Dr. Ansgar Laubsch Profile

Dr. Ansgar Laubsch

at ams-OSRAM International GmbH

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Author

Publications (4)

Proceedings Article | 8 May 2008 Paper

Spectral measurements and simulations of 405 nm (Al, In)GaN test laser structures grown on SiC and GaN substrate

Tobias Meyer, Harald Braun, Ulrich Schwarz, Désirée Queren, Marc Schillgalies, Stefanie Brüninghoff, Ansgar Laubsch, Uwe Strauß

Proceedings Volume 6997, 699708 (2008) https://doi.org/10.1117/12.781277

KEYWORDS: Silicon carbide, Gallium nitride, Semiconductor lasers, Laser damage threshold, Quantum wells, Optical simulations, Waveguides, Electroluminescence, Indium gallium nitride, Aluminum

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Proceedings Article | 8 May 2008 Paper

Measurement and simulation of the lateral mode profile of broad ridge 405 nm (Al,In)GaN laser diodes

Harald Braun, Dominik Scholz, Tobias Meyer, Ulrich Schwarz, Désirée Queren, Marc Schillgalies, Stefanie Brüninghoff, Ansgar Laubsch, Uwe Strauß

Proceedings Volume 6997, 69971U (2008) https://doi.org/10.1117/12.781314

KEYWORDS: Waveguides, Refractive index, Semiconductor lasers, Temperature metrology, Modes of laser operation, Near field optics, Near field scanning optical microscopy, Optical simulations, Thermal effects, Superposition

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Proceedings Article | 13 February 2007 Paper

Measurement of the internal quantum efficiency of InGaN quantum wells

A. Laubsch, M. Sabathil, G. Bruederl, J. Wagner, M. Strassburg, E. Baur, H. Braun, U. Schwarz, A. Lell, S. Lutgen, N. Linder, R. Oberschmid, B. Hahn

Proceedings Volume 6486, 64860J (2007) https://doi.org/10.1117/12.700829

KEYWORDS: Quantum wells, Gallium nitride, Indium gallium nitride, Temperature metrology, Doping, Light emitting diodes, Luminescence, Internal quantum efficiency, Electron holes, Magnesium

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Proceedings Article | 13 February 2007 Paper

Self-consistent modeling of resonant PL in InGaN SQW LED-structure

M. Sabathil, A. Laubsch, N. Linder

Proceedings Volume 6486, 64860V (2007) https://doi.org/10.1117/12.700461

KEYWORDS: Quantum wells, Indium gallium nitride, Electrons, Electroluminescence, Light emitting diodes, Doping, Luminescence, Absorption, Indium, Data modeling

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