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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 24 — Dec. 15, 2010
  • pp: 4145–4147

Predicting supercontinuum pulse collisions with simulations exhibiting temporal aliasing

Chu Liu, Eric J. Rees, Toni Laurila, Shuisheng Jian, and Clemens F. Kaminski  »View Author Affiliations

Optics Letters, Vol. 35, Issue 24, pp. 4145-4147 (2010)

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Interactions between supercontinuum (SC) light pulses, produced by the propagation of rapidly sequenced picosecond pump laser pulses along a photonic crystal fiber, result in spectral broadening, which we attribute to interpulse soliton collisions. This phenomenon was measured experimentally, following our observation of spectral broadening in numerical simulations that exhibit so-called “pulse wraparound” or “temporal aliasing.” This occurs in simulations with narrow time grids: as early parts of the SC pulse leave the computational time domain, they “reenter” at the beginning and so interact with later parts of the evolving SC pulse. We show that this provides an effective model to predict the experimentally observed spectral changes.

© 2010 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: September 2, 2010
Revised Manuscript: October 29, 2010
Manuscript Accepted: November 17, 2010
Published: December 10, 2010

Chu Liu, Eric J. Rees, Toni Laurila, Shuisheng Jian, and Clemens F. Kaminski, "Predicting supercontinuum pulse collisions with simulations exhibiting temporal aliasing," Opt. Lett. 35, 4145-4147 (2010)

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