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5 March 2021 Experimental demonstration of a cooled silica fiber amplifier
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Abstract
We will report the first demonstration of an optically cooled fiber amplifier. The fiber was made of silica, had a core doped with Yb, and was core-pumped to achieve both gain and cooling in the core via anti-Stokes fluorescence. Gains larger than 10 dB were measured while maintaining a negative average temperature change along the fiber.
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Jennifer M. Knall, Magnus Engholm, Tommy Boilard, Martin Bernier, and Michel J. F. Digonnet "Experimental demonstration of a cooled silica fiber amplifier", Proc. SPIE 11702, Photonic Heat Engines: Science and Applications III, 1170209 (5 March 2021); https://doi.org/10.1117/12.2589941
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