Design of high-efficiency semiconductor disk lasers

Peter Unger; Alexander Hein; Frank Demaria; Susanne Menzel; Markus Rampp; Andreas Ziegler

doi:10.1117/12.2003818

26 February 2013 Design of high-efficiency semiconductor disk lasers

Peter Unger, Alexander Hein, Frank Demaria, Susanne Menzel, Markus Rampp, Andreas Ziegler

Proceedings Volume 8606, Vertical External Cavity Surface Emitting Lasers (VECSELs) III; 860602 (2013) https://doi.org/10.1117/12.2003818
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

The design of optically pumped semiconductor disk lasers is discussed with emphasis on the optimization for high power conversion e_ciencies. Main topics are the compensation of strain in the epitaxial layer sequence, the realization of a low-absorption Bragg reector which has a high reectivity for pump and laser wavelength and a low thermal resistance, and the e_ect of a surface coating reducing optical losses inside the semiconductor disk. As an alternative concept, quantum-well pumping may be more e_cient because of the reduced quantum defect. E_cient intra-cavity second-harmonic generation can be obtain in folded cavity setups.

Citation Download Citation

Peter Unger, Alexander Hein, Frank Demaria, Susanne Menzel, Markus Rampp, and Andreas Ziegler "Design of high-efficiency semiconductor disk lasers", Proc. SPIE 8606, Vertical External Cavity Surface Emitting Lasers (VECSELs) III, 860602 (26 February 2013); https://doi.org/10.1117/12.2003818

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