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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 23 — Dec. 1, 2006
  • pp: 3423–3425

Peak-power limits on fiber amplifiers imposed by self-focusing

Roger L. Farrow, Dahv A. V. Kliner, G. Ronald Hadley, and Arlee V. Smith  »View Author Affiliations

Optics Letters, Vol. 31, Issue 23, pp. 3423-3425 (2006)

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We have numerically investigated the behavior of the fundamental mode of a step-index, multimode (MM) fiber as the optical power approaches the self-focusing limit ( P crit ) . The analysis includes the effects of gain and bending (applicable to coiled fiber amplifiers). We find power-dependent, stationary solutions that propagate essentially without change at beam powers approaching P crit in straight and bent fibers. We show that in a MM fiber amplifier seeded with its fundamental eigenmode at powers P crit , the transverse spatial profile adiabatically evolves through a continuum of stationary solutions as the beam is amplified toward P crit .

© 2006 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(140.3510) Lasers and laser optics : Lasers, fiber
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(260.5950) Physical optics : Self-focusing

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 12, 2006
Revised Manuscript: August 10, 2006
Manuscript Accepted: August 22, 2006
Published: November 9, 2006

Roger L. Farrow, Dahv A. V. Kliner, G. Ronald Hadley, and Arlee V. Smith, "Peak-power limits on fiber amplifiers imposed by self-focusing," Opt. Lett. 31, 3423-3425 (2006)

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