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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 38, Iss. 13 — Jul. 1, 2013
  • pp: 2230–2232

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

L. V. Kotov, M. E. Likhachev, M. M. Bubnov, O. I. Medvedkov, M. V. Yashkov, A. N. Guryanov, J. Lhermite, S. Février, and E. Cormier  »View Author Affiliations


Optics Letters, Vol. 38, Issue 13, pp. 2230-2232 (2013)
http://dx.doi.org/10.1364/OL.38.002230


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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.

© 2013 Optical Society of America

OCIS Codes
(060.2410) Fiber optics and optical communications : Fibers, erbium
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 22, 2013
Revised Manuscript: May 27, 2013
Manuscript Accepted: May 27, 2013
Published: June 24, 2013

Citation
L. V. Kotov, M. E. Likhachev, M. M. Bubnov, O. I. Medvedkov, M. V. Yashkov, A. N. Guryanov, J. Lhermite, S. Février, and E. Cormier, "75 W 40% efficiency single-mode all-fiber erbium-doped laser cladding pumped at 976 nm," Opt. Lett. 38, 2230-2232 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-13-2230


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