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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 18 — Sep. 15, 2013
  • pp: 3623–3626

Generation of tightly compressed solitons with a tunable frequency shift in Raman-free fibers

Rodislav Driben and Boris A. Malomed  »View Author Affiliations


Optics Letters, Vol. 38, Issue 18, pp. 3623-3626 (2013)
http://dx.doi.org/10.1364/OL.38.003623


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Abstract

Optimization of the compression of input N-solitons into robust ultra-narrow fundamental solitons, with a tunable up- or downshifted frequency, is proposed in photonic crystal fibers free of the Raman effect. Due to the absence of the Raman self-frequency shift, these fundamental solitons continue propagation, maintaining the acquired frequency, once separated from the input N soliton’s temporal slot. A universal optimal value of the relative strength of the third-order dispersion is found, providing the strongest compression of the fundamental soliton is found. It depends only on the order of the injected N-soliton. The largest compression degree significantly exceeds the analytical prediction supplied by the Satsuma–Yajima formula. The mechanism behind this effect, which remains valid in the presence of the self-steepening, is explained.

© 2013 Optical Society of America

OCIS Codes
(060.2630) Fiber optics and optical communications : Frequency modulation
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Nonlinear Optics

History
Original Manuscript: July 9, 2013
Revised Manuscript: August 21, 2013
Manuscript Accepted: August 21, 2013
Published: September 10, 2013

Citation
Rodislav Driben and Boris A. Malomed, "Generation of tightly compressed solitons with a tunable frequency shift in Raman-free fibers," Opt. Lett. 38, 3623-3626 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-18-3623

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