11W Broad Area 976nm DFB Lasers with 58% Efficiency

C.M. Schultz, P. Crump, H. Wenzel, O. Brox, A. Maaßdorf, G. Erbert and G. Tränkle

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

Published in:
Conf. on Lasers and Electro-Optics (CLEO/QELS), San Jose, CA, May 16-21, paper CWE1 (2010).
© 2010 OSA/CLEO/QELS. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the OSA/CLEO/QELS.

Abstract:
Optimized 976nm DFB lasers have peak power conversion efficiency of 58%, peak power of 11W, linewidth of ~ 0.4nm and vertical far-field FWHM 28°. A comparison with Fabry-Pérot lasers to the same design is presented.

OCIS Codes:
(140.5960) Semiconductor lasers; (140.3490) Lasers, distributed-feedback

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