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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 8 — Aug. 1, 2007
  • pp: 1729–1738

Four-wave-mixing-induced turbulent spectral broadening in a long Raman fiber laser

Sergey A. Babin, Dmitriy V. Churkin, Arsen E. Ismagulov, Sergey I. Kablukov, and Evgeny V. Podivilov  »View Author Affiliations


JOSA B, Vol. 24, Issue 8, pp. 1729-1738 (2007)
http://dx.doi.org/10.1364/JOSAB.24.001729


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Abstract

We present a detailed analytical self-consistent theory based on wave kinetic equations that describes generation spectrum and output power of a Raman fiber laser (RFL). It is shown both theoretically and experimentally that the quasi-degenerate four-wave mixing (FWM) between different longitudinal modes is the main broadening mechanism in the one-stage RFL at high powers. The shape and power dependence of the intracavity Stokes wave spectrum are in excellent quantitative agreement with predictions of the theory. FWM-induced stochasticity of the amplitude and the phase of each of the 10 6 longitudinal modes generated in the RFL cavity is an example of a light-wave turbulence in a fiber.

© 2007 Optical Society of America

OCIS Codes
(030.7060) Coherence and statistical optics : Turbulence
(140.3550) Lasers and laser optics : Lasers, Raman
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing

ToC Category:
Fiber Lasers and Amplifiers

History
Original Manuscript: October 27, 2006
Revised Manuscript: February 26, 2007
Manuscript Accepted: March 2, 2007
Published: July 19, 2007

Citation
Sergey A. Babin, Dmitriy V. Churkin, Arsen E. Ismagulov, Sergey I. Kablukov, and Evgeny V. Podivilov, "Four-wave-mixing-induced turbulent spectral broadening in a long Raman fiber laser," J. Opt. Soc. Am. B 24, 1729-1738 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-8-1729

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