Design of high-efficiency semiconductor disk lasers
2013
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.
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