Author Publications

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Number of items: 215.

2014

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).

2013

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 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 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 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 (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).

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, 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

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).

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).

2012

Abdulla, Shahina M.C. and Kauppinen, Lasse J. and Krijnen, Gijs J.M. and Ridder, R.M. de (2012) Mechano-optical wavelength tuning in a photonic crystal microcavity with sub-1 V drive voltage. Optics Letters, 37 (11). pp. 2010-2012. ISSN 0146-9592

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.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 (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 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 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 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

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).

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).

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

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

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 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 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 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).

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).

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 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.

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).

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

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, 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.

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 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 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 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 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 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).

2011

Abdulla, S.M.C. and Kauppinen, L.J. and Dijkstra, M. and Boer, M.J. de and Berenschot, E. and Jansen, H.V. and Ridder, R.M. de and Krijnen, G.J.M. (2011) Tuning a racetrack ring resonator by an integrated dielectric MEMS cantilever. Optics Express, 19 (17). pp. 15864-15878. ISSN 1094-4087

Abdulla, S.M.C. and Kauppinen, L.J. and Dijkstra, M. and Boer, M.J. de and Berenschot, E. and Ridder, R.M. de and Krijnen, G.J.M. (2011) Monolithically integrated cantilevers with self-aligned tips for wavelength tuning in a photonic crystal cavity-based channel-drop filter. Journal of Micromechanics and Microengineering, 21 (7). 0740041. ISSN 0960-1317

Abdulla, S.M.C. and Kauppinen, L.J. and Dijkstra, M. and Boer, M.J. de and Berenschot, J.W. and Ridder, R.M. de and Krijnen, G.J.M. (2011) Micro-cantilever integrated 2D photonic crystal slab waveguide for enhanced dispersion tuning. Journal of Micromechanics and Microengineering, 21 (12). p. 125010. ISSN 0960-1317

Abdulla, S.M.C. and Kauppinen, L.J. and Dijkstra, M.A. and Berenschot, J.W. and Boer, M.J. de and Ridder, R.M. de and Krijnen, G.J.M. (2011) Mechano-optical switching in a mems integrated photonic crystal slab waveguide. In: 24th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2011, 23-27 January 2011, Cancun, Mexico (pp. pp. 9-12).

Abdulla, S.M.C. and Kauppinen, L.J. and Ridder, R.M. de and Krijnen, G.J.M. (2011) Integrated self-aligned tips for dispersion tuning in a photonic crystal micro-cavity. In: 16th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS '11, 5-9 June 2011, Beijing. China (pp. pp. 2534-2537).

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.

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 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) 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) 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 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).

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 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 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 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)).

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).

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 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, 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, 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, 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, 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) 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

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).

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 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

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 Marpaung, D.A.I. and Burla, M. and Roeloffzen, C.G.H. and Bernhardi, E.H. and Ridder, R.M. de (2011) Investigation on the performance of an optically generated RF local oscillator signal in Ku-band DVB-S systems. In: XXXth URSI General Assembly and Scientific Symposium, 2011, 13-20 Aug 2011, Istanbul, Turkey (pp. pp. 1-4).

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

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.

Pham, S.V. and Dijkstra, M. and Hollink, A.J.F. and Kauppinen, L.J. and Ridder, R.M. de and Hoekstra, H.J.W.M. (2011) Lable-free Enzyme Sensing with a Si3N4 Grated Waveguide Optical Cavity. In: Conference on Lasers and Electro-Optics, CLEO 2011, 1-6 May 2011, Baltimore, Maryland, USA (pp. JWA108).

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 Kauppinen, L.J. and Dijkstra, M. and Wolferen, H.A.G.M. van and Ridder, R.M. de and Hoekstra, H.J.W.M. (2011) Read-Out of Cantilever Bending With a Grated Waveguide Optical Cavity. IEEE Photonics Technology Letters, 23 (4). pp. 215-217. ISSN 1041-1135

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 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).

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 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).

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

2010

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 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 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).

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, 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).

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 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) 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 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 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, 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).

Chakkalakkal Abdulla, S.M. and Kauppinen, L.J. and Dijkstra, M. and Boer, M.J. de and Berenschot, E. and Ridder, R.M. de and Krijnen, G.J.M. (2010) Fabrication of integrated bimorphs with self aligned tips for optical switching in 2-d photonic crystal waveguides. In: 21st Micromechanics and Micro Systems Europe Workshop, MME 2010, September 26-29, 2010, Enschede, The Netherlands.

Chakkalakkal Abdulla, S.M. and Kauppinen, L.J. and Dijkstra, M. and Boer, M.J. de and Berenschot, J.W. and Ridder, R.M. de and Krijnen, G.J.M. (2010) Mechanical tuning of optical race-track ring resonators. Procedia Engineering, 5 . pp. 424-427. ISSN 1877-7058

Chakkalakkal Abdulla, S.M. and Kauppinen, L.J. and Dijkstra, M. and Boer, M.J. de and Ridder, R.M. de and Krijnen, G.J.M. (2010) Micro bimorph cantilever switches for tuning integrated optical systems. In: The Sense of Contact 12, April 8, 2010, Zeist, The Netherlands.

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 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

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

Kauppinen, Lasse J. and Pinkert, Tjeerd J. and Hoekstra, Hugo J.W.M. and Ridder, René M. de (2010) Photonic crystal cavity-based Y splitter for mechano-optical switching. IEEE Photonics Technology Letters, 22 (13). pp. 966-968. ISSN 1041-1135

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).

Pham, S.V. and Kauppinen, L.J. and Dijkstra, M. and Wolferen, H.A.G.M. van and Ridder, R.M. de and Hoekstra, H.J.W.M. (2010) Cantilever Deflection Read-out with a Grated Waveguide Optical Cavity. In: 15th European Conference on Integrated Optics and Technical Exhibition, ECIO 2010, 6-9 April 2010, Cambridge, UK (pp. ThE6).

Pham, S.V. and Kauppinen, L.J. and Dijkstra, M. and Wolferen, H.A.G.M. van and Ridder, R.M. de and Hoekstra, H.J.W.M. (2010) Mechano-optical sensors for hydrogen gas: Fabrication and Proof of concept. In: The Sense of Contact 12, 8 April 2010, Zeist, the Netherlands.

Pham, S.V. and Kauppinen, L.J. and Ridder, R.M. de and Hoekstra, H.J.W.M. (2010) Numerical Investigation and Optimization of a Mechano-Optical Sensor based on a Grated Waveguide Optical Cavity. In: 15th Annual Symposium of the IEEE Photonics Benelux Chapter 2010, 18-19 Nov 2010, Delft, Netherlands (pp. pp. 145-148).

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 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.

2009

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.

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 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).

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).

Chakkalakkal Abdulla, S. and Berenschot, E. and Boer, M.J. de and Kauppinen, L.J. and Ridder, R.M. de and Krijnen, G.J.M. (2009) Optimisation study of micro cantilevers for switching of photonic band gap crystals. In: International Conference on Photonics in Switching, PS 2009, 15-19 September 2009, Pisa, Italy.

Gnan, M. and Hopman, W.C.L. and Bellanca, G. and Ridder, R.M. de and De La Rue, R.M. and Bassi, P. (2009) Closure of the stop-band in photonic wire Bragg gratings. Optics Express, 17 (11). pp. 8830-8842. ISSN 1094-4087

Hu, Wenbin and Hopman, Wico and Ridder, René de (2009) Focused ion beam milling of photonic crystals in silicon on insulator. Journal of Wuhan University of Technology (Wuhan Ligong Daxue Xuebao), 31 (2). pp. 73-76. ISSN 1671-4431

Hu, Wenbin and Ridder, René M. de and Tong, Xing-Lin (2009) Focused ion beam milling of photonic crystals in bulk silicon. Journal of Wuhan University of Technology (Wuhan Ligong Daxue Xuebao), 31 (1). pp. 124-127. ISSN 1671-4431

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).

Kauppinen, L.J. and Dijkstra, M. and Hoekstra, H.J.W.M. and Ridder, R.M. de (2009) Label-free Enzyme Sensing with Grated Silicon Photonic Wire. In: 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 05-06 Nov 2009, Brussels, Belgium (pp. pp. 41-44).

Kauppinen, L.J. and Hoekstra, H.J.W.M. and Ridder, R.M. de (2009) A compact refractometric sensor based on grated silicon photonic wires. Sensors and Actuators B: Chemical, 139 (1). pp. 194-198. ISSN 0925-4005

Kauppinen, L.J. and Hoekstra, H.J.W.M. and Ridder, R.M. de (2009) Refractometric sensor based on silicon photonic wires. In: EOS Topical Meeting, 27-30 Sept 2009, Capri, Italy (pp. pp. 2118-2119).

Pham, Van So and Kauppinen, L.J. and Dijkstra, M. and Wolferen, H.A.G.M. van and Ridder, R.M. de and Hoekstra, H.J.W.M. (2009) Simulation and fabrication of a mechano-optical sensor for nano-displacements. In: 1st Nano Today Conference, 2-5 Aug 2009, Biopolis, Singapore (pp. p. 33).

Pham, S.V. and Kauppinen, L.J. and Dijkstra, M. and Wolferen, H.A.G.M. van and Ridder, R.M. de and Hoekstra, H.J.W.M. (2009) Photonic crystal waveguides integrated with microcantilevers as a novel platform for gas sensors. In: 7th International Symposium on Modern Optics and Its Applications, ISMOA, 10-14 August 2009, Bandung, Indonesia (pp. p. 68).

Pham, S.V. and Kauppinen, L.J. and Dijkstra, M. and Wolferen, H.A.G.M. van and Ridder, R.M. de and Hoekstra, H.J.W.M. (2009) Fabrication of mechano-optical sensors for hydrogen gas. In: Annual Workshop on Semiconductor Advances for Future Electronics and Sensors, SAFE, 26-27 Nov 2009, Veldhoven, the Netherlands (pp. pp. 44-47).

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).

2008

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).

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, 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

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).

Hopman, Wico C.L. and Ay, Feridun and Ridder, René M. de (2008) Focused ion beam milling strategy for sub-micrometre holes in silicon. In: First International Workshop on FIB for Photonics, 13-14 June 2008, Eindhoven, the Netherlands (pp. pp. 12-15).

Hopman, Wico C.L. and Werf, Kees O. van der and Hollink, A.J.F. and Bogaerts, Wim and Subramaniam, Vinod and Ridder, René M. de (2008) Modeling and experimental verification of the dynamic interaction of an AFM-tip with a photonic crystal microcavity. IEEE Photonics Technology Letters, 20 (1). pp. 57-59. ISSN 1041-1135

Kauppinen, L.J. and Hoekstra, H.J.W.M. and Dijkstra, M. and Ridder, R.M. de and Krijnen, G.J.M. (2008) Grated waveguide optical cavity as a compact sensor for sub-nanometre cantilever deflections. In: 14th European Conference on Integrated Optics, ECIO, 11-13 June 2008, Eindhoven, The Netherlands (pp. pp. 111-114).

Kauppinen, L.J. and Hoekstra, H.J.W.M. and Dijkstra, M. and Ridder, R.M. de and Krijnen, G.J.M. (2008) Grated waveguide-based optical cavities as compact sensors for sub-nanometre cantilever deflections, and small refractive-index changes. In: 9th European Conference on Optical Chemical Sensors and Biosensors, Europtrode IX, March 30 - April 2, 2008, Dublin, Ireland (pp. P084).

Pham, Van So and Kauppinen, L.J. and Hoekstra, H.J.W.M. and Dijkstra, M. and Wolferen, H.A.G.M. van and Krijnen, G.J.M. and Ridder, R.M. de (2008) Fabrication of microcantilever-based IO grated waveguide sensors for detection of nano-displacements. In: IEEE/LEOS Benelux Chapter 2008 Annual Symposium, 27-28 November 2008, Enschede, The Netherlands (pp. pp. 155-158).

Ridder, René M. de and Hopman, Wico C.L. and Klein, Edwin J. (2008) Characterization techniques for planar optical microresonators. In: Photonic Crystals: Physics and Technology. Springer, Milano, Italy, pp. 193-216. ISBN 9788847008434

Ridder, Rene M. de and Ay, Feridun and Kauppinen, Lasse J. , eds. (2008) Proceedings of the First International Workshop on FIB for Photonics : Eindhoven, the Netherlands, 13-14 June 2008: collocated with the 14th European Conference on Integrated Optics (ECIO 2008). University of Twente, Enschede, The Netherlands. ISBN 9789036526784

2007

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).

Hopman, W.C.L. and Hoekstra, H.J.W.M. and Dekker, R. and Zhuang, L. and Ridder, R.M. de (2007) Far-field scattering microscopy applied to analysis of slow light, power enhancement, and delay times in uniform Bragg waveguide gratings. Optics Express, 15 (4). pp. 1851-1870. ISSN 1094-4087

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

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).

Hopman, Wico C.L. and Stoffer, Remco and Ridder, René M. de (2007) High-resolution measurement of resonant wave patterns by pertubing the evanescent field using a nanosized probe in a transmission scanning near-field optical microscopy configuration. Journal of Lightwave Technology, 25 (7). pp. 1811-1818. ISSN 0733-8724

Hopman, Wico C.L. and Werf, Kees O. van der and Ridder, René M. de (2007) Licht manipuleren met een nano-naaldje. Nederlands Tijdschrift voor Natuurkunde, 73 (Februa). pp. 50-53. ISSN 0926-4264

Hopman, Wico C.L. and Werf, Kees O. van der and Ridder, René M. de (2007) Mapping the field distribution of a photonic crystal resonator, using transmission SNOM. In: Conference Integrated Photonics and Nanophotonics Research and Applications (IPRNA) and Slow and Fast Light (SL) 2007: Technical Digest, 8-11 July 2007, Salt Lake City, Utah, USA (pp. IWF7-1).

Ridder, René M. de and Hopman, Wico C.L. and Ay, Feridun (2007) Focused-ion-beam processing for photonics. In: 9th International Conference on Transparent Optical Networks, ICTON 2007, 1-5 July 2007, Rome, Italy (pp. pp. 212-215).

Ridder, René M. de and Hopman, Wico C.L. and Stoffer, Remco and Werf, Kees O. van der (2007) Mapping the field distribution of a resonator in a photonic crystal slab, using transmission SNOM. In: European Conference on Integrated Optics, ECIO 2007, 25-27 April 2007, Copenhagen, Denmark (pp. FA4).

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).

Wörhoff, Kerstin and Roeloffzen, Chris G.H. and Ridder, René M. de and Driessen, Alfred and Lambeck, Paul V. (2007) Design and application of compact and highly tolerant polarization-independent waveguides. Journal of Lightwave Technology, 25 (5). pp. 1276-1283. ISSN 0733-8724

2006

Driessen, Alfred and Hoekstra, Hugo J.W.M. and Hopman, Wico C.L. and Kelderman, Henry and Lambeck, Paul V. and Lith, Joris van and Klunder, Dion J.W. and Ridder, René M. de and Krioukov, Evgueni and Otto, Cees (2006) Ultracompact Optical Sensors based on high index-contrast Photonic Structures. In: Optical Chemical Sensors. NATO Science Series, Series II: Mathematics, Physics and Chemistry, 224 . IOS Press/Springer in conjunction with the NATO Public Diplomacy Division, Dordrecht, The Netherlands, pp. 281-295. ISBN 9781402046100

Hoekstra, H.J.W.M. and Hopman, W.C.L. and Kautz, J. and Dekker, R. and Ridder, R.M. de (2006) A simple coupled mode model for near band-edge phenomena in grated waveguides. Optical and Quantum Electronics, 38 (9-11). pp. 799-813. ISSN 0306-8919

Hoekstra, H.J.W.M. and Hopman, W.C.L. and Kautz, J. and Dekker, R. and Ridder, R.M. de (2006) A simple coupled mode model for near band-edge phenomena in grated waveguides. In: Fifteenth International Workshop on Optical Waveguide Theory and Numerical Modelling, OWTNM2006, 20-21 Apr 2006, Varese, Italy (pp. p. 22).

Hopman, W.C.L. and Werf, K.O. van der and Hollink, A.J.F. and Bogaerts, W. and Subramaniam, V. and Ridder, R.M. de (2006) Interactions with a photonic crystal micro-cavity using AFM in contact or tapping mode operation. In: IEEE/LEOS Benelux Chapter 2006 Annual Symposium, November 30 - December 1, 2006, Eindhoven, The Netherlands (pp. pp. 25-28).

Hopman, W.C.L. and Dekker, R. and Yudistira, D. and Engbers, W.F.A. and Hoekstra, H.J.W.M. and Ridder, R.M. de (2006) Fabrication and characterization of high-quality uniform and apodized Si/sub 3/N/sub 4/ waveguide gratings using laser interference lithography. IEEE Photonics Technology Letters, 18 (17). pp. 1041-1135. ISSN 1041-1135

Hopman, W.C.L. and Werf, K.O. van der and Hollink, A.J.F. and Bogaerts, W. and Subramaniam, V. and Ridder, R.M. de (2006) Nano-mechanical tuning and imaging of a photonic crystal micro-cavity resonance. Optics Express, 14 (19). pp. 8745-8752. ISSN 1094-4087

Hopman, Wico C.L. and Ridder, René M. de and Selvaraja, Shankar and Bostan, Cazimir G. and Gadgil, Vishwas J. and Kuipers, Laurens and Driessen, Alfred (2006) Realization of 2-dimensional air-bridge silicon photonic crystals by focused ion beam milling and nanopolishing. In: Photonic Crystal Materials and Devices III, Photonics Europe 2006, 3-7 Apr 2006, Strasbourg, France (pp. pp. 167-173).

Ridder, René M. de and Hopman, Wico C.L. and Hoekstra, Hugo J.W.M. (2006) Characterisation of slow light in a waveguide grating. In: International Conference on Transparent Optical Networks, ICTON 2006, 18-22 Jun 2006, Nottingham, UK (pp. pp. 88-90).

Ridder, René M. de and Roeloffzen, Chris G.H. (2006) Interleavers. In: Wavelength Filters for Fibre Optics. Springer Series in Optical Sciences, 123 . Springer-Verlag, Berlin, Germany, pp. 381-432. ISBN 9783540317692

2005

Bostan, Cazimir G. and Ridder, René M. de (2005) Design of waveguides, bends and splitters in photonic crystal slabs with hexagonal holes in a triangular lattice. In: 7th International Conference on Transparent Optical Networks, ICTON 2005, 3-7 Jul. 2005, Barcelona, Spain (pp. pp. 130-135).

Bostan, Cazimir G. and Ridder, René M. de and Gadgil, Vishwas J. and Kelderman, Henry and Driessen, Alfred and Kuipers, Laurens (2005) Fast prototyping of planar photonic crystal components using a combination of optical lithography and focused ion beam etching. In: Twelfth European Conference on Integrated Optics, ECIO'05, 6-8 Apr 2005, Grenoble, France (pp. pp. 534-537).

Bostan, Cazimir G. and Ridder, René M. de and Kelderman, Henry and Driessen, Alfred (2005) Waveguides, bends and Y-junctions with improved transmission and bandwidth in hexagon-type SOI photonic crystal slabs. In: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies II, November, 24-26, 2004, Bucharest, Romania (pp. pp. 597210-1).

Hopman, W.C.L. and Yudistira, D. and Dekker, R. and Engbers, W.F.A. and Hoekstra, H.J.W.M. and Ridder, R.M. de (2005) Characterization of Slow-Light in a LIL-Fabricated Si3N4 Waveguide Grating. In: IEEE/LEOS Benelux Chapter 2005 Annual Symposium, December 1-2, 2005, Mons, Belgium (pp. pp. 109-112).

Hopman, Wico C.L. and Pottier, Pierre and Yudistira, Didit and Lith, Joris van and Lambeck, Paul V. and De La Rue, Richard M. and Driessen, Alfred and Hoekstra, Hugo J.W.M. and Ridder, René M. de (2005) Quasi-one-dimensional photonic crystal as a compact building block for refractometric optical sensors. IEEE Journal of Selected Topics in Quantum Electronics, 11 (1). pp. 11-16. ISSN 1077-260X

Soest, Frank J. van and Wolferen, Henk A.G.M. van and Hoekstra, Hugo J.W.M. and Ridder, René M. de and Wörhoff, Kerstin and Lambeck, Paul V. (2005) Laser interference lithography with highly accurate interferometric alignment. In: Twelfth European Conference on Integrated Optics, ECIO'05, 6-8 Apr 2005, Grenoble, France (pp. pp. 570-573).

Soest, Frank J. van and Wolferen, Henk A.G.M. van and Hoekstra, Hugo J.W.M. and Ridder, René M. de and Wörhoff, Kerstin and Lambeck, Paul V. (2005) Laser interference lithography with highly accurate interferometric alignment. Japanese Journal of Applied Physics, Part 1: Regular papers and short notes, 44 (9A). pp. 6568-6570. ISSN 0021-4922

2004

Hopman, Wico and Pottier, Pierre and Yudistira, Didit and Lith, Joris van and Lambeck, Paul and De La Rue, Richard and Driessen, Alfred and Hoekstra, Hugo J.W.M. and Ridder, René M. de (2004) Quasi One-Dimensional Photonic Crystals as Building Block for Compact Integrated Optical Refractometric Sensors. In: IEEE/LEOS Benelux Chapter 2004 Annual Symposium : December 2 & 3, 2004, Ghent University. Ghent University, Ghent, Belgium, pp. 223-226. ISBN 9789076546063

Hopman, Wico C.L. and Pottier, Pierre and Yudistira, Didit and Lith, Joris van and Lambeck, Paul and De La Rue, Richard and Driessen, Alfred and Hoekstra, Hugo J.W.M. and Ridder, René M. de (2004) Quasi 1-dimensional photonic crystals as building block for compact integrated optical sensors. In: 6th International Conference on Transparent Optical Networks, 2004, 4-8 July, 2004 , Wroclaw, Poland (pp. pp. 342-345).

Prodan, L. and Euser, T.G. and Wolferen, H.A.G.M. van and Bostan, C. and Ridder, R.M. de and Beigang, R. and Boller, K.-J. and Kuipers, L. (2004) Large-area two-dimensional silicon photonic crystals for infrared light fabricated with laser interference lithography. Nanotechnology, 15 (5). pp. 639-642. ISSN 0957-4484

Ridder, René M. de and Bostan, Cazimir G. and Soest, Frank J. van and Gadgil, Vishwas J. (2004) Alignment issues in photonic crystal device fabrication. In: 6th International Conference on Transparent Optical Networks, 2004, 4-8 July, 2004, Wroclaw, Poland (pp. pp. 260-266).

Wörhoff, K. and Roeloffzen, C.G.H. and Ridder, R.M. de and Sengo, G. and Hilderink, L.T.H. and Driessen, A. (2004) Tolerance of polarization independent waveguides for communication devices. In: Integrated Optics and Photonic Integrated Circuits, 27 April 2004 , Strasbourg, France (pp. pp. 369-380).

Wörhoff, K. and Roeloffzen, C.G.H. and Ridder, R.M. de and Sengo, G. and Hilderink, L.T.H. and Lambeck, P.V. and Driessen, A. (2004) Tolerance and application of polarization independent waveguide for communication devices. In: IEEE/LEOS Benelux Chapter 2004 Annual Symposium, December 2-3, 2004, Ghent, Belgium (pp. pp. 107-110).

2003

Bostan, C.G. and Ridder, R.M. de and Gadgil, V.J. and Kuipers, L. and Driessen, A. (2003) Line-Defect Waveguides in Hexagon-Hole type Photonic Crystal Slabs: Design and Fabrication using Focused Ion Beam Technology. In: IEEE/LEOS Benelux Chapter 2003 Annual Symposium, November 20-21, 2003, Enschede, The Netherlands (pp. pp. 253-256).

Soest, Frank J. van and Wolferen, Henk A.G.M. van and Hoekstra, Hugo J.W.M. and Ridder, René M. de and Wörhoff, Kerstin and Lambeck, Paul V. (2003) Laser interference lithography with highly accurate interferometric alignment. In: IEEE/LEOS Benelux Chapter 2003 Annual Symposium, November 20-21, 2003, Enschede, The Netherlands (pp. pp. 269-272).

2002

Bostan, C.G. and Ridder, R.M. de (2002) 'Hexagon-type' photonic crystal slabs based on SOI. In: IEEE/LEOS Benelux Chapter 2002 Annual Symposium, December 9, 2002, Amsterdam, The Netherlands (pp. pp. 87-90).

Bostan, C.G. and Ridder, R.M. de and Dorssen, I. van and Wolferen, H.A.G.M. van and Kuipers, L. and Hulst, N.F. van (2002) Modeling and process design for laser interference lithography used in fabricating two-dimensional periodic structures. In: 4th International Conference on Transparent Optical Networks, ICTON 2002, April 21-25, 2002, Warsaw, Poland (pp. p. 61).

Ridder, René M. de and Bostan, Cazimir G. and Wolferen, Henk A.G.M. van and Dorssen, Inge van and Vogelaar, Laura and Segerink, Frans B. and Kuipers, Laurens and Hulst, Niek F. van (2002) Fabrication of photonic crystal slabs and defects using laser interference lithography and focused ion beam-assisted depositon. In: 4th International Conference on Transparent Optical Networks, ICTON 2002, April 21-25, 2002, Warsaw, Poland (pp. pp. 14-19).

Roeloffzen, C.G.H. and Ridder, R.M. de and Sengo, G. and Wörhoff, K. (2002) Passband flattening and rejection band broadening of a periodic Mach-Zehnder wavelength filter by adding a tuned ring resonator. In: 28th European Conference on Optical Communication, ECOC, 2002, September 9-11, 2002, Copenhagen, Denmark.

Roeloffzen, Chris G.H. and Ridder, René M. de and Sengo, Gabriël and Wörhoff, Kerstin and Driessen, Alfred (2002) Passband flattened interleaver using a Mach- Zehnder interferometer with ring resonator fabricated in SiON waveguide technology. In: IEEE/LEOS Benelux Chapter 2002 Annual Symposium, December 9, 2002, Amsterdam, The Netherlands.

2001

Hussein, M.G. and Wörhoff, K. and Roeloffzen, C.G.H. and Hilderink, L.T.H. and Ridder, R.M. de and Driessen, A. (2001) Characterization of thermally treated PECVD SiON layers. In: IEEE/LEOS Benelux Chapter 2001 Annual Symposium. VUB Press, Brussel. ISBN 9789054872474

Leinse, A. and Roeloffzen, C.G.H. and Wörhoff, K. and Sengo, G. and Ridder, R.M. de and Driessen, A. (2001) Low loss fiber to chip connection system for telecommunication devices. In: IEEE/LEOS Benelux Chapter 2001 Annual Symposium, December 3, 2001, Brussels, Belgium.

Ridder, René M. de and Stoffer, Remco (2001) Finite-Difference Time-Domain Modelling of Photonic Crystal Structures. In: 3rd International Conference on Transparent Optical Networks, ICTON 2001, 18-21 June 2001, Krakow, Poland (pp. pp. 22-25).

Vogelaar, Laura and Nijdam, Wietze and Wolferen, Henk A.G.M. van and Ridder, René M. de and Segerink, Frans B. and Flück, Eliane and Kuipers, Laurens and Hulst, Niek F. van (2001) Large area photonic crystal slabs for visible light with waveguiding defect structures: Fabrication with focused ion beam assisted laser interference lithography. Advanced Materials, 13 (20). pp. 1551-1554. ISSN 0935-9648

2000

Roeloffzen, C.G.H. and Ridder, R.M. de and Driessen, A. (2000) Low-loss adiabatic bend using minimised chip area. In: Proceedings 2000 IEEE/LEOS Symposium Benelux Chapter. Delft University of Technology, Delft, pp. 175-178. ISBN 9789090142609

Stoffer, R. and Hoekstra, H.J.W.M. and Ridder, R.M. de and Groesen, E. van and Beckum, F.P.H. van (2000) Numerical studies of 2D photonic crystals: Waveguides, coupling between waveguides and filters. Optical and quantum electronics, 32 (6-8). pp. 947-961. ISSN 0306-8919

1999

Beelen, G. and Leijtens, X.J.M. and Linders, P. and Krijnen, G.J.M. and Driessen, A. and Diemeer, M.B.J. and Bakker, A.F. and Krijger, A.J.T. de and Ridder, R.M. de (1999) Compact polymer components for an integrated add-drop multiplexer. In: 12th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS '99, 8-11 Nov 1999, San Francisco, CA (pp. pp. 545-546).

Ridder, René M. de and Driessen, Alfred and Rikkers, Erwin and Lambeck, Paul V. and Diemeer, Mart B.J. (1999) Design and fabrication of electro-optic polymer modulators and switches. Optical Materials, 12 (2-3). pp. 205-214. ISSN 0925-3467

Ridder, R.M. de and Driessen, A. and Hoekstra, H.J.W.M. and Klunder, D.J.W. and Stoffer, R. and Balistreri, M.L.M. and Hulst, N.F. van (1999) Modelling, fabrication and characterisation of microcavities at MESA Lightwave Devices Group. In: COST 268 Workshop on Wavelength Scale Photonic Components for Telecommunications, 15-17 March, 1999, Stockholm, Sweden.

Stoffer, R. and Ridder, R.M. de and Hoekstra, H.J.W.M. and Groesen, E. van and Beckum, F.P.H. van and Driessen, A. (1999) Calculations on 2-dimensional waveguides in photonic crystals. In: 12th Annual Meeting IEEE Lasers and Electro-Optics Society, LEOS '99, 8-11 November 1999, San Francisco, USA (pp. pp. 421-422).

1998

Ridder, René M. de and Wörhoff, Kerstin and Driessen, Alfred and Lambeck, Paul V. and Albers, Hans (1998) Silicon oxynitride planar waveguiding structures for application in optical communication. IEEE Journal of Selected Topics in Quantum Electronics, 4 (6). pp. 930-937. ISSN 1077-260X

Wörhoff, Kerstin and Ridder, René M. de and Lambeck, Paul V. and Driessen, Alfred (1998) Silicon oxynitride in integrated optics. In: IEEE Lasers and Electro-Optics Society Annual Meeting, LEOS, 1-4 December 1998, Orlando, USA (pp. pp. 370-371).

1997

Wijnands, Frank and Rasmussen, Thomas and Hoekstra, Hugo J.W.M. and Povlsen, John H. and Ridder, René M. de (1997) Efficient Semivectorial Mode Solvers. IEEE Journal of Quantum Electronics, 1997 (3). pp. 367-374. ISSN 0018-9197

1995

Ridder, René M. de and Wijbrans, Rokus A. and Albers, Hans and Aukema, Jacob S. and Lambeck, Paul V. and Hoekstra, Hugo J.W.M. and Driessen, Alfred (1995) A spot-size transformer for fiber-chip coupling in sensor applications at 633 nm in silicon oxynitride. In: 8th Annual Meeting Conference of the Lasers and Electro-Optics Society, LEOS , 30-31 October 1995, San Francisco, CA , USA (pp. pp. 86-87).

Wijnands, Frank and Hoekstra, Hugo J.W.M. and Krijnen, Gijs J.M. and Ridder, René M. de (1995) Numerical solution method of nonlinear guided modes with a finite difference complex axis beam propagation method. IEEE Journal of Quantum Electronics, 31 (5). pp. 782-790. ISSN 0018-9197

1994

Wijnands, Frank and Hoekstra, Hugo J.W.M. and Krijnen, Gijs J.M. and Ridder, René M. de (1994) Modal fields calculation using the finite difference beam propagation method. Journal of Lightwave Technology, 12 (12). pp. 2066-2072. ISSN 0733-8724

1993

Ridder, René M. de and Sander, A.F.M. and Driessen, A. and Fluitman, J.H.J. (1993) An integrated optic adiabatic TE/TM mode splitter on silicon. Journal of Lightwave Technology, 11 (11). pp. 1806-1811. ISSN 0733-8724

1992

Groenland, J.P.J. and Eijkel, C.J.M. and Fluitman, J.H.J. and Ridder, R.M. de (1992) Permalloy thin-film magnetic sensors. Sensors and Actuators A: Physical, 30 (1-2). pp. 89-100. ISSN 0924-4247

1990

Ridder, René M. de and Fluitman, Jan H. (1990) A hysteresis model for an orthogonal thin-film magnetometer. IEEE Transactions on Magnetics, 26 (4). pp. 1237-1245. ISSN 0018-9464

1988

Eijkel, Kees J.M. and Haan, Poul de and Ridder, René M. de (1988) Techniques for measuring small changes in the orientation of the easy axis in permalloy films. Review of Scientific Instruments, 59 (12). pp. 2604-2608. ISSN 0034-6748

Horsthuis, Winfried H.G. and Eijkel, Kees J.M. and Ridder, René M. de and Leeuwis, Henk (1988) Thermally induced reversible easy axis rotations in permalloy thin films. Thin Solid Films, 162 . pp. 375-382. ISSN 0040-6090

1984

Ridder, René M. de and Fluitman, Jan H. (1984) Orthogonal thin film magnetometer using the anisotropic magnetoresistance effect. IEEE Transactions on Magnetics, 20 (5). pp. 960-962. ISSN 0018-9464

This list was generated on Thu Aug 28 05:37:19 2014 CEST.