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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 3 — Feb. 1, 2014
  • pp: 470–473

Resonantly pumped Tm-doped fiber laser with >90% slope efficiency

Daniel Creeden, Benjamin R. Johnson, Scott D. Setzler, and Evan P. Chicklis  »View Author Affiliations

Optics Letters, Vol. 39, Issue 3, pp. 470-473 (2014)

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We have demonstrated what we believe is the highest slope efficiency reported for a Tm-doped fiber laser operating in the 2-micron spectral region. Using a 1908 nm Tm-doped fiber laser as an in-band pump source, we generated 1.43 W of output power at 2005 nm with 81.25% optical efficiency and 90.2% slope efficiency, with respect to launched pump power. This resonant-pumping approach allowed us to examine the bleaching effects in Tm-doped fiber under resonant pumping. We also analytically show that this pumping method can scale to high power levels while maintaining high efficiency.

© 2014 Optical Society of America

OCIS Codes
(060.2270) Fiber optics and optical communications : Fiber characterization
(140.3510) Lasers and laser optics : Lasers, fiber
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: November 8, 2013
Revised Manuscript: December 13, 2013
Manuscript Accepted: December 14, 2013
Published: January 20, 2014

Daniel Creeden, Benjamin R. Johnson, Scott D. Setzler, and Evan P. Chicklis, "Resonantly pumped Tm-doped fiber laser with >90% slope efficiency," Opt. Lett. 39, 470-473 (2014)

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