International Conference on Luminescence, ICL 2014, 13-18 July 2014, Wrocław, Poland (pp. Paper O-28).

Dalfsen, K. van and Aravazhi, S. and Grivas, C. and García-Blanco, S.M. and Pollnau, M. (2013) Highly efficient channel waveguide lasers at 2 µm. In: 15th International Conference on Transparent Optical Networks, ICTON 2013, 23-27 June 2013, Cartagena, Spain (pp. Tu.D2.4).

Dalfsen, K. van and Aravazhi, S. and Grivas, C. and García-Blanco, S.M. and Pollnau, Markus (2012) Highly Efficient KY1-x-yGdxLuy(WO4)2:Tm3+ Channel Waveguide Lasers. In: Conference on Lasers and Electro-Optics: Science and Innovations, CLEO: S and I, 6-11 May 2012, San Jose, CA, USA (pp. CTu2D.5).

Dalfsen, K. van and Geskus, D. and Ay, F. and Wörhoff, K. and Aravazhi, S. and Pollnau, M. (2011) High-power Yb- and Tm-doped double tungstate channel waveguide lasers. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia (pp. Paper 5420).

Dalfsen, K. van and Geskus, D. and Ay, F. and Wörhoff, K. and Aravazhi, S. and Pollnau, M. (2011) High-power Yb- and Tm-doped double tungstate channel waveguide lasers. In: International Laser Physics Workshop, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina (pp. Paper 4.4.4).

Dalfsen, K. van and Wolferen, H.A.G.M. van and Dijkstra, M. and Aravazhi, S. and Bernhardi, E.H. and Garcia Blanco, S.M. and Pollnau, M. (2012) Towards integrated channel waveguide lasers in monoclinic double tungstates. In: Europhoton Conference, 26-31 August 2012, Stockholm, Sweden (pp. ThP.30).

Dalfsen, K. van and Wolferen, H.A.G.M. van and Dijkstra, M. and Aravazhi, S. and Bernhardi, E.H. and Garcia Blanco, S.M. and Pollnau, M. (2012) Efficient channel waveguide lasers in monoclinic double tungstates: towards further integration with on-chip mirrors. In: 17th Annual Symposium of the IEEE Photonics Benelux Chapter, 29-30 November 2012, Mons, Belgium (pp. pp. 97-100).

Dalfsen, K. van and Yang, J. and Ay, F. and Wörhoff, K. and Pollnau, M. (2009) Neodymium-doped Al2O3 Channel Waveguide Amplifiers. In: 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 5-6 November 2009, Brussels, Belgium (pp. pp. 149-152).

Dalfsen, K. van and Yang, J. and Ay, F. and Wörhoff, K. and Pollnau, M. (2010) Nd-doped aluminum oxide integrated amplifiers at 880 nm, 1060 nm, and 1330 nm. In: 15th European Conference on Integrated Optics, ECIO 2010, 7-9 April 2010, Cambridge, United Kingdom (pp. ThP34).

Dalfsen, Koop van and Aravazhi, Shanmugam and Grivas, Christos and Garcia Blanco, Sonia M. and Pollnau, Markus (2014) 1.6-W, highly efficient laser at 2 µm in a potassium double tungstate channel waveguide. In: 17th European Conference on Integrated Optics, 24-27 June 2014, Nice, France (pp. Paper Tu3aR1).

Dalfsen, Koop van and Geskus, Dimitri and Garcia Blanco, Sonia M. and Pollnau, Markus (2013) Highly efficient channel waveguide lasers at 1 µm and 2 µm in refractive-index-engineered potassium double tungstates. In: LASE, SPIE Photonics West, 2-7 February 2013, San Francisco, CA, USA (pp. p. 153).

Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Nolli, D. and Martinez-Vazquez, R. and Osellame, R. and Cerullo, G. and Besselink, G.A.J. and Pollnau, M. (2008) Fluorescence sensing with femtosecond laser written waveguides in a capillary electrophoresis chip for monitoring molecular separation. In: 14th European Conference on Integrated Optics, ECIO 2008, 11-13 June 2008, Eindhoven, The Netherlands (pp. pp. 107-110).

Dongre, C. and Weerd, J. van and Besselink, G.A.J. and Martinez Vazquez, R. and Osellame, R. and Cerullo, G. and Weeghel, R. van and Vlekkert, H.H. van den and Hoekstra, H.J.W.M. and Pollnau, M. (2010) Advances in fluorescent detection of molecules in an optofluidic chip. In: EOS Annual Meeting, EOSAM 2010, 26-29 October 2010, Paris, France (pp. p. 3437).

Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Martinez-Vazquez, R. and Osellame, R. and Ramponi, R. and Cerullo, G. and Weeghel, R. van and Besselink, G.A.J. and Vlekkert, H.H. van den and Pollnau, M. (2008) Fluorescence monitoring of capilarry electrophoresis separation in a lab-on-a-chip with monolithically integrated waveguides. In: 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27-28 November 2008, Enschede, The Netherlands (pp. pp. 159-162).

Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Martinez-Vazquez, R. and Osellame, R. and Ramponi, R. and Cerullo, G. and Weeghel, R. van and Besselink, G.A.J. and Vlekkert, H.H. van den and Pollnau, M. (2009) Fluorescence monitoring of microchip capillary electrophoresis separation with monolithically integrated optical waveguides. In: Conference on Lasers and Electro-Optics, CLEO, 31 May - 05 Jun 2009, Baltimore, Maryland, USA (pp. CTuM5).

Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Martinez-Vazquez, R. and Osellame, R. and Ramponi, R. and Cerullo, G. and Weeghel, R. van and Besselink, G.A.J. and Vlekkert, H.H. van den and Pollnau, M. (2009) Fluorescence monitoring of capillary electrophoresis separation of biomolecules with monolithically integrated optical waveguides. In: European Lab-on-a-chip Congress, 18-19 may, 2009, Stockholm, Sweden (pp. poster 1).

Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Nolli, D. and Martinez-Vazquez, R. and Osellame, R. and Cerullo, G. and Besselink, G.A.J. and Pollnau, M. (2008) Femtosecond laser written waveguides for fluorescence sensing during microchip capillary electrophoresis. In: The Sense of Contact X, 9 April 2008, Zeist, The Netherlands.

Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Nolli, D. and Martinez-Vazquez, R. and Osellame, R. and Laporta, P. and Cerullo, G. and Besselink, G.A.J. and Weeghel, R. van and Pollnau, M. (2008) Femtosecond laser written waveguides for fluorescence-sensing during microchip capillary electrophoresis. In: 9th European Conference on Optical Chemical Sensors and Biosensors, Europtrode IX, March 30 - April 2, 2008, Dublin, Ireland (pp. pp. 116-117).

Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Nolli, D. and Martinez-Vazquez, R. and Osellame, R. and Laporta, P. and Cerullo, G. and Pollnau, M. (2007) Characterization of femtosecond laser written waveguides for integrated biochemical sensing. In: 12th Annual Symposium IEEE/LEOS Benelux, 17-18 December 2007, Brussels, Belgium (pp. pp. 27-30).

Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Nolli, R. and Martinez-Vázquez, R. and Osellame, R. and Cerullo, G. and Weeghel, R. van and Besselink, G.A.J. and Pollnau, M. (2008) Monitoring of fluorescently labelled DNA during capilarry electrophoresis in a lab-on-a-chip with integrated waveguides. In: Annual meeting of the European Society (Topical Meeting 1-Biophotonics), 29 September - 2 October 2008, Paris, France (pp. p. 1052).

Dongre, C. and Hoekstra, H.J.W.M. and Pollnau, M. (2010) Electrophoretic separation and detection of a few DNA molecules in an optofluidic chip. In: Frontiers in Optics, FIO 2010 - Photonic Sensor II, 24-28 October 2010, Rochester, NY.

Dongre, C. and Hoekstra, H.J.W.M. and Pollnau, M. and Martínez Vázquez, R. and Osellame, R. and Cerullo, G. and Weerd, J. van and Weeghel, R. van and Besselink, G.A.J. and Vlekkert, H.H. van den (2010) Multi-wavelength fluorescence sensing with integrated waveguides in an optofluidic chip. In: 15th European Conference on Integrated Optics, ECIO 2010, 7-9 April 2010, Cambridge, United Kingdom (pp. ThB2).

Dongre, C. and Pollnau, M. and Hoekstra, H.J.W.M. (2010) Modulation-frequency encoding/decoding for parallel detection in biophotonic sensing. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. CTuB1).

Dongre, C. and Weerd, J. van and Besselink, G.A.J. and Martinez Vazquez, R. and Osellame, R. and Cerullo, G. and Weeghel, R. van and Vlekkert, H.H. van den and Hoekstra, H.J.W.M. and Pollnau, M. (2010) High-resolution, multi-wavelength fluorescent DNA analysis in an optofluidic chip. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. CTuN7).

Dongre, C. and Weerd, J. van and Besselink, G.A.J. and Martinez Vazquez, R. and Osellame, R. and Ramponi, R. and Cerullo, G. and Weeghel, R. van and Vlekkert, H.H. van den and Hoekstra, H.J.W.M. and Pollnau, M. (2009) DNA Separation and Fluorescence Monitoring by Integrated Waveguides in an Optofluidic Chip. In: 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 5-6 November 2009, Brussels, Belgium (pp. pp. 49-52).

Dongre, C. and Weerd, J. van and Besselink, G.A.J. and Osellame, R. and Martínez Vázquez, R. and Cerullo, G. and Weeghel, R. van and Vlekkert, H.H. van den and Hoekstra, H.J.W.M. and Pollnau, M. (2011) Modulation-frequency encoded multi-color fluorescent DNA analysis in an optofluidic chip. In: International Laser Physics Workshop, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina (pp. Paper 3.1.1).

Dongre, C. and Weerd, J. van and Weeghel, R. van and Martinez Vazquez, R. and Osellame, R. and Cerullo, G. and Besselink, G.A.J. and Vlekkert, H.H. van den and Hoekstra, H.J.W.M. and Pollnau, M. (2010) Multi-color fluorescent DNA analysis in an integrated optofluidic lab-on-a-chip. In: Sense of Contact 12, April 8, 2010, Zeist, The Netherlands.

Dongre, C. and Weerd, J. van and Weeghel, R. van and Martinez Vazquez, R. and Osellame, R. and Ramponi, R. and Cerullo, G. and Dekker, R. and Besselink, G.A.J. and Vlekkert, H.H. van den and Hoekstra, H.J.W.M. and Pollnau, M. (2009) Multi-point, multi-wavelength fluorescence monitoring of DNA separation in a lab-on-a-chip with monolithically integrated femtosecond-laser-written waveguides. In: European Conference on Biomedical Optics: Novel Optical Instrumentation for Biomedical Applications, 14-18 june, 2009, Munich, Germany (pp. TuJ2).

Dongre, C. and Weerd, J. van and Weeghel, R. van and Martinez Vazquez, R. and Osellame, R. and Ramponi, R. and Cerullo, G. and Dekker, R. and Besselink, G.A.J. and Vlekkert, H.H. van den and Hoekstra, H.J.W.M. and Pollnau, M. (2009) Integrated fluorescence sensing in a lab-on-a-chip for DNA analysis. In: The Sense of Contact, 8 april 2009, Zeist, The Netherlands.

Driessen, A. and Pollnau, M. (2008) Rare-earth-ion-doped materials and resonant structures for active integrated optics. In: Book of Abstracts 17th International Laser Physics Workshop (LPHYS'08), 30 June - 4 July 2008, Trondheim, Norway (pp. p. 477).

Dubbink, T. and Sefünc, M.A. and Pollnau, M. and Garcia Blanco, S.M. (2013) Study of sharp bends in anisotropic potassium double tungstate waveguides. In: 15th International Conference on Transparent Optical Networks, 23-27 June 2013, Cartagena, Spain.

Ehrentraut, D. and Aznar, A. and Sole, R. and Aguilo, M. and Gerner, P. and Güdel, H.U. and Pollnau, M. (2003) Liquid-phase epitaxy and optical investigation of stoichiometric KYb(WO4)2 thin layers. In: 3rd International Symposium on Laser and Nonlinear Optical Materials, 20-24 July 2003, Keystone, Colorado (pp. pp. 169-170).

Ehrentraut, D. and Pollnau, M. (2003) On the potential of BaSO4:Mn6+ for broadly tunable laser emission in the near infrared spectral region. In: Conference on Lasers and Electro-Optics Europe, 23-27 June 2003, Munich, Germany (pp. CG2).

Ehrentraut, D. and Pollnau, M. (2002) Layer growth of high-quality BaSO4:Mn6+ using liquid phase epitaxy. In: Materials Research Society Spring Meeting, 1-5 April 2002, San Francisco, California (pp. pp. 198-199).

Ehrentraut, D. and Pollnau, M. and Kück, S. (2002) Liquid phase epitaxy, spectroscopic investigation, and broadband emission of BaSO4:Mn6+ layers. In: Conference on Lasers and Electro-Optics. CLEO '02, May 19-24, 2002, Long Beach, California (pp. pp. 234-235).

Ehrentraut, Dirk and Pollnau, Markus (2002) Homoepitaxial growth of high-quality BaSO4:Mn6+ using low-temperature liquid phase epitaxy. In: 14th American Conference on Crystal Growth and Epitaxy, 4-8 August 2002, Seattle, Washington (pp. p. 65).

Eichhorn, M. and Pollnau, M. (2012) The Q-factor of a continuous-wave laser. In: Conference on Lasers and Electro-Optics: Science and Innovations, CLEO: S and I, 6-11 May 2012, San Jose, CA, USA (pp. JW2A.29).

Eichhorn, M. and Pollnau, M. (2014) Coherence manifestation in a continuous-wave laser. In: Laser Sources and Applications II, Photonics Europe, 14-17 April 2014, Brussels, Belgium (pp. Paper 91350A).

Garcia Blanco, S.M. and Sefünc, M.A. and Voorden, M.H. van and Pollnau, M. (2012) Loss compensation in metal-loaded hybrid plasmonic waveguides using $Yb^{3+}$ potassium double tungstate gain materials. In: 14th International Conference on Transparent Optical Networks, ICTON 2012, 2-5 July 2012, Coventry, UK.

Garcia Blanco, Sonia M. and Geskus, Dimitri and Dalfsen, Koop van and Ay, Feridun and Aravazhi, Shanmugam and Pollnau, Markus (2011) Monoclinic double tungstate waveguide amplifiers and microlasers. In: International Conference on Transparent Optical Networks, ICTON 2011, 26-30 June 2011, Stockholm, Sweden.

Garcia-Blanco, Sonia M. and Geskus, Dimitri and Dalfsen, Koop van and Aravazhi, Shanmugam and Pollnau, Markus (2011) Rare-earth-ion-doped double tungstates: A promising gain material for integrated optics. In: 8th International Symposium on Modern Optics and Its Applications, ISMOA 2011, 4-7 July 2011, Bandung, Indonesia (pp. pp. 69-70).

Garcia-Blanco, Sonia M. and Pollnau, Markus and Bozhevolnyi, Sergey I. (2012) Theoretical study of loss compensation in long-range dielectric loaded surface plasmon polariton waveguides. In: Micro- and Nano-photonic Materials and Devices, MINAP 2012, 16-18 January 2012, Trento, Italy (pp. pp. 85-88).

García-Blanco, S.M. and Geskus, D. and Dalfsen, K. van and Aravazhi, S. and Pollnau, M. (2012) Rare-earth activated potassium double tungstate waveguide amplifiers and lasers. In: Photonics West 2012, The Photonics, Biomedical Optics, MOEMs-MEMs, Industrial Laser Conference and Exhibition, 21-27 January 2012, San Francisco, CA, USA.

García-Blanco, S.M. and Pollnau, M. and Bozhevolnyi, S..I. (2012) Loss compensation in long-range dielectric loaded surface plasmon polariton waveguides. In: 3rd International Conference on Metamaterials, Photonic Crystals and Plasmonics, META 2012, 19-22 April 2012, Paris, France.

García-Revilla, S. and Valiente, R. and Romanyuk, Y.E. and Utke, I. and Pollnau, M. (2004) Optical spectroscopy of rare-earth ions doped KY(WO4)2 thin films. In: EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources, 29 Aug - 3 Sep 2004, Lausanne, Switzerland (pp. TuC16).

Gardillou, F. and Borca, C.N. and Romanyuk, Y.E. and Hibert, C. and Salathé, R.P. and Pollnau, M. (2006) Novel rib structures in Yb-doped $KY(WO_4)_2$ for laser applications. In: Conference Digest 2nd EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light sources, 10-15 September 2006, Pisa, Italy (pp. TUA6).

Gardillou, F. and Romanyuk, Y.E. and Borca, C.N. and Salathé, R.P. and Pollnau, M. (2006) Optical rib waveguide structures based on (Lu,Gd) co-doped $KY(WO_4)_2:Yb$ epitaxial layers. In: Proceedings of the 32rd European Conference on Optical Communication, 24-28 September 2006, Cannes, France (pp. WE2.6.2.).

Gardillou, F. and Romanyuk, Y.E. and Pavius, M. and Borca, C.N. and Salathé, R.P. and Pollnau, M. (2006) Focused-ion-beam nano-structured rib channel waveguides in $KY(WO_4)_2$ for laser applications. In: Book of Abstracts 15th International Laser Physics Workshop (LPHYS'06), 24-28 July 2006, Lausanne, Switzerland (pp. p. 210).

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2010) High-power KY(WO4)2:Yb3+ channel waveguide lasers. In: European Workshop on Double Tungstate Lasers, 3 September 2010, Hamburg, Germany (pp. p. 10).

Geskus, D. and Aravazhi, S. and Bernhardi, E. and Grivas, C. and Wörhoff, K. and Pollnau, M. (2010) Low-Threshold and Highly Efficient Gd3+, Lu3+Co-doped KY(WO4)2:Yb3+ Planar Waveguide Lasers. In: Advanced Solid-State Photonics, ASSP, 31 Jan - 3 Feb 2010, San Diego, California, USA (pp. ATuB2).

Geskus, D. and Aravazhi, S. and Bernhardi, E.H. and Agazzi, L. and García-Blanco, S.M. and Pollnau, M. (2012) Ultra-high, broadband gain in a lattice-engineered, Yb-doped double tungstate channel waveguide. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.

Geskus, D. and Aravazhi, S. and Bernhardi, E.H. and Agazzi, L. and García-Blanco, S.M. and Pollnau, M. (2012) 150 dB/cm gain over 55 nm wavelength range near 1 µm in an Yb-doped waveguide amplifier. In: Conference on Lasers and Electro-Optics: Science and Innovations, CLEO: S and I, 6-11 May 2012, San Jose, CA, USA (pp. Paper CM1A.6).

Geskus, D. and Aravazhi, S. and Garcia Blanco, S.M. and Pollnau, M. (2011) Giant optical gain in rare-earth-ion-doped thin films and waveguides. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia (pp. Paper 4630).

Geskus, D. and Aravazhi, S. and Garcia Blanco, S.M. and Pollnau, M. (2011) Giant optical gain in a rare-earth-ion-doped waveguide amplifier. In: International Laser Physics Workshop, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina (pp. Paper 4.2.4).

Geskus, D. and Aravazhi, S. and Garcia Blanco, S.M. and Pollnau, M. (2011) Ultra-high gain in an Yb3+-doped dielectric waveguide. In: 16th International Conference on Luminescence & Optical Sperctroscopy of Condensed Matter, 26 June - 1 July 2011, Ann Arbor, MI, USA (pp. p. 60).

Geskus, D. and Aravazhi, S. and Garcia Blanco, S.M. and Pollnau, M. (2011) 1000 dB/cm gain in Yb$^{3+}$-doped double tungstates. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2011, 1-2 December 2011, Ghent, Belgium (pp. pp. 29-32).

Geskus, D. and Aravazhi, S. and Garcia Blanco, S.M. and Pollnau, M. (2011) Wavelength-dependent optical gain in a $KGd_xLu_{1-x}(WO_4)_2:Yb^{3+}$ waveguide amplifier. In: IEEE Photonics Conference, PHO 2011, 9-13 October 2011, Arlington, Virginia, USA (pp. pp. 845-846).

Geskus, D. and Aravazhi, S. and Grivas, C. and Wörhoff, K. and Pollnau, M. (2010) Highly efficient KY(WO$_{4}$)$_{2}$:Gd$^{3+}$, Lu$^{3+}$, Yb$^{3+}$ channel waveguide laser. In: Europhoton Conference, 30 Aug - 3 Sep 2010, Hamburg, Germany.

Geskus, D. and Aravazhi, S. and Grivas, C. and Wörhoff, K. and Pollnau, M. (2010) Microstructured Channel Waveguide Lasers In KY(WO4)2:Gd3+, Lu3+, Yb3+. In: Frontiers in Optics, FIO 2010 - Novel Hybrid Integration II, 24-28 October 2010, Rochester, NY.

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2009) Low-threshold laser in a high-index-contrast double tungstate waveguide. In: European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference, CLEO Europe - EQEC 2009, 14-19 June 2009, Munich, Germany.

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2010) High-gain KY(WO4)2:Yb3+ planar waveguide laser at the zero-phonon line. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. CTuU3).

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2010) Highly efficient Gd, Lu co-doped KYW:Yb$^{3+}$ planar and channel waveguide lasers. In: IV International Workshop on Photonic and Electronic Materials, 5-7 July 2010, San Sebastian, Spain (pp. p. 50).

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2011) High-power, broadly tunable, and low-quantum-defect Yb3+-doped double tungstate channel waveguide lasers. In: Advanced Solid-State Photonics, ASSP 2011, 13-16 Feb 2011, Istanbul, Turkey (pp. ATuD6(1)-ATuD7(3)).

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2011) Broadly tunable and low-quantum-defect Yb3+-doped double tungstate channel waveguide lasers. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CA7.4).

Geskus, D. and Bradley, J.D.B. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2008) Poor man's channel waveguide laser: $KY(WO_4)_2:Yb$. In: Conference on Lasers and Electro-Optics (CLEO) 2008, OSA Technical Digest (CD), 4-9 May 2008, San Jose, California, U.S.A. (pp. Paper CTuS4).

Geskus, D. and Bradley, J.D.B. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2007) Progress on micro-structured $KY{(WO_4)}_2$ waveguides for optically active devices. In: 12th Annual Symposium IEEE/LEOS Benelux, 17-18 December 2007, Brussels, Belgium (pp. pp. 103-106).

Geskus, D. and Bradley, J.D.B. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2008) Fibre-top-loaded channel waveguide laser in $KY(WO_4)_2:Yb^{3+}$. In: 2008 Annual Workshop of the IEEE LEOS Benelux Chapter "Materials, Devices and Systems in Optics and Photonics, 30-05-2008, Brussels, Belgium (pp. pp. 13-14).

Geskus, D. and Dalfsen, K. van and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2011) Yb3+ and Tm3+ doped KGdxLuyY1-x-y(WO4)2 Channel Waveguide Lasers. In: Conference on Lasers and Electro-Optics, CLEO 2011, 1-6 May 2011, Baltimore, Maryland, USA (pp. CWP4).

Geskus, D. and Grivas, C. and Aravazhi, S. and Griebner, U. and Garcia Blanco, S.M. and Pollnau, M. (2012) Diode-side-pumped channel waveguide laser. In: Europhoton Conference, 26-31 August 2012, Stockholm, Sweden (pp. WeP.5).

Geskus, Dimitri and Aravazhi, Shanmugam and Bernhardi, Edward and Grivas, Christos and Wörhoff, Kerstin and Pollnau, Markus (2009) Highly efficient Gd, Lu co-doped KY(WO4)2:Yb3+ planar waveguide laser. In: Proceedings of the European Optical Society, 1st EOS Topical Meeting on Lasers 2009, 27-30 Sep 2009, Capri, Italy (pp. p. 2172).

Geskus, Dimitri and Aravazhi, Shanmugam and Garcia Blanco, Sonia and Pollnau, Markus (2011) Giant gain in a rare-earth-ion-doped waveguide. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CJ2.5).

Geskus, Dimitri and Aravazhi, Shanmugam and Garcia Blanco, Sonia M. and Pollnau, Markus (2011) Giant optical gain in a rare-earth-ion-doped waveguide. In: Conference on Lasers and Electro-Optics, CLEO 2011, 1-6 May 2011, Baltimore, Maryland, USA (pp. PDPA12).

Golding, Paul S. and Jackson, Stuart D. and King, Terence A. and Pollnau, Markus (2000) Determination of energy transfer parameters in Er3+-doped and Er3+,Pr3+-codoped ZBLAN glasses. In: Advanced Solid State Lasers, ASSL 2000, 13-15 February 2000, Davos, Switzerland (pp. pp. 548-554).

Grivas, C. and Shepherd, D.P. and Eason, R.W. and Laversenne, L. and Moretti, P. and Pollnau, M. (2006) Proton-implanted Ti:sapphire buried channel-waveguide lasers. In: Conference Digest 2nd EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light sources, 10-15 September 2006, Pisa, Italy (pp. TuE6).

Grivas, C. and Shepherd, D.P. and May-Smith, T.C. and Eason, R.W. and Pollnau, M. (2004) Single transverse-mode laser operation of Ti:sapphire rib waveguides. In: EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources, 29 Aug - 03 Sep 2004, Lausanne, Switzerland (pp. PD5).

Grivas, C. and Shepherd, D.P. and May-Smith, T.C. and Eason, R.W. and Pollnau, M. (2004) Ar+ beam etched Ti:sapphire rib waveguides: a route for the development of broadband fluorescence and channel laser sources. In: Conference on Lasers and Electro-Optics, CLEO '04, May 16-21, 2004, San Francisco, CA, USA (pp. CWA53).

Grivas, C. and Shepherd, D.P. and May-Smith, T.C. and Eason, R.W. and Pollnau, M. and Crunteanu, A. and Jelinek, M. (2003) Ti:sapphire rib waveguides as single-transverse-mode broadband fluorescence sources for optical coherence tomography applications. In: Conference on Lasers and Electro-Optics Europe, 23-27 June 2003, Munich, Germany (pp. CG3).

Grivas, C. and Yang, J. and Diemeer, M.B.J. and Driessen, A. and Pollnau, M. (2010) Continuous-wave solid-state polymer laser. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. CTuU6).

Hardman, P.J. and Pollnau, M. and Clarkson, W.A. and Hanna, D.C. (1998) The influence of energy-transfer upconversion on thermal lensing in end-pumped Nd:YLF and Nd:YAG lasers. In: Conference on Lasers and Electro-Optics Europe, CLEO/Europe, 14-18 September 1998, Glasgow, UK (pp. p. 151).

Hoekstra, H.J.W.M. and Dekker, R. and Dijkstra, M. and Dongre, C. and Hoekman, M. and Kauppinen, L.J. and Lambeck, P.V. and Pollnau, M. and Uranus, H.P. (2007) Integrated optics sensors for multi-sensing platforms. In: STW Conference "The Sense of Contact", 4 April 2007, Zeist, The Netherlands (pp. p. 5).

Hoekstra, H.J.W.M. and Dongre, C. and Pollnau, M. (2011) Modulation-frequency encoded multi-wavelength fluorescence analysis. In: 16th International Conference on Luminescence & Optical Sperctroscopy of Condensed Matter, 26 June - 1 July 2011, Ann Arbor, MI, USA (pp. p. 15).

Hoekstra, H.J.W.M. and Hammer, M. and Dongre, C. and Pollnau, M. (2014) Sub-base-pair resolution by electrophoretic separation and fluorescent detection of DNA molecules in an optofluidic chip. In: International Conference on Luminescence, ICL 2014, 13-18 July 2014, Wrocław, Poland (pp. Paper I-44).

Hopman, Wico C.L. and Ay, Feridun and Hu, Wenbin and Gadgil, Vishwas J. and Kuipers, Laurens and Pollnau, Markus and Ridder, René M. de (2007) Focused Ion Beam Milling Strategies of Photonic Crystal Structures in Silicon. In: European Conference on Integrated Optics, ECIO 2007, 27-28 April 2007, Copenhagen, Denmark (pp. FA1-FA1/1).

Inurrategi, I. and Ay, F. and Geskus, D. and Aravazhi, S. and Gadgil, V.J. and Wörhoff, K. and Pollnau, M. (2010) Bragg Gratings in Crystalline Waveguides Fabricated by Focused Ion Beam Milling. In: 2nd International Workshop on FIB for Photonics, 6-7 Apr 2010, Cambridge, UK (pp. pp. 8-9).

Ismail, N. and Akca, B.I. and Sun, F. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. and Driessen, A. (2010) Arrayed-waveguide-grating light collector for on-chip spectroscopy. In: 15th European Conference on Integrated Optics, ECIO 2010, 7-9 April 2010, Cambridge, United Kingdom (pp. WeB5).

Ismail, N. and Akca, I. and Baclig, A.C. and Caspers, P.J. and Sun, F. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. and Driessen, A. (2010) Design of low-loss arrayed waveguide gratings for applications in integrated Raman spectroscopy. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. CFA7).

Ismail, N. and Baclig, A.C. and Caspers, P.J. and Puppels, G.J. and Akca, B.I. and Sun, F. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. and Driessen, A. (2010) Integrated optical confocal system for Raman spectroscopy. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2010, 18-19 November 2010, Delft, The Netherlands (pp. pp. 57-60).

Ismail, N. and Chang, L. and Sengo, G. and Ridder, R.M. de and Pollnau, M. and Wörhoff, K. (2012) Polymer microlenses for collimating light from single-mode silicon oxynitride optical waveguides. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.

Ismail, N. and Choo-Smith, L.-P. and Wörhoff, K. and Driessen, A. and Baclig, A.C. and Caspers, P.J. and Puppels, G.J. and Ridder, R.M. de and Pollnau, M. (2011) Raman spectroscopy of human teeth using integrated optical spectrometers. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2011, 1-2 December 2011, Ghent, Belgium (pp. pp. 65-68).

Ismail, N. and Sun, F. and Sengo, G. and Wörhoff, K. and Driessen, A. and Ridder, R.M. de and Pollnau, M. (2011) Broadband polarization-insensitive arrayed waveguide gratings for Raman spectroscopy. In: Conference on Lasers and Electro-Optics, 1-6 May 2011, Baltimore, Maryland, USA (pp. CFN4).

Ismail, N. and Sun, F. and Wörhoff, K. and Pollnau, M. and Driessen, A. (2008) Detection of light backscattered from liquids by means of integrated optical waveguides. In: 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27-28 November 2008, Enschede, The Netherlands (pp. pp. 27-29).

Ismail, N. and Sun, F. and Çivitci, F. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. and Driessen, A. (2009) Efficiency comparison between integrated optical waveguide probes and conventional fiber probes in the detection of backscattered light. In: 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 5-6 November 2009, Brussels, Belgium (pp. pp. 105-108).

Ismail, N. and Sun, F. and Çivitci, F. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. and Driessen, A. (2009) Use of integrated optical waveguide probes as an alternative to fiber probes for sensing of light backscattered from small volumes. In: 3rd EOS Topical Meeting on Optical Microsystems, 2009, September 27-30, 2009, Capri, Italy (pp. p. 2158).

Ismail, N. and Wörhoff, K. and Choo-Smith, L.P. and Baclig, A.C. and Caspers, P.J. and Puppels, G.J. and Driessen, A. and Ridder, R.M. de and Pollnau, M. (2011) On-chip Raman spectrometer for the detection of early dental caries. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia (pp. Paper 2700-PO).

Ismail, N. and Wörhoff, K. and Driessen, A. and Ridder, R.M. de and Pollnau, M. and Choo-Smith, L.-P. and Baclig, A.C. and Caspers, P.J. and Puppels, G.J. (2012) Arrayed waveguide grating for polarized Raman spectroscopy of human teeth. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.

Ismail, Nur and Sun, Fei and Wörhoff, Kerstin and Driessen, Alfred and Ridder, René M. de and Pollnau, Markus (2011) Integrated optical backscattered-light collectors for on-chip spectroscopy. In: The Sense of Contact 13, April 7, 2011, Zeist, the Netherlands.

Ismail, Nur and Sun, Fei and Wörhoff, Kerstin and Driessen, Alfred and Ridder, René M. de and Pollnau, Markus (2011) Integrated arrayed waveguide grating spectrometer for measuring Raman spectra. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CH5.4).

Ismail, Nur and Çivitci, Fehmi and Wörhoff, Kerstin and Ridder, René M. de and Pollnau, Markus and Driessen, Alfred (2011) Integrated waveguide probes for efficient backscattered-light collection from thin samples. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CL/EB.P.13).

Jackson, S.D. and King, T.A. and Pollnau, M. (1999) Order-of-magnitude power enhancement of an Er3+ 2.7-µm ZBLAN laser utilizing lifetime quenching by energy transfer to Pr3+. In: International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, 23-27 August 1999, Osaka, Japan.

Jackson, S.D. and King, T.A. and Pollnau, M. (1999) Diode-pumped 1.7-W erbium 3-µm fiber laser. In: Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim '99, 30 August - 3 September 1999, Seoul, Korea (pp. pp. 537-538).

Kahn, A. and Gün, T. and Ileri, B. and Kühn, H. and Petermann, K. and Huber, G. and Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. and Luo, Y. and Hoffmann, P. (2008) Mono-crystalline rare earth doped $(Gd, Lu)_2O_3$ waveguiding films produced by pulsed laser deposition and structured by reactive ion etching. In: Proceedings Conference on Lasers and Electro-Optics, CLEO 2008, 4-9 May 2008, San Jose, California, U.S.A. (pp. Paper CTuS1).

Kahn, A. and Kühn, H. and Heinrich, S. and Gün, T. and Tellkamp, F. and Petermann, K. and Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. and Kuzminykh, Y. and Luo, Y. and Hoffmann, P. and Huber, G. (2008) In-band pumping of expitaxially grown $Er:(Gd, Lu)_2O_3$ waveguides for active integrated optical devices. In: 3rd EPS-QEOD: Europhoton Conference on Solid-State and Fiber coherent Light sources, 31-8-2008 - 5-9-2008, Paris, France (pp. Paper THoD.2).

Kahn, A. and Kühn, H. and Heinrich, S. and Petermann, K. and Huber, G. and Bradley, J.D.B. and Wörhoff, K. and Pollnau, M. (2009) Low threshold channel waveguide laser in a monocrystalline Nd:(Gd,Lu)2O3 film. In: Conference on Lasers and Electro-Optics, CLEO 2009, 31 May - 5 June 2009, Baltimore, MD, USA (pp. CTuP7).

Kauppinen, L.J. and Abdulla, S.M.C. and Dijkstra, M. and Boer, M.J. de and Berenschot, J.W. and Krijnen, G.J.M. and Pollnau, M. and Ridder, R.M. de (2011) Micromechanically tuned ring resonator in silicon on insulator. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia (pp. Paper 4240-IT).

Kauppinen, Lasse J. and Abdulla, Shahina M.C. and Krijnen, Gijs J.M. and Pollnau, Markus and Ridder, René M. de (2011) Electromechano-optically tuned ring resonator in silicon on insulator, monolithically integrated with a microcantilever. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CE5.1).

Khan, M.R.H. and Bernhardi, E.H. and Marpaung, D.A.I. and Burla, M. and Ridder, R.M. de and Wörhoff, K. and Pollnau, M. and Roeloffzen, C.G.H. (2012) Highly stable microwave carrier generation using a dual-frequency distributed feedback laser. In: IEEE International Topical Meeting on Microwave Photonics, MWP 2012, 11-14 September 2012, Noordwijk, The Netherlands (pp. pp. 1-4).

Kuzminykh, Y. and Bär, S. and Scheife, H. and Huber, G. and Apostolopoulos, V. and Pollnau, M. (2004) Waveguiding thin Y2O3 films grown on sapphire substrates. In: EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources, 29 Aug - 3 Sep 2004, Lausanne, Switzerland (pp. ThC2).

Laversenne, L. and Borca, C.N. and Pollnau, M. and Moretti, P. and Grivas, C. and Shepherd, D.P. and Eason, R.W. (2006) Ti-sapphire buried channel waveguide laser by proton implantation. In: Technical Digest of the Conference on Lasers and Electro-Optics, 21-26 May 2006, Long Beach, California (pp. JWB47).

Laversenne, L. and Crunteanu, A. and Hoffmann, P. and Pollnau, M. and Moretti, P. and Mugnier, J. (2003) Proton implanted sapphire planar and channel waveguides. In: Conference on Lasers and Electro-Optics Europe, 23-27 June 2003, Munich, Germany (pp. CG3).

Laversenne, L. and Crunteanu, A. and Hoffmann, P. and Pollnau, M. and Moretti, P. and Mugnier, J. (2003) Sapphire planar waveguides fabricated by H+ ion beam implantation. In: Conference on Lasers and Electro-Optics, CLEO '03, 1-6 June 2003, Baltimore, Maryland (pp. CThT7).

Laversenne, L. and Hoffmann, P. and Pollnau, M. and Moretti, P. (2004) Proton implanted buried planar and channel waveguides in sapphire and Ti:sapphire. In: EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources, 29 Aug - 3 Sep 2004, Lausanne, Switzerland (pp. ThD3).

Laversenne, L. and Hoffmann, P. and Pollnau, M. and Moretti, P. (2004) Buried planar and channel waveguides in sapphire and Ti:sapphire by proton implantation. In: Conference on Lasers and Electro-Optics, CLEO '04, May 16-21, 2004, San Francisco, CA, USA (pp. CTuU5).

Laversenne, L. and Pollnau, M. and Bigotta, S. and Toncelli, A. and Tonelli, A. (2003) Super-quadratic behavior of luminescence decay excited by energy-transfer upconversion. In: 5th International Conference on f-Elements, 24-29 August 2003, Geneva, Switzerland (pp. p. 64).

Laversenne, L. and Pollnau, M. and Bigotta, S. and Toncelli, A. and Tonelli, M. (2003) Dependence of upconversion on direct luminescence decay in energy-transfer upconversion. In: 4th International Spring Workshop on Spectroscopy, Structure & Synthesis of Rare Earth Systems, 21-26 June 2003, Ladek Zdroj, Poland (pp. O4).

Laversenne, Laetitia and Hoffmann, Patrik and Pollnau, Markus and Moretti, Paul (2004) Buried planar and channel waveguides in sapphire and Ti:sapphire by proton implantation. In: Integrated Photonics Research Topical Meeting, 30 June - 2 July 2004, San Francisco, CA (pp. IFF2).

Luo, Y. and Gardillou, F. and Borca, C.N. and Coric, D. and Romanyuk, Y.E. and Pollnau, M. and Hoffmann, P. and Salathé, R.P. (2007) Measurement of propagation loss in rare-earth-ion-doped potassium yttrium double tungstate (KYW) waveguides by optical low coherence reflectometry. In: Proceedings of the European Materials Research Society Meeting 2007, Symposium C: Rare Earth ion doping for photonics: Materials, mechanisms and devices., 28 May - 1 June 2007, Strasbourg, France.

Martinez-Vazquez, R. and Osellame, R. and Cretich, M. and Chiari, M. and Dongre, C. and Hoekstra, H.J.W.M. and Vlekkert, H.H. van den and Ramponi, R. and Pollnau, M. and Cerullo, G. (2009) Optical sensing by femtosecond laser written waveguides in microfluidic chip for capillary electrophoresis. In: Conference on Lasers and Electro-Optics, CLEO 2009, 31 May - 5 June 2009, Baltimore, MD, USA (pp. CThP4).

Martinez-Vázquez, R. and Nolli, D. and Osellame, R. and Dongre, C. and Pollnau, M. and Cerullo, G. and Ramponi, R. (2008) Integration of femtosecond laser written waveguides for optical detection in microfluidic chips. In: Annual meeting of the European Society (Topical Meeting 1- Biophotonics), 29 September - 2 October 2008, Paris, France.

Martinez-Vázquez, R. and Osellame, R. and Cretich, M. and Dongre, C. and Hoekstra, H.J.W.M. and Vlekkert, H. van den and Ramponi, R. and Pollnau, M. and Chiari, M. and Cerullo, G. (2009) Optical sensing in microchip capillary electrophoresis by femtosecond laser written waveguides. In: 23rd International Symposium on Microscale Bioseparations, 02-05 Feb 2009, Boston, Massachusetts, USA (pp. p. 250).

Nguyen, V. Duc and Akça, B.I. and Wörhoff, K. and Ridder, R.M. de and Pollnau, M. and Leeuwen, T.G. van and Kalkman, J. (2011) Spectral-domain optical coherence tomography with an arrayed waveguide grating spectrometer. In: European Conferences on Biomedical Optics, 22-26 May 2011, Munich, Germany.

Nguyen, V. Duc and Kalkman, J. and Ismail, N. and Sun, F. and Wörhoff, K. and Driessen, A. and Pollnau, M. and Leeuwen, T.G. van (2009) Design and characterization of SiON integrated optics components for optical coherence tomography. In: Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. European Conference on, 14-19 June 2009, Munich, Germany (pp. CL.P.14 THU).

Nguyen, V.D. and Leeuwen, T.J. van and Kalkman, J. and Ismail, N. and Sun, F. and Akca, B.I. and Driessen, A. and Pollnau, M. and Ridder, R.M. de and Wörhoff, K. (2010) SiON integrated optics elliptic couplers for Fizeau-based Optical Coherence Tomography. In: 15th European Conference on Integrated Optics, ECIO 2010, 7-9 April 2010, Cambridge, United Kingdom (pp. ThP23).

Osellame, R. and Martinez-Vazquez, R. and Ramponi, R. and Cerullo, G. and Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Pollnau, M. (2008) Femtosecond laser microfabrication of optical waveguides in commercial microfluidic lab-on-a-chip. In: Microfluidics, BioMEMS, and Medical Microsystems VI, 19-24 January 2008, San Jose, California (pp. Page 432).

Osellame, R. and Martinez Vazquez, R. and Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Pollnau, M. and Ramponi, R. and Cerullo, G. (2008) Femtosecond laser fabrication for the integration of optical sensors in microfluidic lab-on-chip devices. In: XVI International Conference on Ultrafast Phenomena Conference Digest, 9-13 June 2008, Stresa (Lago Maggiore), Italy.

Osellame, R. and Martinez Vazquez, R. and Ramponi, R. and Cerullo, G. and Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Pollnau, M. (2008) Integrated Optical sensing in a lab-on-chip by femtosecond laser written waveguides. In: Conference on Lasers and Electro-Optics, CLEO 2008, 4-9 May 2008, San Jose, CA, USA (pp. CMHH3).

Pham, S.V. and Dijkstra, M. and Hollink, A.J.F. and Ridder, R.M. de and Krijnen, G.J.M. and Lambeck, P.V. and Pollnau, M. and Hoekstra, H.J.W.M. (2012) Grated waveguide optical cavity for sensing. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.

Pham, S.V. and Dijkstra, M. and Hollink, A.J.F. and Ridder, R.M. de and Pollnau, M. and Hoekstra, H.J.W.M. (2011) Compact Integrated Optical Sensors using Slow-Light Propagation in Grated Waveguide based Cavities. In: Sense of Contact 13, April 7, 2011, Zeist, the Netherlands.

Pham, S.V. and Dijkstra, M. and Hollink, A.J.F. and Ridder, R.M. de and Pollnau, M. and Hoekstra, H.J.W.M. (2011) Compact integrated optical sensors based on a Si3N4 grated waveguide optical cavity. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany (pp. Paper CK2.1).

Pham, S.V. and Dijkstra, M. and Hollink, A.J.F. and Ridder, R.M. de and Pollnau, M. and Hoekstra, H.J.W.M. (2011) Si3N4 Grated Waveguide Optical Cavity based Sensors for Bulk-index Concentration, Label-free Protein, and Mechano-Optical Gas Sensing. In: International Laser Physics Workshop, LPHYS 2011, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina (pp. Paper 3.6.1).

Pham, S.V. and Dijkstra, M. and Hollink, A.J.F. and Ridder, R.M. de and Wolferen, H.A.G.M. van and Krijnen, G.J.M. and Pollnau, M. and Hoekstra, H.J.W.M. (2011) Grated waveguide cavity for label-free protein and mechano-optical gas sensing. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia (pp. Paper 2250-CT).

Pham, S.V. and Dijkstra, M. and Wolferen, H.A.G.M. van and Pollnau, M. and Krijnen, G.J.M. and Hoekstra, H.J.W.M. (2011) A Novel Mechano-Optical Sensor based on Read-out with a Si3N4 Grated Waveguide. In: Conference on Lasers and Electro-Optics, CLEO 2011, 1-6 May 2011, Baltimore, Maryland, USA (pp. CThQ4).

Pham, S.V. and Dijkstra, M. and Wolferen, H.A.G.M. van and Pollnau, M. and Krijnen, G.J.M. and Hoekstra, H.J.W.M. (2011) A novel mechano-optical sensor based on read-out with a Si$_3$N$_4$ grated waveguide. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2011, 1-2 December 2011, Ghent, Belgium (pp. pp. 61-64).

Pollnau, M. and Güdel, H.U. (1999) Power dependence of upconversion luminescence. In: International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, 23-27 August 1999, Osaka, Japan.

Pollnau, M. (2007) Rare-earth-ion-doped double-tungstate waveguides. In: Proceedings of the European Materials Research Society Meeting 2007, Symposium C: Rare Earth ion doping for photonics: materials, mechanisms and devices, 28 May - 1 June 2007, Strasbourg, France (pp. C11 6).

Pollnau, M. (2005) Optical waveguides in hard crystalline materials. In: Technical Digest Conference on Lasers and Electro-Optics, CLEO 2005, 22-27 May 2005, Baltimore, Maryland, U.S.A. (pp. Paper CWD3).

Pollnau, M. (2005) How to optimize gain in solid-state dielectric media. In: Book of Abstracts IEEE LEOS Benelux Annual Workshop - Lasing and amplification in solid state materials, 20 May 2005, Eindhoven, The Netherlands (pp. 2/9).

Pollnau, M. (2005) Rare-earth-ion-doped continuous-wave 3μm lasers. In: Book of Summaries Mid-Infrared Coherent Sources Conference, 6-11 November 2005, Barcelona, Spain (pp. Tu6).

Pollnau, M. (2008) Er-doped aluminium oxide waveguide amplifiers. In: Book of Abstract Workshop on Sensitized Er Doped Waveguide Amplifier/Laser, 13-15 April 2008, Levico Terme - Trento - Italy (pp. p. 14).

Pollnau, M. (2008) Optical Waveguide fabrication by femtosecond-laser irradiation and ion-beam implantation. In: Book of Abstract 15th International School on Quantum Electronics, Laser Physics and Applications, 15-19 September 2008, Bourgas, Bulgaria (pp. Paper L4 Page 9).

Pollnau, M. (2006) Upconversion Luminescence Transients. In: 23rd Meeting Workshop on Advances in the Study of Luminescent Materials, International School of Atomic and Molecular Spectroscopy, 21 June - 26 June 2006, Erice, Italy (pp. pp. 16-17).

Pollnau, M. (2003) Impact of the spectroscopic properties of rare-earth ions on solid-state laser systems. In: 5th International Conference on f-Elements, 24-29 August 2003, Geneva, Switzerland (pp. p. 41).

Pollnau, M. (2003) Broadband waveguided light sources. In: 4th International Spring Workshop on Spectroscopy, Structure & Synthesis of Rare Earth Systems, 21-26 June 2003, Ladek Zdroj, Poland (pp. L8).

Pollnau, M. (2013) A fresh look at continuous-wave lasers: How they really work! In: Doctoral Students Conference on Optics, DoKDoK 2013, 6-10 October 2013, Suhl, Germany (pp. p. 8).

Pollnau, M. (2014) Dielectric waveguide amplifiers and lasers. In: 2nd International Conference on Photonics, Optics and Laser Technology, PHOTOPTICS 2014, 7-9 January 2014, Lisbon, Portugal (pp. Paper IS-11).

Pollnau, M. and Akca, B.I. and Ismail, N. and Dongre, C. and Pham, S.V. and Wörhoff, K. and Ridder, R.M. de and Hoekstra, H.J.W.M. (2011) Biophotonic sensors on a microchip for trace-gas detection, DNA and enzyme analysis, Raman spectroscopy, and optical coherence tomography. In: Joint Annual Meeting of the Swiss Physical Society and the Austrian Physical Society, 15-17 June 2011, Lausanne, Switzerland (pp. Paper 213).

Pollnau, M. and Bedö, S. and Lüthy, W. and Weber, H.P. (1995) On the saturation of the 791 nm pumped erbium 3 µm fiber laser. In: Advanced Solid State Lasers, 30 January - 1 February 1995, Memphis, TN (pp. pp. 388-391).

Pollnau, M. and Bernhardi, E.H. and Bradley, J.D.B. and Ridder, R.M. de and Wörhoff, K. and Yang, J. and Diemeer, M.B.J. and Driessen, A. (2011) Rare-earth-ion-doped lasers integrated on a silicon chip. In: Joint Annual Meeting of the Swiss Physical Society and the Austrian Physical Society, 15-17 June 2011, Lausanne, Switzerland (pp. Paper 214).

Pollnau, M. and Bradley, J.D.B. and Agazzi, L. and Bernhardi, E.H. and Ay, F. and Wörhoff, K. and Ridder, R.M. de (2009) $Al2O3:Er^3^+$ as a new platform for active integrated optics. In: 11th International Conference on Transparent Optical Networks, ICTON 2009, June 28 - July 2, 2009, Azores (pp. We.D2.1).

Pollnau, M. and Bradley, J.D.B. and Bernhardi, E.H. and Agazzi, L. and Geskus, D. and Dalfsen, K. van and Yang, J. and Ay, F. and Driessen, A. and García-Blanco, S.M. and Wörhoff, K. and Ridder, R.M. de (2012) On-chip integrated amplifiers and lasers utilizing rare-earth-ion activation. In: 8th Nanoscience and Nanotechnology Congress, Nano-TR VIII 2012, 25-29 June 2012, Ankara, Turkey.

Pollnau, M. and Bradley, J.D.B. and Bernhardi, E.H. and Ay, F. and Ridder, R.M. de and Wörhoff, K. (2010) Integrated amplifiers and lasers in Al2O3:Er3+ thin films on a silicon chip. In: IV International Workshop on Photonic and Electronic Materials, 5-7 July 2010, San Sebastian, Spain (pp. p. 44).

Pollnau, M. and Bradley, J.D.B. and Yang, J. and Bernhardi, E.H. and Ridder, R.M. de and Wörhoff, K. (2010) Rare-earth-ion doped waveguide amplifiers and lasers in alumina and polymers. In: Frontiers in Optics, FIO 2010 - Novel Hybrid Integration II, 24-28 October 2010, Rochester, NY.

Pollnau, M. and Clarkson, W.A. and Hanna, D.C. (1998) Thermal lensing in end-pumped Nd:YAG under lasing and non-lasing conditions. In: Conference on Lasers and Electro-Optics, 3-8 May 1998, San Francisco, CA (pp. pp. 100-101).

Pollnau, M. and Dalfsen, K. van and Bernhardi, E.H. and Geskus, D. and Wörhoff, K. and Ridder, R.M. de and García-Blanco, S.M. (2012) Fabrication, operation, and applications of efficient dielectric waveguide lasers. In: International Conference on Advanced Laser Technologies, ALT 2012, 2-6 September 2012, Thun, Switzerland (pp. pp. 150-151).

Pollnau, M. and Dongre, C. and Dekker, R. and Hoekstra, H.J.W.M. and Martinez-Vazquez, R. and Osellame, R. and Ramponi, R. and Cerullo, G. and Weeghel, R. van and Besselink, G.A.J. and Vlekkert, H.H. van den (2009) Monitoring of DNA molecules in a lab on a chip with femtosecond laser written waveguides. In: 39th Winter Colloquium on The Physics of Quantum Electronics, January 4-8, 2009, Snowbird, Utah, USA (pp. p. 213).

Pollnau, M. and Dongre, C. and Hoekstra, H.J.W.M. (2011) Multi-color fluorescent DNA analysis in an optofluidic chip. In: 1st EOS Conference on Optofluidics, 23-25 May 2011, Munich, Germany (pp. Paper 4306).

Pollnau, M. and Ehrentraut, D. and Kück, S. (2002) Epitaxial growth and spectroscopic investigation of hexavalent manganese in barium sulfate. In: 13th International Conference on Luminescence, 24-29 August 2002, Budapest, Hungary (pp. p. 136).

Pollnau, M. and Fedosseev, R.V. and Limberger, H.G. (2002) Sub-quadratic dependence of visible upconversion on infra-red direct luminescence decay owing to static energy-transfer upconversion. In: 13th International Conference on Luminescence, 24-29 August 2002, Budapest, Hungary (pp. p. 98).

Pollnau, M. and Geskus, D. and Bernhardi, E.H. and Dalfsen, K. van and Wörhoff, K. and Ridder, R.M. de (2012) Highly efficient solid-state waveguide lasers. In: Advanced Solid-State Photonics, ASSP 2012 - Semiconductor and Waveguide Lasers, 29 January - 3 February 2012, San Diego, CA, USA (pp. AM5A.1).

Pollnau, M. and Geskus, D. and Dalfsen, K. van and Garcia Blanco, S.M. and Aravazhi, S. (2011) Highly efficient lasers and amplifiers in double tungstates. In: Joint Annual Meeting of the Swiss Physical Society and the Austrian Physical Society, 15-17 June 2011, Lausanne, Switzerland (pp. Paper 627).

Pollnau, M. and Ghisler, C. and Lüthy, W. and Weber, H.P. (1998) Excited-state absorption in ZBLAN:Er3+: implications for a diode-pumped 3-µm fiber laser. In: Conference on Lasers and Electro-Optics Europe, 1998 CLEO/Europe, 14-18 September 1998, Glasgow, Scotland (pp. p. 375).

Pollnau, M. and Golding, P.S. and Jackson, S.D. and King, T.A. (2000) Energy recycling versus lifetime quenching in erbium-doped 3-µm fiber lasers. In: Conference on Lasers and Electro-Optics, CLEO 2000, 10-15 September 2000, Nice, France (pp. CTuK41).

Pollnau, M. and Hammer, M. and Dongre, C. and Hoekstra, H.J.W.M. (2014) Sub-base-pair resolution during DNA separation in an optofluidic chip. In: Micro and Nano Engineering 2014, 22-26 September 2014, Lausanne, Switzerland (pp. p. 26).

Pollnau, M. and Heumann, E. and Heine, F. and Danger, T. and Lüthy, W. and Huber, G. and Weber, H.P. (1994) Population mechanisms of the room-temperature 551 nm Er:LiYF4 laser. In: Conference on Lasers and Electro-Optics, Europe, CLEO '94, Aug. 28 - Sept. 2, 1994, Amsterdam, The Netherlands (pp. pp. 130-131).

Pollnau, M. and Laversenne, L. and Limberger, H.G. and Bigotta, S. and Toncelli, A. and Tonelli, M. (2004) Superquadratic behavior of upconversion luminescence transients in rare-earth-ion doped laser crystals. In: EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources, 29 Aug - 3 Sep 2004, Lausanne, Switzerland (pp. TuD6).

Pollnau, M. and Lüthy, W. and Weber, H.P. (1996) Erbium 3-µm lasers: Concepts of energy recycling. In: Conference on Lasers and Electro-Optics, CLEO 1996, 8-13 September 1996, Hamburg, Germany (pp. p. 131).

Pollnau, M. and Lüthy, W. and Weber, H.P. (1994) Influence of normal and inverse upconversion processes on the continuous wave operation of the Er3+ 3 µm crystal laser. In: Advanced Solid State Lasers, 7-9 February 1994, Salt Lake City, UT (pp. pp. 163-167).

Pollnau, M. and Lüthy, W. and Weber, H.P. (1995) The possibilities and limits of avalanche lasing on the green Er3+:LiYF4 transition. In: Advanced Solid State Lasers, 30 January - 1 February 1995, Memphis, TN (pp. pp. 523-527).

Pollnau, M. and Lüthy, W. and Weber, H.P. and Krämer, K. and Güdel, H.U. and McFarlane, R.A. (1996) Excited-state dynamics in the low-phonon materials Er3+:BaY2F8 and Cs3Er2Br9. In: Advanced Solid State Lasers, 31 January - 2 February 1996, San Francisco, CA (pp. pp. 493-497).

Pollnau, M. and Schneider, J. and Unrau, U.B. and Lüthy, W. and Weber, H.P. (1996) Pr3+ co-doped 2.8-µm erbium fiber laser. In: Conference on Lasers and Electro-Optics, CLEO 1996, 8-13 September 1996, Hamburg, Germany (pp. p. 131).

Pollnau, M. and Dongre, C. and Pham, S.V. and Bernhardi, E.H. and Wörhoff, K. and Ridder, R.M. de and Hoekstra, H.J.W.M. (2012) Optical bio-sensors in microfluidic chips. In: MRS Fall Meeting, 25-30 November 2012, Boston, MA, USA (pp. 486-XX9.01).

Pollnau, M. and Eichhorn, M. (2013) Theory of lasing resonators: Quality factor and line width. In: XXI International Workshop on Optical Wave & Waveguide Theory and Numerical Modelling, OWTNM 2013, 19-20 April 2013, Enschede, the Netherlands (pp. O-2.1).

Pollnau, M. (2013) Fundamental lessons on upconversion spectroscopy in rare-earth ions. In: Fourth International Workshop on Advanced Spectroscopy and Optical Materials, 14-19 July 2013, Gdansk, Poland (pp. p. 18).

Pollnau, Markus (2007) Dielectric Waveguide lasers. In: International Conference on Lasers, Applications, and Technologies 2007: Advanced Laser Systems, 28 May - 1 June 2007, Minsk, Belarus.

Pollnau, Markus (2005) Optical amplification in photonic integrated circuits. In: 12th European Conference on Integrated Optics, ECIO 2005, 6-8 April 2005, Grenoble, France (pp. pp. 53-57).

Pollnau, Markus (2008) Sapphire and other dielectric waveguide devices. In: 2008 IEEE LEOS Annual Meeting, 9-13 Nov 2008, Newport Beach, California, USA (pp. pp. 455-456).

Pollnau, Markus (1999) Heat generation and thermal lensing in 2.8-µm Er3+:LiYF4 lasers. In: Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim '99, 30 August - 3 September 1999, Seoul, Korea (pp. pp. 738-739).

Pollnau, Markus (2004) Sapphire and Ti:sapphire buried waveguide structures. In: 13th International Laser Physics Workshop, 12-16 July 2004, Trieste, Italy (pp. p. 209).

Pollnau, Markus (2003) Novel crystalline-waveguide broadband light sources for interferometry. In: 12th International Laser Physics Workshop, 25-29 August 2003, Hamburg, Germany (pp. p. 240).

Pollnau, Markus (2002) Broadband luminescent materials in waveguide geometry. In: 13th International Conference on Luminescence, 24-29 August 2002, Budapest, Hungary (pp. p. 13).

Pollnau, Markus (2010) Mid-infrared lasers: Challenges imposed by the population dynamics of the gain system. In: Workshop on Mid-Infrared Fiber Laser Technology, 28-29 September 2010, St. Louis, France (pp. Paper 2).

Pollnau, Markus (2011) Integrated optics - guiding light into the future. In: International Laser Physics Workshop, LPHYS 2011, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina (pp. Paper PS4).

Pollnau, Markus (2013) Impurity-doped micro-lasers. In: 2013 Energy Materials & Nanotechnology Meeting, EMN, 7-10 December 2013, Orlando, FL, USA (pp. pp. 61-62).

Pollnau, Markus (2014) Rare-earth-ion-doped dielectric waveguides on a silicon chip: Fabrication, spectroscopy, amplification, and lasing. In: International Workshop on Photoluminescence in Rare-Earths: Photonic Materials and Devices, 5th International Conference on Photoluminescence in Rare Earths PRE'14, 13-16 May 2014, San Sebastian, Spain (pp. Paper I5).

Pollnau, Markus (2014) Ultra-high gain and highly efficient lasing in rare-earth-ion-doped double tungstate channel waveguides. In: International Workshop on Photoluminescence in Rare-Earths: Photonic Materials and Devices, 5th International Conference on Photoluminescence in Rare Earths PRE'14, 13-16 May 2014, San Sebastian, Spain (pp. Paper P4).

Pollnau, Markus (2014) Ultranarrow-linewidth lasers on a silicon chip and their applications. In: 16th International Conference on Transparent Optical Networks, ICTON 2014, 6-10 July 2014, Graz, Austria (pp. Paper Mo.B.1).

Pollnau, Markus and Bernhardi, Edward H. and Wörhoff, Kerstin and Ridder, René M. de (2013) Dual-wavelength narrow-linewidth lasers and their applications. In: Advanced Solid-State Lasers Congress, ASSL 2013, 27 October - 01 November, Paris, France (pp. Paper ATu1A.6).

Pollnau, Markus and Hammer, Manfred and Dongre, Chaitanya and Hoekstra, Hugo J.W.M. (2014) Sub-base-pair resolution during DNA separation in an optofluidic chip. In: 17th European Conference on Integrated Optics, ECIO 2014, 24-27 June 2014, Nice, France.

Pollnau, Markus and Ismail, Nur and Akca, B. Imran and Wörhoff, Kerstin and Ridder, René M. de (2012) Biophotonic sensors on a silicon chip for Raman spectroscopy and optical coherence tomography. In: Silicon Photonics VII, 21-26 January 2012, San Francisco, CA, USA (pp. p. 826602).

Rivier, S. and Laversenne, L. and Bourquin, S. and Salathé, R.P. and Pollnau, M. and Grivas, C. and Shepherd, D.P. and Eason, R.W. and Flury, M. and Philipoussis, I. and Herzig, H.P. (2004) Coherent broadband light source for parallel optical coherence tomography. In: EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources, 29 Aug - 3 Sep 2004, Lausanne, Switzerland (pp. WeD5).

Rivier, S. and Mateos, X. and Petrov, V. and Griebner, U. and Romanyuk, Y.E. and Borca, C.N. and Gardillou, F. and Pollnau, M. (2007) $KY{(WO_4)}_2$:$Tm^{3+}$ planar waveguide laser. In: Technical Digest Conference on Lasers and Electro-Optics, CLEO 2007, 06-11 May 2007, Baltimore, Maryland, U.S.A. (pp. CTuII6).

Romanyuk, Y.E. and Apostolopoulos, V. and Utke, U. and Pollnau, M. (2004) Rare-earth-ion doped KY(WO4)2 optical waveguides grown by liquid-phase epitaxy. In: EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources, 29 Aug - 3 Sep 2004, Lausanne, Switzerland (pp. ThD6).

Romanyuk, Y.E. and Borca, C.N. and Pollnau, M. and Griebner, U. and Rivier, S and Petrov, V. (2005) $KY(WO_4)_2:Yb^{3+}$ planar waveguide laser. In: Technical Digest of the Conference on Lasers and Electro-Optics, CLEO 2005, 22-27 May 2005, Baltimore, Maryland, U.S.A. (pp. Paper CThI5).

Romanyuk, Y.E. and Borca, C.N. and Pollnau, M. and Rivier, S. and Petrov, V. and Griebner, U. (2005) High slope efficiency in epitaxially grown $KY(WO_4)_2:Yb^{3+}$. In: Book of Abstracts of the 14th annual International Laser Physics Workshop, 4-8 July 2005, Kyoto, Japan (pp. p. 243).

Romanyuk, Y.E. and Borca, C.N. and Pollnau, M. and Rivier, S. and Petrov, V. and Griebner, U. (2005) Surface and buried planar waveguide lasers based on $KY(WO_4)_2:Yb^{3+}$. In: Conference Digest Conference on Lasers and Electro-Optics Europe, 12-17 June 2008, Munich, Germany (pp. p. 539).

Romanyuk, Y.E. and Ehrentraut, D. and Aznar, A. and Sole, R. and Aguilo, M. and Gerner, P. and Güdel, H.U. and Pollnau, M. (2003) Liquid phase epitaxy and optical investigation of KYb(WO4)2 thin layers. In: 4th International Spring Workshop on Spectroscopy, Structure & Synthesis of Rare Earth Systems, 21-26 June 2003, Ladek Zdroj, Poland (pp. O22).

Romanyuk, Y.E. and Ehrentraut, D. and Kück, S. and Pollnau, M. (2003) Flux growth and liquid phase epitaxy of undoped and Mn6+-doped sulfates, tungstates, and molybdates. In: 15th American Conference on Crystal Growth and Epitaxy, 20-24 July 2003, Keystone, Colorado (pp. pp. 82-83).

Romanyuk, Y.E. and Ehrentraut, D. and Pollnau, M. and Kück, S. (2003) Flux growth and liquid phase epitaxy of Mn6+-doped tungstates and molybdates. In: Conference on Lasers and Electro-Optics Europe, 23-27 June 2003, Munich, Germany (pp. CG2).

Romanyuk, Y.E. and Utke, I. and Ehrentraut, D. and Pollnau, M. and Garcia-Revilla, S. and Valiente, R. and Kuleshov, N.V. (2004) Low-temperature liquid phase epitaxy of rare-earth-ion doped KY(WO4)2 thin layers. In: 12th International Conference on Vapor Growth and Epitaxy, 9-13 Aug 2004, Grenoble, France (pp. p. 404).

Schneider, J. and Frerichs, Ch. and Carbonnier, C. and Unrau, U.B. and Pollnau, M. and Lüthy, W. and Weber, H.P. (1996) Double cascade erbium fiber laser at 1.7 µm, 2.7 µm, and 1.6 µm. In: Conference on Lasers and Electro-Optics / Europe, 8-13 September 1996, Hamburg, Germany (pp. p. 329).

Sefünc, M.A. and Muilwijk, P.M. and Eachambadi, R.T. and Russo, R.F. and Wolferen, H.A.G.M. van and Sengo, G. and Bernhardi, E.H. and Pollnau, M. and Garcia Blanco, S.M. (2012) Photonic integration and fabrication technologies for on-chip active nano-devices in double tungstate gain materials. In: 17th Annual Symposium of the IEEE Photonics Benelux Chapter, 29-30 November 2012, Mons, Belgium (pp. pp. 323-326).

Spring, R. and Pollnau, M. and Wittwer, S. and Lüthy, W. and Weber, H.P. (1996) Slope efficiency of a pulsed 2.8-µm Er3+:LiYF4 laser. In: Advanced Solid State Lasers, 31 January - 2 February 1996, San Francisco, CA (pp. pp. 309-311).

Uranga, Amaia and Ay, Feridun and Bradley, Jonathan D.B. and Ridder, René M. de and Wörhoff, Kerstin and Pollnau, Markus (2007) Focused ion beam nano-structuring of photonic Bragg gratings in $Al_2O_3$ waveguides. In: IEEE/LEOS Benelux Chapter 2007, 17-18 December 2007, Brussels, Belgium (pp. pp. 247-250).

Vázquez-Córdova, S.A. and Bernhardi, E.H. and Wörhoff, K. and Garcia Blanco, S.M. and Pollnau, M. (2014) Erbium-doped spiral amplifiers with 20 dB gain on a silicon chip. In: Silicon Photonics and Photonic Integrated Circuits IV, Photonics Europe 2014, 14-17 April 2014, Brussels, Belgium (pp. Paper 913308).

Vázquez-Córdova, S.A. and Yong, Y.S. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2012) Concentration quenching of luminescence lifetime in ytterbium-doped potassium double tungstate waveguide amplifiers. In: 17th Annual Symposium of the IEEE Photonics Benelux Chapter, 29-30 November 2012, Mons, Belgium (pp. pp. 223-226).

Vázquez-Córdova, Sergio and Bernhardi, Edward H. and Wörhoff, Kerstin and Garcia Blanco, Sonia M. and Pollnau, Markus (2014) High-gain spiral amplifiers in a-Al2O3:Er3+ on a silicon chip. In: 17th European Conference on Integrated Optics, 24-27 June 2014, Nice, France (pp. Paper Tu3aR2).

Wittwer, S. and Pollnau, M. and Spring, R. and Lüthy, W. and Weber, H.P. and McFarlane, R.A. and Harder, C. and Meier, H.P. (1996) An optimized diode-pumped :BaY2F8:Er3+(7.5 %) laser at 2.8 µm. In: Conference on Lasers and Electro-Optics, CLEO 1996, 8-13 September 1996, Hamburg, Germany (pp. p. 260).

Wörhoff, K. and Ay, F. and Pollnau, M. (2006) Optimization of Low-Loss $AL_{2}O_{3}$ Waveguide Fabrication for Application in Active Integrated Optical Devices. In: Science and Technology of Dielectrics for Active and Passive Photonic Devices, 29 Oct - 3 Nov 2006, Cancun, Mexico (pp. pp. 17-26).

Wörhoff, K. and Bradley, J.D.B. and Agazzi, L. and Geskus, D. and Ay, F. and Kahn, A. and Scheife, H. and Petermann, K. and Huber, G. and Pollnau, M. (2008) Energy-transfer upconversion in $Al_2O_3:Er^{3+}$ thin layers. In: Second International Workshop on Advanced Spectroscopy and Optical Materials, 13-17 July 2008, Gdansk, Poland (pp. Paper 6-O).

Wörhoff, K. and Bradley, J.D.B. and Ay, F. and Pollnau, M. (2007) Low-loss $Al_2O_3$ waveguides for active integrated optics. In: Technical Digest Conference on Lasers and Electro-Optics, CLEO 2007, 6-11 May 2007, Baltimore, MD, USA (pp. CMW5).

Wörhoff, Kerstin and Bernhardi, Edward H. and Bradley, Jonathan D.B. and Yang, Jing and Agazzi, Laura and Ay, Feridun and Ridder, René M. de and Pollnau, Markus (2011) Rare-earth-ion doped amplifiers and lasers integrated on silicon. In: 13th International Conference on Transparent Optical Networks, ICTON 2011, 26-30 June 2011, Stockholm, Sweden.

Wörhoff, Kerstin and Bradley, Jonathan and Ay, Feridun and Geskus, Dimitri and Blauwendraat, Tom and Pollnau, Markus (2008) Optimization of $Al_2O_3:Er^{3+}$ waveguide technology for active integrated optical devices. In: Silicon Photonics and Photonic Integrated Circuits, 7-10 April 2008, Strasbourg, France (pp. p. 699618).

Wörhoff, Kerstin and Ismail, Nur and Akca, B. Imran and Pollnau, Markus and Ridder, René M. de (2011) Silicon oxynitride technology for integrated optical solutions in biomedical applications. In: 13th International Conference on Transparent Optical Networks 2011, 26-30 June 2011, Stockholm, Sweden (pp. pp. 1-4).

Yang, J. and Dalfsen, K. van and Wörhoff, K. and Ay, F. and Pollnau, M. (2010) High-Gain Al2O3:Nd3+ Integrated Waveguide Amplifiers. In: Symposium K: Rare earth doped materials for optical based technologies, 7-11 June 2010, Strasbourg (pp. p. 53).

Yang, Jing and Diemeer, Mart B.J. and Sengo, Gabriel and Pollnau, Markus and Driessen, Alfred (2009) Nd-doped polymer waveguide amplifiers at 850-930 nm. In: European Conference on Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference, CLEO Europe - EQEC 2009, 14-19 June 2009, Munich, Germany (pp. CJ7.5 THU).

Yang, J. and Ay, F. and Lamprecht, T. and Horst, F. and Offrein, B.J. and Driessen, A. and Wörhoff, K. and Pollnau, M. (2010) Al2O3:Nd3+ waveguide amplifiers for use in optical backplanes. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. CWP4).

Yang, J. and Diemeer, M.B.J. and Geskus, D. and Sengo, G. and Pollnau, M. and Driessen, A. (2008) Neodymium-complex-doped, photo-defined polymer channel waveguide amplifiers. In: 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27-28 November 2008, Enschede, The Netherlands (pp. pp. 123-126).

Yang, J. and Diemeer, M.B.J. and Hilderink, L.T.H. and Pollnau, M. and Driessen, A. (2008) Study of the luminescence properties of $Nd(TTA)_{3}$$phen-doped$ $ 6-FDA/epoxy$ waveguides. In: Proceedings of SPIE, 7-10 April 2008, Strasbourg, France (pp. p. 699925).

Yang, J. and Grivas, C. and Diemeer, M.B.J. and Driessen, A. and Pollnau, M. (2009) Nd-complex-doped polymer channel waveguide laser. In: 1st EOS Topical Meeting on Lasers, 27-30 Sept 2009, Capri, Italy (pp. p. 2312).

Yang, J. and Grivas, C. and Diemeer, M.B.J. and Driessen, A. and Pollnau, M. (2010) Continuous-wave polymer lasers. In: IV International Workshop on Photonic and Electronic Materials, 5-7 July 2010, San Sebastian, Spain (pp. p. 51).

Yang, J. and Grivas, C. and Diemeer, M.B.J. and Driessen, A. and Pollnau, M. (2010) Nd3+-doped polymer waveguide amplifiers and lasers. In: 4th EPS-QEOD Europhoton Conference on Solid-State, Fibre, and Waveguide Coherent Light Sources 2010, 30 August - 3 September 2010, Hamburg, Germany.

Yang, J. and Grivas, C. and Diemeer, M.B.J. and Driessen, A. and Pollnau, M. (2010) Continuous-wave Lasers in Polymer waveguides. In: 15th European Conference on Integrated Optics, ECIO 2010, 7-9 April 2010, Cambridge, United Kingdom (pp. WeE3).

Yang, J. and Grivas, C. and Diemeer, M.B.J. and Driessen, A. and Pollnau, M. (2011) Continuous-wave lasing in a solid polymer. In: 16th International Conference on Luminescence & Optical Sperctroscopy of Condensed Matter, 26 June - 1 July 2011, Ann Arbor, MI, USA (pp. p. 75).

Yang, J. and Lamprecht, T. and Wörhoff, K. and Driessen, A. and Horst, F. and Offrein, B.J. and Ay, F. and Pollnau, M. (2011) Integrated waveguide amplifiers for optical backplanes. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia (pp. Paper 4630).

Yang, Jing and Diemeer, Mart B.J. and Geskus, Dimitri and Sengo, Gabriël and Pollnau, Markus and Driessen, Alfred (2008) Demonstration of net gain at 1060nm in a Nd-complex-doped, photo-defined polymer channel waveguide. In: 3rd EPS-QEOD Europhoton Conference, August 31 - September 5, 2008, Paris, France (pp. TUoE.4).

Yang, Jing and Diemeer, Mart B.J. and Sengo, Gabriël and Pollnau, Markus and Driessen, Alfred (2010) Characterization of Nd-doped polymer waveguide amplifiers near 1060 and 870 nm. In: Conference on Lasers and Electro-Optics, CLEO '10, 16-21 May 2010, San Jose, CA (pp. CMQ6).

Yang, Jing and Grivas, C. and Diemeer, M.B.J. and Driessen, A. and Pollnau, M. (2011) Continuous-wave polymer lasers. In: International Laser Physics Workshop, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina (pp. Paper 4.2.1).

Yang, Jing and Grivas, Christos and Diemeer, Mart B.J. and Driessen, Alfred and Pollnau, Markus (2009) Neodymium-complex-doped steady-state polymer waveguide lasers. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2009, 5-6 November 2009, Brussels, Belgium (pp. pp. 61-64).

Yong, Y.S. and Vázquez-Córdova, S.A. and Garcia Blanco, S.M. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2012) Design of high-gain, small-footprint ytterbium-doped potassium double tungstate waveguide amplifier for short-distance optical interconnects. In: 17th Annual Symposium of the IEEE Photonics Benelux Chapter, 29-30 November 2012, Mons, Belgium (pp. pp. 239-242).

Çivitci, F. and Sengo, G. and Driessen, A. and Pollnau, M. and Hoekstra, H.J.W.M. and Annema, A.J. (2012) 45° light turning mirrors for hybrid integration of silica optical waveguides and photo-detectors. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.

Çivitci, F. and Sengo, G. and Pollnau, M. and Driessen, A. and Hoekstra, H.J.W.M. (2011) Light Turning Mirrors in SiON Optical Waveguides for Hybrid Integration with CMOS Photo-detectors. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2011, 1-2 December 2011, Ghent, Belgium (pp. pp. 105-108).

This list was generated on Thu Nov 27 05:27:33 2014 CET.