75 W 40% efficiency single-mode all-fiber erbium-doped laser cladding pumped at 976 nm

V. L. Kotov; M.E. Likhachev; Mikhail M. Bubnov; O. I. Medvedkov; M.V. Yashkov; Aleksei N. Guryanov; Jérôme Lhermite; Sébastien Février; Eric Cormier

75 W 40% efficiency single-mode all-fiber erbium-doped laser cladding pumped at 976 nm

V. L. Kotov ^{1, 2} M.E. Likhachev ¹ Mikhail M. Bubnov ¹ O. I. Medvedkov M.V. Yashkov ³ Aleksei N. Guryanov ⁴ Jérôme Lhermite ⁵ Sébastien Février ² Eric Cormier ⁵

1 FORC - Fiber Optics Research Center of the Russian Academy of Sciences

2 XLIM-PHOT - Photonique Fibre et Sources Cohérentes

XLIM - XLIM : PHOT

3 Institute of Chemistry of High Purity Substances

4 Institute of Chemistry of High Purity Substances of RAS

5 CELIA - Centre d'Etudes Lasers Intenses et Applications

Abstract : Optimization of Yb-free Er-doped fiber for lasers and amplifiers cladding pumped at 976 nm was performed in this Letter. The single-mode fiber design includes an increased core diameter of 34 μm and properly chosen erbium and co-dopant concentrations. We demonstrate an all-fiber high power laser and power amplifier based on this fiber with the record slope efficiency of 40%. To the best of our knowledge, the achieved output power of 75 W is the highest power reported for such lasers.

keyword : Fibers erbium Laser amplifiers Lasers fiber

Type de document :

Article dans une revue

Domaine :

Physique [physics] / Physique [physics] / Optique [physics.optics]

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https://hal-unilim.archives-ouvertes.fr/hal-00925268
Contributeur : Raphael Jamier <>
Soumis le : mardi 7 janvier 2014 - 17:53:52
Dernière modification le : jeudi 26 juillet 2018 - 12:08:17

75 W 40% efficiency single-mode all-fiber erbium-doped laser cladding pumped at 976 nm

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75 W 40% efficiency single-mode all-fiber erbium-doped laser cladding pumped at 976 nm

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