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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 2 — Jan. 15, 2009
  • pp: 115–117

Soliton trapping of dispersive waves in tapered optical fibers

J. C. Travers and J. R. Taylor  »View Author Affiliations

Optics Letters, Vol. 34, Issue 2, pp. 115-117 (2009)

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We show that trapping of dispersive waves by solitons is significantly enhanced in tapered optical fibers as compared with nontapered fibers. For the trapping process to occur, the soliton must be decelerating; in nontapered fiber, the cause of soliton deceleration is Raman self-scattering to spectral regions of lower group velocity. It is shown here that deceleration of the soliton due to the changing group velocities in a tapered optical fiber also enables and enhances the trapping process, independently of Raman gain. This explains the enhanced blue spectral extension observed for supercontinuum generation in tapered optical fibers. This result also indicates that trapping of dispersive waves by solitons will also be possible in fibers or waveguides made from materials with negligible Raman self-scattering.

© 2009 Optical Society of America

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: September 18, 2008
Manuscript Accepted: November 17, 2008
Published: January 7, 2009

J. C. Travers and J. R. Taylor, "Soliton trapping of dispersive waves in tapered optical fibers," Opt. Lett. 34, 115-117 (2009)

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