Author Publications
2012
Bernhardi, E.H. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. and Pollnau, M. (2012) Photonic generation of stable microwave signals from a dual-wavelength 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 van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Bernhardi, E.H. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. and Pollnau, M. (2012) Stable microwave generation in a dual-phase-shifted distributed-feedback waveguide laser. In: Advanced Solid-State Photonics, ASSP 2012 - Semiconductor and Waveguide Lasers, 29 January - 3 February 2012, San Diego, CA, USA.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. and Pollnau, M. and Khan, M.R.H. and Roeloffzen, C.G.H. (2012) Dual-wavelength distributed feedback waveguide laser for microwave signal generation. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 April 2012, Sitges-Barcelona, Spain.
Dalfsen van, K. and Wolferen van, H.A.G.M. 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.
Dalfsen van, K. and Wolferen van, H.A.G.M. 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.
Jin, Mingliang and Wolferen van, Henk and Wormeester, Herbert and Berg van den, Albert and Carlen, Edwin T. (2012) Large-area nanogap plasmon resonator arrays for plasmonics applications. Nanoscale, 4 (15). pp. 4712-4718. ISSN 20403364
Sefünc, M.A. and Muilwijk, P.M. and Eachambadi, R.T. and Russo, R.F. and Wolferen van, H.A.G.M. 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.
Vries de, J. and Bolhuis, T. and Wolferen van, H.A.G.M. and Siekman, M.H. and Abelmann, L. (2012) Thermally induced switching field distribution of sub-micron CoPt alloy and Co/Pt multilayer islands. In: IEEE International Magnetics Conference, INTERMAG 2012, 7-11 May 2012, Vancouver, Canada.
2011
Bernhardi, E.H. and Lu, Q. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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 van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. and Pollnau, M. (2011) Highly efficient, low-threshold monolithic distributed-Bragg-reflector channel waveguide laser in AlO
:Yb
. Optics Letters, 36 (5). pp. 603-605. ISSN 0146-9592
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Ridder de, R.M. 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.
Pham, S.V. and Dijkstra, M. and Hollink, A.J.F. and Ridder de, R.M. and Wolferen van, H.A.G.M. 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.
Pham, S.V. and Dijkstra, M. and Wolferen van, H.A.G.M. 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.
Pham, S.V. and Dijkstra, M. and Wolferen van, H.A.G.M. 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 SiN
grated waveguide. In: Annual Symposium of the IEEE Photonics Benelux Chapter 2011, 1-2 December 2011, Ghent, Belgium.
Pham, S.V. and Kauppinen, L.J. and Dijkstra, M. and Wolferen van, H.A.G.M. and Ridder de, R.M. 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
Pham, So V. and Dijkstra, Meindert and Wolferen van, Henk A.G.M. 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
Sengo, G. and Wolferen van, H.A.G.M. and Driessen, A. (2011) Optimized Deep UV Curing Process for Metal-Free Dry-Etching of Critical Integrated Optical Devices. Journal of the Electrochemical Society, 158 (10). H1084-H1089. ISSN 0013-4651
Wolferen van, Henk and Abelmann, Leon (2011) Laser Interference Lithography. In: Lithography: Principles, Processes and Materials. Nova Publishers, Hauppauge NY, USA, pp. 133-148. ISBN 9781611221237
2010
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Agazzi, L. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wörhoff, K. and Pollnau, M. and Ridder de, R.M. (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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Agazzi, L. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wörhoff, K. and Pollnau, M. and Ridder de, R.M. (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 van, H.A.G.M. and Agazzi, L. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wörhoff, K. and Pollnau, M. and Ridder de, R.M. (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.
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Wörhoff, K. and Pollnau, M. and Ridder de, R.M. (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 van, Henk A. and Wörhoff, Kerstin and Pollnau, Markus and Ridder de, René M. (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.
Pham, S.V. and Kauppinen, L.J. and Dijkstra, M. and Wolferen van, H.A.G.M. and Ridder de, R.M. 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.
Pham, S.V. and Kauppinen, L.J. and Dijkstra, M. and Wolferen van, H.A.G.M. and Ridder de, R.M. 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.
2009
Bernhardi, E.H. and Wolferen van, H.A.G.M. and Dijkstra, M. and Agazzi, L. and Wörhoff, K. and Pollnau, M. and Ridder de, R.M. (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.
Pham, Van So and Kauppinen, L.J. and Dijkstra, M. and Wolferen van, H.A.G.M. and Ridder de, R.M. 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.
Pham, S.V. and Kauppinen, L.J. and Dijkstra, M. and Wolferen van, H.A.G.M. and Ridder de, R.M. 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.
Pham, S.V. and Kauppinen, L.J. and Dijkstra, M. and Wolferen van, H.A.G.M. and Ridder de, R.M. 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.
Unnikrishnan, S. and Jansen, H.V. and Falke, F.H. and Tas, N.R. and Wolferen van, H.A.G.M. and Boer de, M.J. and Sanders, R.G.P. and Elwenspoek, M.C. (2009) Transition flow through an ultra-thin nanosieve. Nanotechnology, 20 (305304). pp. 1-6. ISSN 0957-4484
2008
Delalande, M.Y. and le Fèbre, A.J. and van Wolferen, H.A.G.M. and Abelmann, L. and Lodder, J.C. (2008) Magnetic properties of CoPt thin films and nanosized dots patterned by Laser Interference Lithography (LIL). In: Proceedings of the 12eme Colloque Louis Neel, 30 Sept - 3 Oct 2008, La grande Motte, France.
Pham, Van So and Kauppinen, L.J. and Hoekstra, H.J.W.M. and Dijkstra, M. and Wolferen van, H.A.G.M. and Krijnen, G.J.M. and Ridder de, R.M. (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.
2007
Luttge, R. and Wolferen van, H.A.G.M. and Abelmann, L. (2007) Laser interferometric nanolithography using a new positive chemical amplified resist. Journal of Vacuum Science & Technology B: Microelectronics and nanometer structures, 25 (6). pp. 2476-2480. ISSN 1071-1023
Sengo, Gabriel and Wolferen van, Henk A.G.M. and Wörhoff, Kerstin and Driessen, Alfred (2007) Optimized Deep UV hardbake process for metal-free dry-etching of integrated optical devices. In: European Conference on Integrated Optics, ECIO 2007, 25-27 April 2007, Copenhagen, Denmark.
2006
Sengo, G. and Wolferen, H. and Wörhoff, K. and Driessen, A. (2006) Metal mask free dry-etching process for integrated optical devices applying highly photostabilized resist. In: IEEE/LEOS Benelux Chapter 2006 Annual Symposium, November 30 - December 1, 2006, Eindhoven, The Netherlands.
2005
Murillo, R. and Wolferen, H.A. and Abelmann, L. and Lodder, J.C. (2005) Fabrication of patterned magnetic nanodots by laser interference lithography. Microelectronic Engineering, 78-79 . pp. 260-265. ISSN 0167-9317
Soest van, Frank J. and Wolferen van, Henk A.G.M. and Hoekstra, Hugo J.W.M. and Ridder de, René M. 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.
Soest van, Frank J. and Wolferen van, Henk A.G.M. and Hoekstra, Hugo J.W.M. and Ridder de, René M. 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
Prodan, L. and Euser, T.G. and Wolferen van, H.A.G.M. and Bostan, C. and Ridder de, R.M. 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
2003
Soest van, Frank J. and Wolferen van, Henk A.G.M. and Hoekstra, Hugo J.W.M. and Ridder de, René M. 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.
2002
Bostan, C.G. and Ridder de, R.M. and Dorssen van, I. and Wolferen van, H.A.G.M. and Kuipers, L. and Hulst van, N.F. (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.
Kuiper, Stein and Rijn van, Cees and Nijdam, Wietze and Raspe, Onno and Wolferen van, Henk and Krijnen, Gijs and Elwenspoek, Miko (2002) Filtration of lager beer with microsieves: flux, permeate, haze and in-line microscope observations. Journal of Membrane Science, 196 (2). pp. 159-170. ISSN 0376-7388
Ridder de, René M. and Bostan, Cazimir G. and Wolferen van, Henk A.G.M. and Dorssen van, Inge and Vogelaar, Laura and Segerink, Frans B. and Kuipers, Laurens and Hulst van, Niek F. (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.
2001
Kuiper, Stein and Wolferen van, Henk and Rijn van, Cees and Nijdam, Wietze and Krijnen, Gijs and Elwenspoek, Miko (2001) Fabrication of microsieves with sub-micron pore size by laser interference lithography. Journal of Micromechanics and Microengineering, 11 (1). pp. 33-37. ISSN 0960-1317
Vogelaar, Laura and Nijdam, Wietze and Wolferen van, Henk A.G.M. and Ridder de, René M. and Segerink, Frans B. and Flück, Eliane and Kuipers, Laurens and Hulst van, Niek F. (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
1999
Rijn van, Cees J.M. and Nijdam, Wietze and Kuiper, Stein and Veldhuis, Gert J. and Wolferen van, Henk and Elwenspoek, Miko (1999) Microsieves made with laser interference lithography for micro-filtration applications. Journal of Micromechanics and Microengineering, 9 (2). pp. 170-172. ISSN 0960-1317
1998
Rijn van, C.J.M. and Nijdam, W. and Kuiper, S. and Veldhuis, G.J. and Wolferen van, H.A.G.M. and Elwenspoek, M.C. (1998) Microsieves made with laser interference lithography for micro filtration applications. In: Proceedings of the Micromechanics Europe 1998 Conference (MME).