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Optics Letters

Optics Letters


  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2940–2942

Blue laser via IR resonant doubling with 71% fiber to fiber efficiency

Koustubh Danekar, Ali Khademian, and David Shiner  »View Author Affiliations

Optics Letters, Vol. 36, Issue 15, pp. 2940-2942 (2011)

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We report on high efficiency resonant doubling to 486 nm using periodically poled KTP. The IR laser source is an FBG stabilized semiconductor laser with a maximum polarization maintaining (PM) fiber coupled output of 840 mW . An output power of 680 mW at 486 nm was obtained from our optimized cavity, giving net efficiency of 81%. Also, we report an 87.5% net efficiency in coupling of this blue light from the servo locked cavity into a single-mode PM fiber. This gives a total of 71% fiber to fiber efficiency. Furthermore, a wall plug efficiency of 21.4% was obtained.

© 2011 Optical Society of America

OCIS Codes
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(140.4780) Lasers and laser optics : Optical resonators
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(140.3515) Lasers and laser optics : Lasers, frequency doubled
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Nonlinear Optics

Original Manuscript: May 18, 2011
Revised Manuscript: June 27, 2011
Manuscript Accepted: June 28, 2011
Published: August 1, 2011

Koustubh Danekar, Ali Khademian, and David Shiner, "Blue laser via IR resonant doubling with 71% fiber to fiber efficiency," Opt. Lett. 36, 2940-2942 (2011)

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