Studies of limitations to lateral brightness in high power diode lasers using spectrally-resolved mode profiles
P. Crump, M. Ekterai, C.M. Schultz, G. Erbert and G. Tränkle
Published in:
IEEE 24th Int. Semiconductor Laser Conf. (ISLC), Palma de Mallorca, Spain, Sep 7-10 (2014).
Abstract:
Efficient DFB broad-area lasers enable spectrally-resolved measurements of lateral field profiles to high powers, indicating brightness is limited by both increasing numbers of guided modes and degradation of beam quality of low order modes.
Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, D-12489 Berlin, Germany
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