EEMCS

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

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

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 ***

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

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

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

Kuzminykh, Y. and Bär, S. and Scheife, H. and Huber, G. and Apostolopoulos, V. and Pollnau, M. (2004) Waveguiding thin Y₂O₃ films grown on sapphire substrates In: EPS-QEOD Europhoton Conference on Solid-State and Fiber Coherent Light Sources, 29 Aug - 3 Sep 2004, Lausanne, Switzerland. ThC2. Europhysics Conference Abstracts 28 C. European Physical Society. ISBN 2-914771-18-5

Pollnau, M. and Lüthy, W. and Weber, H.P. and Jensen, T. and Huber, G. and Cassanho, A. and Jenssen, H.P. and McFarlane, R.A. (1996) Investigation of diode-pumped 2.8-µm laser performance in Er:BaY₂F₈ Optics letters, 21 (1). pp. 48-50. ISSN 0146-9592 *** ISI Impact 3,316 ***

Pollnau, M. and Heumann, E. and Danger, T. and Huber, G. (1995) Experimental determination of radiative-transition rates and quantum efficiencies in Er³⁺:YAlO₃ Optics communications, 118 (3-4). pp. 250-254. ISSN 0030-4018 *** ISI Impact 1,517 ***

Pollnau, M. and Heumann, E. and Heine, F. and Danger, T. and Lüthy, W. and Huber, G. and Weber, H.P. (1994) Population mechanisms of the room-temperature 551 nm Er:LiYF₄ laser In: Conference on Lasers and Electro-Optics / Europe, 28 August - 2 September 1994, Amsterdam, The Netherlands. pp. 130-131. European Physical Society. ISBN 0-7803-1789-0

Pollnau, M. and Heumann, E. and Huber, G. (1994) Stimulated emission and excited-state absorption at room temperature on the 550 nm-laser transition in Er³⁺ doped YAlO₃ Journal of Luminescence, 60-61. pp. 842-845. ISSN 0022-2313 *** ISI Impact 1,795 ***

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

Pollnau, M. and Heumann, E. and Huber, G. (1992) Time-resolved spectra of excited-state absorption in Er³⁺ doped YAlO₃ Applied physics A (Materials science and processing), 54 (5). pp. 404-410. ISSN 0947-8396 *** ISI Impact 1,760 ***