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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 11 — May. 23, 2011
  • pp: 10443–10455

Dynamics of Raman soliton during supercontinuum generation near the zero-dispersion wavelength of optical fibers

Samudra Roy, Shyamal K. Bhadra, Kunimasa Saitoh, Masanori Koshiba, and Govind P. Agrawal  »View Author Affiliations

Optics Express, Vol. 19, Issue 11, pp. 10443-10455 (2011)

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We observe unique dynamics of Raman soliton during supercontinuum process when an input pulse experiences initially normal group-velocity dispersion with a negative dispersion slope. In this situation, the blue components of the spectrum form a Raman soliton that moves faster than the input pulse and eventually decelerates because of Raman-induced frequency downshifting. In the time domain, the soliton trajectory bends and becomes vertical when the Raman shift ceases to occur as the spectrum of Raman soliton approaches the zero dispersion point. Parts of the red components of the pulse spectrum are captured by the Raman soliton through cross-phase modulation and they travel with it. The influence of soliton order, input chirp and dispersion slope on the dynamics of Raman soliton is discussed thoroughly.

© 2011 OSA

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons

ToC Category:
Nonlinear Optics

Original Manuscript: February 16, 2011
Manuscript Accepted: May 4, 2011
Published: May 12, 2011

Samudra Roy, Shyamal K. Bhadra, Kunimasa Saitoh, Masanori Koshiba, and Govind P. Agrawal, "Dynamics of Raman soliton during supercontinuum generation near the zero-dispersion wavelength of optical fibers," Opt. Express 19, 10443-10455 (2011)

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