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Proceedings Paper

Design of high-efficiency semiconductor disk lasers
Author(s): Peter Unger; Alexander Hein; Frank Demaria; Susanne Menzel; Markus Rampp; Andreas Ziegler
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Paper 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.

Paper Details

Date Published: 26 February 2013
PDF: 8 pages
Proc. SPIE 8606, Vertical External Cavity Surface Emitting Lasers (VECSELs) III, 860602 (26 February 2013); doi: 10.1117/12.2003818
Show Author Affiliations
Peter Unger, Ulm Univ. (Germany)
Alexander Hein, Ulm Univ. (Germany)
Frank Demaria, Ulm Univ. (Germany)
Susanne Menzel, Ulm Univ. (Germany)
Markus Rampp, Ulm Univ. (Germany)
Andreas Ziegler, Ulm Univ. (Germany)

Published in SPIE Proceedings Vol. 8606:
Vertical External Cavity Surface Emitting Lasers (VECSELs) III
Jennifer E. Hastie, Editor(s)

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