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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 17 — Sep. 1, 2010
  • pp: 2982–2984

Suppression of stimulated Raman scattering employing long period gratings in double-clad fiber amplifiers

D. Nodop, C. Jauregui, F. Jansen, J. Limpert, and A. Tünnermann  »View Author Affiliations

Optics Letters, Vol. 35, Issue 17, pp. 2982-2984 (2010)

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We report on the suppression of stimulated Raman scattering (SRS) in a double-clad fiber amplifier using long- period gratings (LPGs). The LPGs, fabricated with a CO 2 laser, achieve SRS suppression by coupling the Stokes wavelength from the active core into the cladding. With only three LPGs inserted into a fiber pulse amplifier, the extractable Raman-free output power was nearly doubled. A numerical simulation of the setup shows good agreement with the experimental results.

© 2010 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(290.5910) Scattering : Scattering, stimulated Raman
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: April 29, 2010
Revised Manuscript: August 9, 2010
Manuscript Accepted: August 9, 2010
Published: August 27, 2010

D. Nodop, C. Jauregui, F. Jansen, J. Limpert, and A. Tünnermann, "Suppression of stimulated Raman scattering employing long period gratings in double-clad fiber amplifiers," Opt. Lett. 35, 2982-2984 (2010)

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