K.-H. Hasler

Ferdinand-Braun-Institut — Germany

Engineering · Physical Sciences

8h-index388citations21works0.02yr avg
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Research Topics

Semiconductor Lasers and Optical Devices(18), Photonic and Optical Devices(10), Solid State Laser Technologies(8), Semiconductor Quantum Structures and Devices(6), Advanced Fiber Laser Technologies(5)

Publications21 total

Numerical study of high-power semiconductor lasers for operation at sub-zero temperatures
Semiconductor Science and Technology·2017· 13 cited
Comparative theoretical and experimental studies of two designs of high-power diode lasers
Semiconductor Science and Technology·2014· 74 cited
High efficiency, 8W narrow-stripe broad-area lasers with in-plane beam-parameter-product below 2 mm mrad
2013· 3 cited
Factors influencing the brightness and beam quality of tapered laser diodes and bars
2012· 2 cited
Mode transitions in distributed Bragg reflector semiconductor lasers: experiments, simulations and analysis
Journal of Physics B Atomic Molecular and Optical Physics·2011· 31 citedOpen Access
Improving the modulation efficiency of high-power distributed Bragg reflector tapered diode lasers
Applied Physics B·2010· 8 cited
High-peak-power pulse generation with GHz repetition rate using a Q-switched 1060nm DBR tapered laser
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE·2010· 2 cited
Compact module of a frequency-doubled, CW diode laser with an output power of more than 500 mW at 531 nm and a beam quality of less than 1.3
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE·2010
12.2 W output power from 1060 nm DBR tapered lasers with narrow spectral line width and nearly diffraction limited beam quality
2009· 2 cited
1060 nm DBR tapered lasers with 12 W output power and a nearly diffraction limited beam quality
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE·2009· 30 cited
Twin-Contact 645-nm Tapered Laser With 500-mW Output Power
IEEE Photonics Technology Letters·2009· 8 cited
Single-Mode Q-Switched Pulse Generation from a Tapered DBR Laser
2009· 1 cited
Design and Simulation of Next-Generation High-Power, High-Brightness Laser Diodes
IEEE Journal of Selected Topics in Quantum Electronics·2009· 62 cited
High Modulation Efficiency Gigabit/s Modulation of Twin-Contact High-Brightness Tapered DBR Laser
IEEE Photonics Technology Letters·2008· 5 cited
Twin-contact high brightness tapered laser for high modulation efficiency high speed signal modulation
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE·2008
5-W DBR Tapered Lasers Emitting at 1060 nm With a Narrow Spectral Linewidth and a Nearly Diffraction-Limited Beam Quality
IEEE Photonics Technology Letters·2008· 54 cited
Fundamental-Lateral Mode Stabilized High-Power Ridge-Waveguide Lasers With a Low Beam Divergence
IEEE Photonics Technology Letters·2008· 79 cited
Fundamentallateral mode stabilized highpower ridgewaveguide lasers
Conference on Lasers and Electro-Optics·2007
Fundamental-lateral mode stabilized high-power ridge-waveguide lasers
2007· 4 cited
Simulation of high-power pulse generation due to modelocking in long multisection lasers
IEE Proceedings - Optoelectronics·2005· 3 cited
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Frequent Co-authors

H. Wenzel(14), Bernd Sumpf(12), G. Erbert(10), J. Fricke(8), G. Erbert(8), F. Bugge(7), G. Tränkle(6), P. Adamiec(5), P. Crump(3), P. Ressel(3), A. Klehr(3), C. H. Kwok(3), Richard V. Penty(3), I.H. White(3), M. Dallmer(2), S. Knigge(2), S. Sujecki(2), S. Bull(2), E.C. Larkins(2), Frank Dittmar(1)