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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 14 — Jul. 15, 2013
  • pp: 2431–2433

Resonantly pumped single-mode channel waveguide Er:YAG laser with nearly quantum defect limited efficiency

N. Ter-Gabrielyan, V. Fromzel, X. Mu, H. Meissner, and M. Dubinskii  »View Author Affiliations

Optics Letters, Vol. 38, Issue 14, pp. 2431-2433 (2013)

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We demonstrated the continuous-wave operation of a resonantly pumped Er:YAG single-mode channel waveguide laser with diffraction-limited output and nearly quantum defect limited efficiency. Using a longitudinally core-pumped, nearly square (61.2μm×61.6μm) Er3+:YAG waveguide embedded in an undoped YAG cladding, an output power of 9.1 W with a slope efficiency of 92.8% (versus absorbed pump power) has been obtained. To the best of our knowledge, this optical-to-optical efficiency is the highest ever demonstrated for a channel waveguide laser.

© 2013 Optical Society of America

OCIS Codes
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3580) Lasers and laser optics : Lasers, solid-state
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Lasers and Laser Optics

Original Manuscript: April 19, 2013
Revised Manuscript: May 31, 2013
Manuscript Accepted: June 8, 2013
Published: July 5, 2013

N. Ter-Gabrielyan, V. Fromzel, X. Mu, H. Meissner, and M. Dubinskii, "Resonantly pumped single-mode channel waveguide Er:YAG laser with nearly quantum defect limited efficiency," Opt. Lett. 38, 2431-2433 (2013)

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