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Author: Bradley, J.D.B.
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2011

Agazzi, L. and Bradley, J.D.B. and Ay, F. 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. Paper 5420-CT. Conference Handbook. Australian Optical Society. ISBN 978-0-9775657-7-1
Agazzi, L. and Bradley, J.D.B. 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 Jun - 01 Jul 2011, Ann Arbor, MI. Paper MH6-p.10. Conference Program. University of Michigan. ISBN not assigned
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. Paper 4.2.5. L'Phys'11 Program. General Physics Institute, Moscow. ISBN not assigned
Bradley, J.D.B. and Pollnau, M. (2011) Erbium-doped integrated waveguide amplifiers and lasers. Laser & Photonics Reviews, 5 (3). pp. 368-403. ISSN 1863-8880 *** ISI Impact 9,297 ***
Pollnau, M. and Bernhardi, E.H. and Bradley, J.D.B. and de Ridder, R.M. and Wörhoff, K. and Yang, Jing 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. Paper 214. Bulletin SPG / SSP 28. Swiss Physical Society. ISBN not assigned
Wörhoff, K. and Bernhardi, E.H. and Bradley, J.D.B. and Yang, Jing and Agazzi, L. and Ay, F. and de Ridder, R.M. and Pollnau, M. (2011) Rare-earth-ion doped amplifiers and lasers integrated on silicon. (Invited) In: 13th International Conference on Transparent Optical Networks, ICTON 2011, 26-30 June 2011, Stockholm, Sweden. pp. 1-4. IEEE. ISBN 978-1-4577-0882-4

2010

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. ThE2. IEEE Photonics Society. ISBN not assigned
Agazzi, L. and Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2010) Understanding Al2O3:Er3+ device performance In: Proceedings of the 2010 Annual Symposium of the IEEE Photonics Benelux Chapter, 18-19 November 2010, Delft, The Netherlands. pp. 261-264. IEEE Photonics Benelux Chapter. ISBN 978-90-78314-15-8
Agazzi, L. and Bradley, J.D.B. and Dijkstra, M. and Ay, F. and Roelkens, G. and Baets, R. and Wörhoff, K. and Pollnau, M. (2010) Monolithic integration of erbium-doped amplifiers with silicon-on-insulator waveguides. Optics express, 18 (26). pp. 27703-27711. ISSN 1094-4087 *** ISI Impact 3,749 ***
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:Er3+ amplifiers with Si waveguides In: Conference on Lasers and Electro-Optics, 16-21 May 2010, San Jose, CA. JWA92. Optical Society of America. ISBN 978-1-55752-889-6
Ay, F. and Bernhardi, E.H. and Agazzi, L. and Bradley, J.D.B. and Wörhoff, K. and Pollnau, M. and de Ridder, R.M. (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, 16-21 May 2010, San Jose, CA. CMQ4. Optical Society of America. ISBN 978-1-55752-889-6
Bernhardi, E.H. and Wörhoff, K. and Bradley, J.D.B. and de Ridder, R.M. 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. 5-6. E-MRS 2010 Spring Meeting. European Materials Research Society (E-MRS). ISBN not assigned
Bradley, J.D.B. and Agazzi, L. and Ay, F. and Stoffer, R. and Wörhoff, K. and Pollnau, M. (2010) Widely wavelength-selective Al2O3:Er3+ ring laser In: 15th European Conference on Integrated Optics (ECIO 2010), 7-9 April 2010, Cambridge, United Kingdom. ThE3. IEEE Photonics Society. ISBN not assigned
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 *** ISI Impact 2,095 ***
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:Er3+ integrated amplifiers In: Conference on Lasers and Electro-Optics, 16-21 May 2010, San Jose, CA. ATuB5. Optical Society of America. ISBN 978-1-55752-889-6
Bradley, J.D.B. and Stoffer, R. and Agazzi, L. and Ay, F. and Wörhoff, K. and Pollnau, M. (2010) Integrated Al2O3:Er3+ ring lasers on silicon with wide wavelength selectivity Optics letters, 35 (1). pp. 73-75. ISSN 0146-9592 *** ISI Impact 3,316 ***
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:Er3+ In: Conference on Lasers and Electro-Optics, 16-21 May 2010, San Jose, CA. CMQ2. Optical Society of America. ISBN 978-1-55752-889-6
Bradley, J.D.B. and Stoffer, R. and Bakker, A. and Agazzi, L. and Ay, F. and Wörhoff, K. and Pollnau, M. (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 *** ISI Impact 1,987 ***
Pollnau, M. and Bradley, J.D.B. and Ay, F. and Bernhardi, E.H. and de Ridder, R.M. and Wörhoff, K. (2010) On-chip integrated lasers in Al2O3:Er on silicon (Invited) In: Photonics West, 23-28 Jan 2010, San Francisco, California, USA. 76050M. Proceedings of the SPIE 7605. SPIE, the international Society for Optical Engineering. ISSN 0277-786X
Pollnau, M. and Bradley, J.D.B. and Bernhardi, E.H. and Ay, F. and de Ridder, R.M. and Wörhoff, K. (2010) Integrated amplifiers and lasers in Al2O3:Er3+ thin films on a silicon chip (Invited) In: IV International Workshop on Photonic and Electronic Materials, Scientific Program and Workshop Abstracts, 5-7 July 2010, San Sebastian, Spain. 44. Dostonia International Physics Center. ISBN not assigned
Pollnau, M. and Bradley, J.D.B. and Yang, Jing and Bernhardi, E.H. and de Ridder, R.M. and Wörhoff, K. (2010) Rare-earth-ion doped waveguide amplifiers and lasers in alumina and polymers. (Invited) In: Frontiers in Optics, FIO 2010 - Novel Hybrid Integration II, 24-28 October 2010, Rochester, NY. Paper FWD1. OSA Technical Digest. Optical Society of America. ISBN 978-1-55752-921-3
Wörhoff, K. and Bradley, J.D.B. and Agazzi, L. and Pollnau, M. (2010) Rare-earth-ion-doped Al2O3 for integrated optical amplification (Invited) In: Photonics West, 23-28 Jan 2010, San Francisco, California, USA. 760408. Proceedings of the SPIE 7604. SPIE, the international Society for Optical Engineering. ISSN 0277-786X ISBN 9780819480002

2009

Agazzi, L. and Bradley, J.D.B. and Ay, F. and Kahn, A. and Scheife, H. and Huber, G. and de Ridder, R.M. 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. CE1.3 MON. IEEE. ISBN 978-1-42444-079-5
Ay, F. and Bradley, J.D.B. and Wörhoff, K. and de Ridder, R.M. and Pollnau, M. (2009) Optical performance investigation of focused ion beam nanostructured integrated Fabry-Perot microcavities in Al2O3 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. CK.P.1 MON. IEEE Computer Society. ISBN 978-1-4244-4079-5
Ay, F. and Kauppinen, L.J. and Bradley, J.D.B. and Wörhoff, K. and de Ridder, R.M. 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 Proceedings, 2009. LEOS '09, IEEE, 4-8 Oct. 2009, Belek-Antalya, Turkey. pp. 379-380. IEEE Photonics Society. ISBN 978-1-4244-3680-4
Bradley, J.D.B. (2009) Al2O3:Er3+ as a gain platform for integrated optics PhD thesis, University of Twente. ISBN 978-90-365-2877-1
Bradley, J.D.B. and Agazzi, L. and Ay, F. and Wörhoff, K. and Pollnau, M. (2009) High-performance Al2O3:Er3+ integrated optical amplifiers (Invited) In: Proceedings of the International Laser Physics Workshop, 13-17 July 2009, Barcelona, Spain. 8.3.5. Interperiodica Publishing. ISBN not assigned
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 Al2O3:Er3+ waveguide on silicon In: Conference on Lasers and Electro-Optics, 2-4 June 2009, Baltimore, Maryland, USA. CThCC2. Optical Society of America. ISBN 978-1-55752-869-8
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. (2009) 170 GBit/s transmission in an erbium-doped waveguide amplifier on silicon. Optics Express, 17 (24). pp. 22201-22208. ISSN 1094-4087 *** ISI Impact 3,749 ***
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: Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. European Conference on, 14-19 June 2009, Munich, Germany. CI4.3 TUE. IEEE. ISBN 978-1-4244-4079-5
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-µm integrated optical applications In: Proceedings of the 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 05-06 Nov 2009, Brussels, Belgium. pp. 13-16. VUBPress Brussels University Press. ISBN 978-90-5487-650-2
Kahn, A. and Heinrich, S. and Kühn, H. and Petermann, K. and Bradley, J.D.B. and Wörhoff, K. and Pollnau, M. and Huber, G. (2009) Low threshold monocrystalline Nd:(Gd,Lu)2O3 channel waveguide laser Optics express, 17 (6). pp. 4412-4418. ISSN 1094-4087 *** ISI Impact 3,749 ***
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, 31 May - 05 June 2009, Baltimore, Maryland, USA. CTuP7. Optical Society of America. ISBN 978-1-55752-869-8
Kühn, H. and Heinrich, S. and Kahn, A. and Petermann, K. and Bradley, J.D.B. and Wörhoff, K. and Pollnau, M. and Huber, G. (2009) Monocrystalline Yb3+:(Gd,Lu)2O3 channel waveguide laser at 976.8 nm Optics letters, 34 (18). pp. 2718-2720. ISSN 0146-9592 *** ISI Impact 3,316 ***
Pollnau, M. and Bradley, J.D.B. and Agazzi, L. and Bernhardi, E.H. and Ay, F. and Wörhoff, K. and de Ridder, R.M. (2009) Al2O3:Er3+ as a new platform for active integrated optics (Invited) In: 11th International Conference on Transparent Optical Networks, ICTON '09, 28/06/2009-02/07/2009, Azores. We.D2.1. IEEE. ISBN 978-1-4244-4825-8
Pollnau, M. and Wörhoff, K. and Ay, F. and Geskus, D. and Agazzi, L. and Bradley, J.D.B. (2009) Higher gain in 977-nm-pumped Al2O3:Er3+ integrated optical amplifiers 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. CE1.4 MON. IEEE. ISBN 978-1-4244-4079-5
Wörhoff, K. and Bradley, J.D.B. and Ay, F. and Geskus, D. and Blauwendraat, T.P. and Pollnau, M. (2009) Reliable low-cost fabrication of low-loss Al2O3:Er3+ waveguides with 5.4-dB optical gain IEEE journal of quantum electronics, 45 (5). pp. 454-461. ISSN 0018-9197 *** ISI Impact 2,477 ***

2008

Agazzi, L. and Bradley, J.D.B. and Ay, F. and Kahn, A. and Scheife, H. and Petermann, K. and Huber, G. and de Ridder, R.M. and Wörhoff, K. and Pollnau, M. (2008) Upconversion spectroscopy of Al2O3:Er3+ In: Proceedings of the 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27-28 November 2008, Enschede, The Netherlands. pp. 51-53. IEEE LEOS Benelux Chapter. ISBN 978-90-365-2768-2
Agazzi, L. and Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2008) Spectroscopy and gain in Al2O3:Er waveguides In: International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, 7-11 July 2008, Lyon, France. Paper TuA2-O2. Claude Bernard Lyon 1 University. ISBN not assigned
Ay, F. and Bradley, J.D.B. and de Ridder, R.M. and Wörhoff, K. and Pollnau, M. (2008) Bragg gratings in Al2O3 channel waveguides by focused ion beam milling In: Proceedings of the 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27,28 November 2008, Enschede, The Netherlands. pp. 215-217. IEEE LEOS Benelux Chapter. ISBN 978-90-365-2768-2
Ay, F. and Uranga, A. and Bradley, J.D.B. and Wörhoff, K. and de Ridder, R.M. and Pollnau, M. (2008) Focused ion beam nano-structuring of Bragg gratings in Al2O3 channel waveguides In: Proceedings of the First Insternational Workshop on FIB for Photonics, Eindhoven, The Netherlands. pp. 48-50. University of Twente. ISBN 978-90-365-2678-4
Bradley, J.D.B. and Agazzi, L. and Geskus, D. and Ay, F. and Wörhoff, K. and Pollnau, M. (2008) Reactively co-sputtered Al2O3:Er3+ 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. 9-10. IEEE LEOS Benelux Chapter. ISBN 978-90-9023255-3
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 Al2O3 channel waveguide amplifiers In: Proceedings of the 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27-28 November 2008, Enschede, The Netherlands. pp. 131-134. IEEE LEOS Benelux Chapter. ISBN 978-90-365-2768-2
Bradley, J.D.B. and Agazzi, L. and Geskus, D. and Blauwendraat, T.P. and Ay, F. and Wörhoff, K. and Pollnau, M. (2008) Investigation of optical gain in Al2O3: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.. Paper JTuA30. Optical Society of America. ISBN 978-1-55752-859-9
Bradley, J.D.B. and Geskus, D. and Blauwendraat, T.P. 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 Al2O3:Er waveguides In: Conference Program and Technical Digest, Advanced Solid-State Photonics: Topical Meeting and Tabletop Exhibit, 27-30 January 2008, Nara, Japan. Paper WB10. Optical Society of America. ISBN 1-55752-850-0
Geskus, D. and Bradley, J.D.B. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2008) Poor man's channel waveguide laser: KY(WO4)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.. Paper CTuS4. Optical Society of America. ISBN 978-1-55752-859-9
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(WO4)2:Yb3+ In: 2008 Annual Workshop of the IEEE LEOS Benelux Chapter "Materials, Devices and Systems in Optics and Photonics, 30-05-2008, Brussels, Belgium. pp. 13-14. IEEE LEOS Benelux Chapter. ISBN 978-90-9023255-3
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)2O3 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.. Paper CTuS1. Optical Society of America. ISBN 978-1-55752-859-9
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)2O3 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. Paper THoD.2. European Physical Society. ISBN 2-914771-55-X
Kahn, A. and Kühn, H. and Heinrich, S. and Petermann, K. and Bradley, J.D.B. and Wörhoff, K. and Pollnau, M. and Kuzminykh, Y. and Huber, G. (2008) Amplification in epitaxially grown Er:(Gd,Lu)2O3 waveguides for active integrated optical devices Journal of the Optical Society of America B (Optical physics), 25 (11). pp. 1850-1853. ISSN 0740-3224 *** ISI Impact 2,095 ***
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 Al2O3:Er3+ thin layers In: Second International Workshop on Advanced Spectroscopy and Optical Materials, 13-17 July 2008, Gdansk, Poland. Paper 6-O. Institute of Experimental Physics, Gdansk University. ISBN not assigned
Wörhoff, K. and Bradley, J.D.B. and Ay, F. and Geskus, D. and Blauwendraat, T.P. and Pollnau, M. (2008) Optimization of Al2O3:Er3+ waveguide technology for active integrated optical devices In: Proceedings of SPIE, 7-10 April 2008, Strasbourg, France. 699618. International Society for Optical Engineering. ISSN 0277-786X ISBN 9780819471949

2007

Ay, F. and Bradley, J.D.B. and Hopman, W.C.L. and Gadgil, V.J. and de Ridder, R.M. and Wörhoff, K. and Pollnau, M. (2007) Focused ion beam nano-structuring of Al2O3 dielectric layers for photonic applications In: Book of Abstracts 33rd International Conference on Micro- and Nano-Engineering 2007, 23-26 September 2007, Copenhagen, Denmark. pp. 627-628. Technical University of Denmark. ISSN not assigned ISBN not assigned
Ay, F. and Bradley, J.D.B. and Wörhoff, K. and Pollnau, M. (2007) Towards rare-earth-ion-doped Al2O3 active integrated optical devices (Invited) In: Abstract Collection Booklet of the 6th International Symposium on Modern Optics and Its Applications (ISMOA 2007), 6-10 August 2007, Bandung, Indonesia. pp. 63-66. Bandung Institute of Technology. ISBN not assigned
Bradley, J.D.B. and Ay, F. and Blauwendraat, T.P. and Wörhoff, K. and Pollnau, M. (2007) Rare-earth-ion-doped Al2O3 waveguides for active integrated optical devices In: Proceedings International Conference on Lasers, Applications, and Technologies 2007: Advanced Lasers and Systems, 28 May - 1 June 2007, Minsk, Belarus. SPIE International. ISSN 0277-786X
Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2007) Reactive ion etching of low-loss channel waveguides in Al2O3 and Y2O3 layers In: Book of Abstracts 33rd International Conference on Micro- and Nano-Engineering 2007, 23-26 September 2007, Copenhagen, Denmark. pp. 375-376. Technical University of Denmark. ISBN not assigned
Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2007) Low-loss rib waveguides in Al2O3 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. CE7-6. European Physical Society. ISBN 1-42440931-4
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 *** ISI Impact 2,239 ***
Bradley, J.D.B. and Geskus, D. and Blauwendraat, T.P. and Ay, F. and Wörhoff, K. and Pollnau, M. (2007) Optimized deposition and structuring of reactively co-sputtered Al2O3:Er waveguide layers with net optical gain In: 12th Annual Symposium IEEE/LEOS Benelux, 17-18 December 2007, Brussels, Belgium. pp. 107-110. IEEE LEOS Benelux Chapter. ISBN 978-2-9600753-0-4
Geskus, D. and Bradley, J.D.B. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2007) Progress on micro-structured KY(WO4)2 waveguides for optically active devices In: 12th Annual Symposium IEEE/LEOS Benelux, 17-18 December 2007, Brussels, Belgium. pp. 103-106. IEEE LEOS Benelux Chapter. ISBN 978-2-9600753-0-4
Uranga, A. and Ay, F. and Bradley, J.D.B. and de Ridder, R.M. and Wörhoff, K. and Pollnau, M. (2007) Focused ion beam nano-structuring of photonic Bragg gratings in Al2O3 waveguides In: 12th Annual Symposium IEEE/LEOS Benelux, 17-18 December 2007, Brussels, Belgium. pp. 247-250. IEEE LEOS Benelux Chapter. ISBN 978-2-9600753-0-4
Wörhoff, K. and Bradley, J.D.B. and Ay, F. and Pollnau, M. (2007) Low-loss Al2O3 waveguides for active integrated optics In: Technical Digest Conference on Lasers and Electro-Optics, CLEO 2007, 6-11 May 2007, Baltimore, Maryland, U.S.A.. CMW5. Optical Society of America. ISBN 1-55752-834-9

2006

Ay, F. and Wörhoff, K. and Bradley, J.D.B. and Pollnau, M. (2006) Reliable fabrication of low-loss Al2O3 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. TuC2. European Physical Society. ISBN 2-914771-41-X
Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2006) AL2O3 and Y2O3 Thin Films for Active Integrated Optical Waveguide Devices In: 11th Annual Symposium IEEE/LEOS Benelux, 30 November - 1 December 2006, Eindhoven, The Netherlands. pp. 113-116. IEEE LEOS Benelux Chapter. ISBN 978-90-6144-989-8
Bradley, J.D.B. and Ay, F. and Wörhoff, K. and Pollnau, M. (2006) Reactive Ion Etching of Y2O3 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. 117-124. ECS Transactions 3 (11). The Electrochemical Society. ISBN 1-56677-515-9