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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 9 — Sep. 1, 2007
  • pp: 2321–2326

Filamentation analysis in large-mode-area fiber lasers

Lei Sun and John R. Marciante  »View Author Affiliations

JOSA B, Vol. 24, Issue 9, pp. 2321-2326 (2007)

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Starting from the paraxial wave equation, an analytic expression for filament threshold in fiber lasers is derived. The occurrence of filamentation is determined by the larger of two thresholds, one of perturbative gain and one of spatial confinement. The threshold value is approximately a few megawatts, depending on the parameters of the fiber.

© 2007 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: November 22, 2006
Revised Manuscript: May 30, 2007
Manuscript Accepted: June 20, 2007
Published: August 22, 2007

Lei Sun and John R. Marciante, "Filamentation analysis in large-mode-area fiber lasers," J. Opt. Soc. Am. B 24, 2321-2326 (2007)

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