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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 3 — Feb. 5, 2007
  • pp: 977–984

Suppressing stimulated Brillouin scattering in fiber amplifiers using nonuniform fiber and temperature gradient

Anping Liu  »View Author Affiliations

Optics Express, Vol. 15, Issue 3, pp. 977-984 (2007)

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A nonuniform large mode area fiber having an larger core at most locations to reduce power intensity and having a relatively smaller core at certain locations to reduce bending sensitivity is proposed for suppression of stimulated Brillouin scattering (SBS) in a high power fiber amplifier. A comprehensive model taking into account fiber nonuniformity, profile and temperature gradient shows that the fiber can achieve kilowatt output at a temperature gradient of >250 °C. Compared with a conventional large mode area fiber, a total of 7 dB SBS suppression can be achieved using this unique fiber.

© 2007 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.4480) Lasers and laser optics : Optical amplifiers

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 27, 2006
Revised Manuscript: January 1, 2007
Manuscript Accepted: January 10, 2007
Published: February 5, 2007

Anping Liu, "Suppressing stimulated Brillouin scattering in fiber amplifiers using nonuniform fiber and temperature gradient," Opt. Express 15, 977-984 (2007)

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