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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 17 — Aug. 18, 2008
  • pp: 12658–12663

Dynamics of pump-induced refractive index changes in single-mode Yb-doped optical fibers

Andrei A. Fotiadi, Oleg L. Antipov, and Patrice Mégret  »View Author Affiliations

Optics Express, Vol. 16, Issue 17, pp. 12658-12663 (2008)

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We quantify the refractive index changes (RIC) in single-mode ytterbium-doped optical fibers induced by optical pulses at 980 nm and, for the first time, report details of the effect dynamics. The RIC dynamics is shown to follow that of the population of the excited/unexcited ion states with a factor proportional to their polarizability difference (PD). The absolute PD value is evaluated in the spectral range of 1460–1620 nm for different fiber samples and is found to be independent on the fiber geometry and on the ion concentration. The PD dispersion profile indicates to a predominant far-resonance UV rather than near-resonant IR transitions contribution to the RIC.

© 2008 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 23, 2008
Revised Manuscript: August 3, 2008
Manuscript Accepted: August 3, 2008
Published: August 6, 2008

Andrei A. Fotiadi, Oleg L. Antipov, and Patrice Mégret, "Dynamics of pump-induced refractive index changes in single-mode Yb-doped optical fibers," Opt. Express 16, 12658-12663 (2008)

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