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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 23 — Nov. 9, 2009
  • pp: 20707–20713

Generation of double-scale femto/pico-second optical lumps in mode-locked fiber lasers

Sergey Kobtsev, Sergey Kukarin, Sergey Smirnov, Sergey Turitsyn, and Anton Latkin  »View Author Affiliations

Optics Express, Vol. 17, Issue 23, pp. 20707-20713 (2009)

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We observed generation of stable picoseconds pulse train and double-scale optical lumps with picosecond envelope and femtosecond noise-like oscillations in the same Yb-doped fiber laser with all-positive-dispersion cavity mode-locked due to the effect of non-linear polarization evolution. In the noise-like pulse generation regime the auto-correlation function has a non-usual double (femto- and picosecond) scale shape. We discuss mechanisms of laser switching between two operation regimes and demonstrate a good qualitative agreement between experimental results and numerical modeling based on modified nonlinear Schrödinger equations.

© 2009 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.7090) Lasers and laser optics : Ultrafast lasers

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 8, 2009
Revised Manuscript: October 18, 2009
Manuscript Accepted: October 20, 2009
Published: October 27, 2009

Sergey Kobtsev, Sergey Kukarin, Sergey Smirnov, Sergey Turitsyn, and Anton Latkin, "Generation of double-scale femto/pico-second optical lumps in mode-locked fiber lasers," Opt. Express 17, 20707-20713 (2009)

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