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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: G. I. Stegeman
  • Vol. 22, Iss. 11 — Nov. 1, 2005
  • pp: 2308–2318

Dynamics of high-power erbium–ytterbium fiber amplifiers

Guillaume Canat, Jean-Claude Mollier, Jean-Pierre Bouzinac, Glenn M. Williams, Brian Cole, Lew Goldberg, Yves Jaouën, and Gabor Kulcsar  »View Author Affiliations

JOSA B, Vol. 22, Issue 11, pp. 2308-2318 (2005)

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Dynamic regimes of high-peak-power erbium–ytterbium ( Er 3 + Yb 3 + ) codoped fiber amplifiers are analyzed for nanosecond-to-microsecond pulses. High-energy pulse generation requires a large-core fiber amplifier to increase energy storage and the threshold of nonlinear effects. A numerical model of large-core Er 3 + Yb 3 + fiber amplifiers is described. Dynamics of peak powers, amplified spontaneous emission, and population inversion are presented. Influence of radial dependence and reflections at the extremities are studied. Modeling and experimental results are compared for simple-pass and double-pass amplifier configurations. The role of parasitic reflections is highlighted. A semianalytical model is derived for low and high repetition rates.

© 2005 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3500) Lasers and laser optics : Lasers, erbium

ToC Category:
Fiber Optics and Optical Communications

Guillaume Canat, Jean-Claude Mollier, Jean-Pierre Bouzinac, Glenn M. Williams, Brian Cole, Lew Goldberg, Yves Jaouën, and Gabor Kulcsar, "Dynamics of high-power erbium–ytterbium fiber amplifiers," J. Opt. Soc. Am. B 22, 2308-2318 (2005)

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