Journal
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
Volume 15, Issue 9, Pages 2320-2330Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cnsns.2009.09.029
Keywords
Optical solitons; Inter-modal dispersion; Integrability; Riemann integration
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Funding
- DAAD [19-03-1-0375]
- Army Research Office (ARO), Air Force Office of Scientific Research (AFOSR) [W54428-RT-ISP]
- NSF-CREST [HRD-0630388]
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This paper studies optical solitons with non-Kerr law nonlinearity, in the presence of inter-modal dispersion. The coefficients of group velocity dispersion, nonlinearity and inter-modal dispersion terms have time-dependent coefficients. The types of nonlinearity that are considered are Kerr, power, parabolic and dual-power laws. The solitary wave ansatz is used to carry out the integration of the governing nonlinear Schrodinger's equation with time-dependent coefficients. Both, bright and dark optical solitons, are considered, in this paper. Finally, numerical simulations are also given in each of these cases. The only necessary condition for these solitons to exist is that these time-dependent coefficients of group velocity dispersion and inter-modal dispersion are Riemann integrable. (C) 2009 Elsevier B.V. All rights reserved.
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