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Proceedings Paper

Design and realization of high-power DFB lasers
Author(s): H. Wenzel; A. Klehr; M. Braun; F. Bugge; G. Erbert; J. Fricke; A. Knauer; P. Ressel; B. Sumpf; M. Weyers; G. Traenkle
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Paper 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.

Paper Details

Date Published: 20 December 2004
PDF: 14 pages
Proc. SPIE 5594, Physics and Applications of Optoelectronic Devices, (20 December 2004); doi: 10.1117/12.569039
Show Author Affiliations
H. Wenzel, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)
A. Klehr, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)
M. Braun, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)
F. Bugge, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)
G. Erbert, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)
J. Fricke, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)
A. Knauer, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)
P. Ressel, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)
B. Sumpf, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)
M. Weyers, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)
G. Traenkle, Ferdinand-Braun-Institut fur Hoechstfrequenztechnik (Germany)


Published in SPIE Proceedings Vol. 5594:
Physics and Applications of Optoelectronic Devices
Joachim Piprek, Editor(s)

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