Yellow laser emission at 578 nm by frequency doubling with diode lasers of high radiance at 1156 nm

R. Bege, G. Blume, D. Jedrzejczyk, K. Paschke, D. Feise, J. Hofmann, F. Bugge, G. Tränkle

Published in:

Appl. Phys. B, vol. 123, p. 123:109 (2017).

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For the first time, we demonstrate diode lasers consisting of a single quantum-well, which emit at 1156 nm. Ridge waveguide lasers and tapered lasers of this structure contain a monolithically integrated distributed Bragg reflector grating. Step-stress tests of both laser types demonstrate long lifetimes. The radiation of the laser sources is utilized for second-harmonic generation in a single-pass configuration with a 15.5 mm long MgO-doped periodically poled LiNbO3 ridge waveguide crystal. Optical output powers of up to 0.86 W are achieved at 578 nm.

Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, D-12489 Berlin, Germany