Journal
JOURNAL OF MODERN OPTICS
Volume 61, Issue 6, Pages 500-503Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340.2014.897391
Keywords
perturbed nonlinear Schrodinger equation; dark soliton; solitary wave solution; parabolic law nonlinearity; modulational instability
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Funding
- PhD Short-time Mobility Program of Wuhan University
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The perturbed nonlinear Schrodinger equation, describing an ultra-short optical pulse propagate along the parabolic law nonlinear fibers with Raman effect and self-steepening, has been investigated using the sub-equation expansion method. The dark and singular optical solitons are obtained. Furthermore, the modulational instability (MI) is analyzed based on the standard linear-stability analysis. The MI gain is got. These results have important application features in the area of telecommunications.
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