Yb-free Er-doped all-fiber amplifier cladding-pumped at 976 nm with output power in excess of 100 W

Abstract : In this paper we present results on power scaling of Er-doped fiber amplifier pumped by multimode diodes at 976 nm. Using an optimized active fiber design including a 34 μm single-mode core with proper Er3+ and co-dopant concentrations we obtained an output power of 103 W at 1585 nm for a pump conversion efficiency of 37 % in an amplifier scheme. To the best of our knowledge the output power is the highest power ever reported for Er-doped fiber lasers pumped at 976 nm
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https://hal-unilim.archives-ouvertes.fr/hal-00925348
Contributeur : Raphael Jamier <>
Soumis le : mardi 7 janvier 2014 - 22:47:07
Dernière modification le : jeudi 26 juillet 2018 - 12:08:18

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  • HAL Id : hal-00925348, version 1

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V. L. Kotov, M.E. Likhachev, Mikhail M. Bubnov, O. I. Medvedkov, M.V. Yashkov, et al.. Yb-free Er-doped all-fiber amplifier cladding-pumped at 976 nm with output power in excess of 100 W. Photonics West, Feb 2014, San Francisco, United States. Paper 8961-56. ⟨hal-00925348⟩

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