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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 19 — Oct. 1, 2008
  • pp: 2242–2244

Controllable propagation of light pulses in Er-doped fibers with saturable absorption

Serguei Stepanov and Eliseo Hernández Hernández  »View Author Affiliations

Optics Letters, Vol. 33, Issue 19, pp. 2242-2244 (2008)

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We report controllable (slow or fast) propagation of low-intensity probe-light pulses through erbium-doped fiber periodically saturated by the synchronized master-pulse sequence. These two pulse sequences could have significantly different carrier wavelengths within the fundamental absorption spectrum 1470 1570 nm of Er + 3 ions. The effect of fractional delay or advancement grew with the fiber optical absorption at the probe wavelength and could be significantly stronger than that at the saturating wavelength. The probe–pulse advancement was observed in the case when the saturating and probe waves were modulated approximately in antiphase. The observed effects are explained in the framework of a simple model of a periodically saturated homogeneously broadened absorption line.

© 2008 Optical Society of America

OCIS Codes
(060.2410) Fiber optics and optical communications : Fibers, erbium
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

ToC Category:
Nonlinear Optics

Original Manuscript: June 19, 2008
Revised Manuscript: August 4, 2008
Manuscript Accepted: August 16, 2008
Published: September 30, 2008

Serguei Stepanov and Eliseo Hernández Hernández, "Controllable propagation of light pulses in Er-doped fibers with saturable absorption," Opt. Lett. 33, 2242-2244 (2008)

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