Dr. Alexander Franke Profile

Dr. Alexander Franke

at TU Berlin Institut für Festkörperphysik

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Publications (3)

Proceedings Article | 13 March 2015 Paper

Strong exciton-photon coupling in hybrid InGaN-based microcavities on GaN substrates

Serdal Okur, Alexander Franke, Fan Zhang, Vitaliy Avrutin, Hadis Morkoç, Frank Bertram, Juergen Christen, Ümit Özgür

Proceedings Volume 9363, 93632O (2015) https://doi.org/10.1117/12.2080265

KEYWORDS: Gallium nitride, Polaritons, Optical microcavities, Reflectivity, Excitons, Photons, Indium gallium nitride, Quantum wells, Luminescence, Temperature metrology

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Proceedings Article | 21 February 2011 Paper

Brightness and power scaling of diode-based light sources

E. Deichsel, P. Heist, L. Wagner, A. Franke, E. Werner

Proceedings Volume 7918, 79180N (2011) https://doi.org/10.1117/12.879071

KEYWORDS: Fiber couplers, Light sources, Modulation, Temperature metrology, Semiconductor lasers, Fiber coupled lasers, Infrared cameras, Electro optics, Fiber lasers, Continuous wave operation

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Proceedings Article | 18 February 2010 Paper

Roadmap to low cost high brightness diode laser power out of the fiber

D. Schröder, E. Werner, A. Franke, L. Wagner, G. Bonati, F. Dörfel, H. Ziemer, A. Liem, T. Gabler

Proceedings Volume 7583, 758309 (2010) https://doi.org/10.1117/12.845841

KEYWORDS: Semiconductor lasers, Fiber lasers, Fiber couplers, Laser marking, Heatsinks, Diodes, Fiber coupled lasers, Laser systems engineering, Mirrors, Collimation

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