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Opt Express. 2009 Sep 14;17(19):16941-6. doi: 10.1364/OE.17.016941.

Highly stable and efficient erbium-doped 2.8 microm all fiber laser.

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  • 1Centre d'Optique, Photonique et Laser, Université Laval, Québec, Canada, G1V 0A6.


We demonstrate the efficient and stable CW laser operation at 2.824 microm of a diode-pumped erbium-doped fluoride fiber laser employing an intracore fiber Bragg grating high reflector. An output power of 5 W and an optical-to-optical conversion efficiency of 32% are reported. The temporal and spectral stability of the laser represent a significant improvement over previous work. This report paves the way to the commercialization of compact and stable fiber lasers for spectroscopic and medical applications.

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