Design and realization of high-power DFB lasers

H. Wenzel; A. Klehr; M. Braun; F. Bugge; G. Erbert; J. Fricke; A. Knauer; P. Ressel; B. Sumpf; M. Weyers; G. Traenkle

doi:10.1117/12.569039

20 December 2004 Design and realization of high-power DFB lasers

H. Wenzel, A. Klehr, M. Braun, F. Bugge, G. Erbert, J. Fricke, A. Knauer, P. Ressel, B. Sumpf, M. Weyers, G. Traenkle

Proceedings Volume 5594, Physics and Applications of Optoelectronic Devices; (2004) https://doi.org/10.1117/12.569039
Event: Optics East, 2004, Philadelphia, Pennsylvania, United States

Abstract

The development of high-power GaAs-based ridge wave guide distributed feedback lasers is described. The lasers emit between 760 nm and 980 nm either in TM or TE polarization. Over a large current range, the lasers exhibit stable operation in a single transversal and longitudinal mode. A maximum continuous-wave output power of about 400 mW, a spectral linewidth below 1 MHz and a side mode suppression ratio greater than 50 dB have been demonstrated at room temperature. The distributed feedback is provided by first or second order gratings, formed in an InGaP/GaAsP/InGaP multilayer structure embedded into the p-AlGaAs cladding layer. Applications of such wavelength stabilized devices in non-linear frequency conversion, spectroscopy and for excitation of atomic transitions are discussed.

Citation Download Citation

H. Wenzel, A. Klehr, M. Braun, F. Bugge, G. Erbert, J. Fricke, A. Knauer, P. Ressel, B. Sumpf, M. Weyers, and G. Traenkle "Design and realization of high-power DFB lasers", Proc. SPIE 5594, Physics and Applications of Optoelectronic Devices, (20 December 2004); https://doi.org/10.1117/12.569039

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