Roy, Samudra and Bhadra, Shyamal Kumar and Saitoh, Kunimasa and Koshiba, Masanori and Agrawal, Govind P (2011) Dynamics of Raman soliton during supercontinuum generation near the zero-dispersion wavelength of optical fibers. Optics Express, 19 (11). pp. 10443-10455. ISSN 1094-4087

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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. (C) 2011 Optical Society of America

Item Type: Article
Subjects: Processing Science
Divisions: Fiber Optics and Photonics
Depositing User: Bidhan Chaudhuri
Date Deposited: 17 Jan 2012 11:17
Last Modified: 21 Nov 2012 06:19

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