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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 24 — Dec. 15, 2013
  • pp: 5474–5477

High-power passively Q-switched thulium fiber laser with distributed stimulated Brillouin scattering

Yulong Tang, Xiaohui Li, and Qi Jie Wang  »View Author Affiliations

Optics Letters, Vol. 38, Issue 24, pp. 5474-5477 (2013)

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We report a novel passively Q-switched 2 μm Tm3+ fiber laser simply by distributed stimulated Brillouin scattering with an all-fiber configuration. The maximum output power is 2.49 W with an optical-to-optical slope efficiency of 12%, and the laser wavelength is centered at 1991nm with a spectral width of >10nm. The single pulse energy can be over 50 μJ with a pulse width of about 20 ns, and the pulse repetition rate can be tuned from several kilohertz to tens of kilohertz by changing the pump power. To the best of our knowledge, this is the highest-average-power passively Q-switched 2 μm Tm3+ fiber laser in the nanosecond regime.

© 2013 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3540) Lasers and laser optics : Lasers, Q-switched
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Lasers and Laser Optics

Original Manuscript: October 4, 2013
Revised Manuscript: November 11, 2013
Manuscript Accepted: November 14, 2013
Published: December 13, 2013

Yulong Tang, Xiaohui Li, and Qi Jie Wang, "High-power passively Q-switched thulium fiber laser with distributed stimulated Brillouin scattering," Opt. Lett. 38, 5474-5477 (2013)

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