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Proceedings Paper

High-brightness spectrally combined array of 980-nm single-mode emitters
Author(s): Nicolas Michel; Michel Calligaro; Michel Lecomte; Olivier Parillaud; Michel Krakowski; Paul Salet; Gaëlle Lucas-Leclin; Patrick Georges; Philippe Bousselet; Christian Simonneau; Dominique Bayart
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Paper Abstract

We have developed an array of ten uncoupled, single-mode ridge-waveguide lasers for spectral beam combining at 980 nm, which are based on an aluminium-free active region. Single emitters deliver 0.4 W CW at 0.7 A with an M2 beam quality factor of 1.6. The array has an output power of 2.1 W CW at 3.15 A. The maximum wall-plug efficiency is 48%. Spectral beam combining is achieved through a low-quality-factor external cavity. We extract more than 1.5 W from the cavity with a good beam quality. The ten peak wavelengths range between 968 and 982 nm. The source was validated by pumping an EDFA with similar results as a single wavelength source.

Paper Details

Date Published: 17 March 2005
PDF: 9 pages
Proc. SPIE 5711, High-Power Diode Laser Technology and Applications III, (17 March 2005); doi: 10.1117/12.590599
Show Author Affiliations
Nicolas Michel, Thales Research and Technology (France)
Alcatel-Thales III-V Lab. (France)
Michel Calligaro, Thales Research and Technology (France)
Alcatel-Thales III-V Lab. (France)
Michel Lecomte, Thales Research and Technology (France)
Alcatel-Thales III-V Lab. (France)
Olivier Parillaud, Thales Research and Technology (France)
Alcatel-Thales III-V Lab. (France)
Michel Krakowski, Thales Research and Technology (France)
Alcatel-Thales III-V Lab. (France)
Paul Salet, Lab. Charles Fabrey, CNRS and Univ. Paris-Sud (France)
Gaëlle Lucas-Leclin, Lab. Charles Fabrey, CNRS and Univ. Paris-Sud (France)
Patrick Georges, Lab. Charles Fabrey, CNRS and Univ. Paris-Sud (France)
Philippe Bousselet, Alcatel Research & Innovation (France)
Christian Simonneau, Alcatel Research & Innovation (France)
Dominique Bayart, Alcatel Research & Innovation (France)


Published in SPIE Proceedings Vol. 5711:
High-Power Diode Laser Technology and Applications III
Mark S. Zediker, Editor(s)

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