1. Spectral beam combining of a single-mode 980-nm laser array for pumping of erbium-doped fiber amplifiers.
- Author
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P. Salet, Gaelle Lucas-Leclin, G. Roger, P. Georges, P. Bousselet, C. Simonneau, D. Bayart, N. Michel, S.-C. Auzanneau, M. Calligaro, O. Parillaud, M. Lecomte, and M. Krakowski
- Abstract
With a view to improve the power level and brightness of semiconductor pump lasers, we have resorted to a scalable implementation and achieved spectral beam combining through a low-quality-factor external cavity. For that purpose, a high-power single-mode laser array emitting up to 2.1 W at 3.2 A at 980 nm has been realized, which delivers 1.5 W in external cavity. A power of 0.66 W was finally coupled into the single-mode fiber, with a coupling efficiency of 44%. Pumping experiments of an erbium-doped fiber amplifier utilizing this laser have demonstrated efficiency and noise characteristics similar to what is usually obtained with conventional sources, with the noteworthy advantage of a lower gain excursion over the C-band. [ABSTRACT FROM PUBLISHER]
- Published
- 2005
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