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Optics Letters

Optics Letters


  • Editor: Anthony J. Campilo
  • Vol. 32, Iss. 17 — Sep. 1, 2007
  • pp: 2532–2534

Transient two-wave mixing in a linear configuration of an adaptive interferometer based on Er-doped fiber with saturable absorption

Serguei Stepanov and Fernando Pérez Cota  »View Author Affiliations

Optics Letters, Vol. 32, Issue 17, pp. 2532-2534 (2007)

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We report results of transient two-wave mixing (TWM) in Er-doped fibers with saturable absorption in a linear configuration of an adaptive interferometric vibrometer with essentially different powers of recording waves. The TWM signal modulation depth detected in the weak (reflected) wave was shown to be twice as strong as in the symmetric configuration with equal recording powers. In accordance with theoretical predictions, the experimentally observed TWM signal amplitude grew continuously with the fiber optical density in the whole investigated range of α 0 L 0.2 4 . At the recording wavelength 1492 nm it proved to be quite close to the theoretical limit of α 0 L 2 for weakly absorbing fibers, and in 1 - m -long fiber of high optical density reached maximal value of 0.8 . The TWM response time went down with the recording light power and for P 0 10 mW was in the submillisecond region.

© 2007 Optical Society of America

OCIS Codes
(060.2410) Fiber optics and optical communications : Fibers, erbium
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.7070) Nonlinear optics : Two-wave mixing

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: May 25, 2007
Manuscript Accepted: July 9, 2007
Published: August 17, 2007

Serguei Stepanov and Fernando Pérez Cota, "Transient two-wave mixing in a linear configuration of an adaptive interferometer based on Er-doped fiber with saturable absorption," Opt. Lett. 32, 2532-2534 (2007)

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