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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 18 — Sep. 15, 2010
  • pp: 3114–3116

Stimulated Brillouin scattering suppression through laser gain competition: scalability to high power

Iyad Dajani, Clint Zeringue, Chunte Lu, Christopher Vergien, Leanne Henry, and Craig Robin  »View Author Affiliations


Optics Letters, Vol. 35, Issue 18, pp. 3114-3116 (2010)
http://dx.doi.org/10.1364/OL.35.003114


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Abstract

We demonstrate stimulated Brillouin scattering (SBS) suppression in a Yb-doped fiber amplifier by seeding with a combination of broad- and single-frequency laser beams that are separated sufficiently to suppress four-wave mixing and to allow for efficient laser gain competition between the two signals. In the experiment, a monolithic fiber configuration was used. With appropriate selection of seed power ratio, we were able to generate single-frequency 1064 nm light with a slope efficiency of 78% while simultaneously suppressing the backscattered Stokes light. We discuss scalability to high power wherein a large thermal gradient can be induced at the output end of the fiber via quantum defect heating, leading to an SBS suppression factor comparable to counterpumping.

© 2010 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(290.5900) Scattering : Scattering, stimulated Brillouin

ToC Category:
Scattering

History
Original Manuscript: July 8, 2010
Manuscript Accepted: August 12, 2010
Published: September 14, 2010

Citation
Iyad Dajani, Clint Zeringue, Chunte Lu, Christopher Vergien, Leanne Henry, and Craig Robin, "Stimulated Brillouin scattering suppression through laser gain competition: scalability to high power," Opt. Lett. 35, 3114-3116 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-18-3114


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