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Research Project: MEMPHIS/APD&SPC: Advanced Photonic Devices and Sensor Photonic Crystals

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2012

Agazzi, L. and Bernhardi, E.H. and Wörhoff, K. and Pollnau, M. (2012) Impact of luminescence quenching on relaxation-oscillation frequency in solid-state lasers. Applied physics letters, 100 (1). 011109. ISSN 0003-6951 *** ISI Impact 3,820 ***

Agazzi, L. and Bernhardi, E.H. and Wörhoff, K. and Pollnau, M. (2012) Luminescence quenching in rare-earth-ion-doped Al₂O₃ lasers and its influence on relaxation oscillation frequency In: Advanced Solid-State Photonics, Poster Session 2, ASSP 2012, 29 Jan - 03 Feb 2012, San Diego, California, USA. AT4A.18. Optical Society of America. ISBN 978-1-55752-933-6

Agazzi, L. and Wörhoff, K. and Pollnau, M. (2012) Fast quenching processes and their impact on 1.5-µm amplifier performance in Al₂O₃:Er³⁺ waveguides In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 Apr 2012, Sitges/Barcelona, Spain. Paper 84. Insitut de Ciències Fotòniques. ISBN not assigned

Bernhardi, E.H. and Khan, M.R.H. and Roeloffzen, C.G.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, R.M. and Pollnau, M. (2012) Photonic generation of stable microwave signals from a dual-wavelength Al₂O₃:Yb³⁺ distributed-feedback waveguide laser Optics letters, 37 (2). pp. 181-183. ISSN 0146-9592 *** ISI Impact 3,316 ***

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, R.M. and Pollnau, M. (2012) Stable microwave generation in a dual-phase-shifted Al₂O₃:Yb³⁺ distributed-feedback waveguide laser In: Advanced Solid-State Photonics - Semiconductor and Waveguide Lasers, 29 Jan - 03 Feb 2012, San Diego, California, USA. AM5A.6. Optical Society of America. ISBN 978-1-55752-933-6

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, R.M. and Pollnau, M. and Khan, M.R.H. and Roeloffzen, C.G.H. (2012) Dual-wavelength Al₂O₃:Yb³⁺ distributed feedback waveguide laser for microwave signal generation In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 Apr 2012, Sitges/Barcelona, Spain. Paper 69. Insitut de Ciències Fotòniques. ISBN not assigned

Pollnau, M. and Geskus, D. and Bernhardi, E.H. and van Dalfsen, K. and Wörhoff, K. and de Ridder, R.M. (2012) Highly efficient solid-state waveguide lasers. (Invited) In: Advanced Solid-State Photonics, ASSP 2012 - Semiconductor and Waveguide Lasers, 29 Jan - 03 Feb 2012, San Diego, California, USA. AM5A.1. Optical Society of America. ISBN 978-1-55752-933-6

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

Agazzi, L. and Wörhoff, K. and Pollnau, M. (2011) Non-saturable absorption and its impact on amplifier performance in Al₂O₃:Er³⁺ In: Conference on Lasers and Electro-Optics, CLEO, 1-6 May 2011, Baltimore, Maryland, USA. JWA59. Optical Society of America. ISBN 978-1-55752-910-7

Agazzi, L. and Wörhoff, K. and Pollnau, M. (2011) Excitation quenching in Er³⁺-doped Al₂O₃ amplifiers In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany. Paper CE3.4. Optical Society of America. ISBN 978-1-4577-0532-8

Akça, B.I. and Nguyen, V. Duc and Kalkman, J. and van Leeuwen, T.G. and Wörhoff, K. and de Ridder, R.M. and Pollnau, M. (2011) Toward Miniaturized Optical Coherence Tomography. In: The Sense of Contact 13, April 7, 2011, Zeist, the Netherlands. FHI Federatie Van Technologiebranches. ISBN not assigned

Bernhardi, E.H. and Lu, Qi and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, R.M. and Pollnau, M. (2011) Monolithic Distributed Bragg Reﬂector Cavities in Al₂O₃ with Quality Factors Exceeding 10⁶ Photonics and Nanostructures, 9 (3). pp. 225-234. ISSN 1569-4410 *** ISI Impact 2,750 ***

Bernhardi, E.H. and Wörhoff, K. and de Ridder, R.M. 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. ATuD7(1)-ATuD7(3). Optical Society of America. ISBN 978-1-55752-905-3

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, R.M. and Pollnau, M. (2011) Highly efficient, low-threshold monolithic distributed-Bragg-reflector channel waveguide laser in Al₂O₃:Yb³⁺ Optics letters, 36 (5). pp. 603-605. ISSN 0146-9592 *** ISI Impact 3,316 ***

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, 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, 1-6 May 2011, Baltimore, Maryland, USA. CME4. Optical Society of America. ISBN 978-1-55752-910-7

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, 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. Paper CE5.2. Optical Society of America. ISBN 978-1-4577-0532-8

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, 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. Paper CJ10.4. Optical Society of America. ISBN 978-1-4577-0532-8

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, 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. Paper 4240-CT-6. Conference Handbook. Australian Optical Society. ISBN 978-0-9775657-7-1

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, 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. Paper 5420. Conference Handbook. Australian Optical Society. ISBN 978-0-9775657-7-1

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, R.M. and Pollnau, M. (2011) Efficient and ultra-narrow-linewidth integrated waveguide lasers in Al₂O₃:Yb and Al₂O₃:Er (Invited) In: International Laser Physics Workshop, LPHYS 2011, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina. Paper 4.5.3. L'Phys'11 Program. General Physics Institute, Moscow. ISBN not assigned

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, 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 Jun - 01 Jul 2011, Ann Arbor, MI. Paper MI2-p.12. Conference Program. University of Michigan. ISBN not assigned

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and de Ridder, R.M. and Pollnau, M. (2011) High-Quality Monolithic Distributed Bragg Reflector Cavities and Lasers in Alumina Channel Waveguides. In: Proceedings of the 2011 Annual Symposium of the IEEE Photonics Benelux Chapter, 1-2 December 2011, Ghent, Belgium. pp. 41-44. Proceedings of the 2011 Anual Symposium of the IEEE Photonics Benelux Chapter. Department of Information Technology, Ghent University. ISBN 978-90-76546-00-1

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. (2011) Integrated optics - guiding light into the future. (Invited) In: International Laser Physics Workshop, LPHYS 2011, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina. Paper PS4. General Physics Institute, Moscow. ISBN not assigned

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

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

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

Agazzi, L. and Wörhoff, K. and Pollnau, M. and Kahn, A. and Fechner, M. and Petermann, K. and Huber, G. (2010) Upconversion spectroscopy of Al₂O₃:Er³⁺ In: IV International Workshop on Photonic and Electronic Materials, Scientific Program and Workshop Abstracts, 5-7 July 2010, San Sebastian, Spain. 49. Dostonia International Physics Center. ISBN not assigned

Ay, F. and Geskus, D. and Iñurrategui, I. and Aravazhi, S. and Gadgil, V.J. and Wörhoff, K. and Pollnau, M. (2010) Focused Ion Beam Nanostructured Gratings in Crystalline KYW:Yb³⁺ Channel Waveguides In: Proceedings of the 2010 Annual Symposium of the IEEE Photonics Benelux Chapter, 18-19 November 2010, Delft, The Netherlands. pp. 265-268. Uitgeverij TNO. ISBN 978-90-78314-15-8

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

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Agazzi, L. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wörhoff, K. and Pollnau, M. and de Ridder, R.M. (2010) Low-threshold, single-frequency distributed-feedback waveguide laser in Al₂O₃:Er³⁺ on silicon In: Conference on Lasers and Electro-Optics, 16-21 May 2010, San Jose, CA. CTuU4. Optical Society of America. ISBN 978-1-55752-889-6

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Agazzi, L. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wörhoff, K. and Pollnau, M. and de Ridder, 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 *** ISI Impact 3,316 ***

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Agazzi, L. and Khan, M.R.H. and Roeloffzen, C.G.H. and Wörhoff, K. and Pollnau, M. and de Ridder, 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. ThE1. IEEE Photonics Society. ISBN not assigned

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Wörhoff, K. and Pollnau, M. and de Ridder, R.M. (2010) 1.7-kHz-linewidth distributed feedback laser in Al₂O₃:Er³⁺ In: Europhoton Conference, 30 Aug - 3 Sep 2010, Hamburg, Germany. Paper FrB7. Europhysics Conference Abstract 34C. European Physical Society. ISBN 2-914771-64-9

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 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 ***

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2010) Highly efficient Gd, Lu co-doped KYW:Yb³⁺ planar and channel waveguide lasers In: IV International Workshop on Photonic and Electronic Materials, Scientific Program and Workshop Abstracts, 5-7 July 2010, San Sebastian, Spain. 50. Dostonia International Physics Center. ISBN not assigned

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

Yang, Jing and Grivas, C. and Diemeer, M.B.J. and Driessen, A. and Pollnau, M. (2010) Continuous-wave polymer lasers. In: IV International Workshop on Photonic and Electronic Materials, Scientific Program and Workshop Abstracts, 5-7 July 2010, San Sebastian, Spain. 51. Dostonia International Physics Center. ISBN not assigned

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

Bernhardi, E.H. and van Wolferen, H.A.G.M. and Dijkstra, M. and Agazzi, L. and Wörhoff, K. and Pollnau, M. and de Ridder, R.M. (2009) Designing an Integrated Al₂O₃:Er³⁺ Distributed Feedback Laser In: Proceedings of the 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 05-06 Nov 2009, Brussels, Belgium. pp. 197-200. VUBPress Brussels University Press. ISBN 978-90-5487-650-2

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 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

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

2008

Bernhardi, E.H. and Bollig, C. and Forbes, A. and Esser, M.J.D. (2008) Modelling end-pumped solid state lasers. In: Proceedings of the 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27-28 November 2008, Enschede, The Netherlands. pp. 147-150. IEEE LEOS Benelux Chapter. ISBN 978-90-365-2768-2

Bernhardi, E.H. and Forbes, A. and Bollig, C. and Esser, M.J.D. (2008) Estimation of thermal fracture limits in quasi-continuous-wave end-pumped lasers through a time-dependent analytical model. Optics express, 16 (15). pp. 11115-11123. ISSN 1094-4087 *** ISI Impact 3,749 ***