Collision of optical solitons with Kerr law nonlinearity |
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| Authors: | Yan Xiao Anjan Biswas |
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| Affiliation: | aCollege of Physics & Electronics Engineering and the State Key Subject of Optics, Shanxi University, Taiyuan, 030006, China;bDepartment of Applied Mathematics and Theoretical Physics, Delaware State University Dover, DE 19901-2277, USA;cCenter of Excellence in ISEM Tennessee State University, Nashville, TN 37209-1500, USA |
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| Abstract: | The intra-channel collision of optical solitons, with Kerr law nonlinearity, is studied by the aid of quasi-particle theory. The perturbation terms considered in this paper are all of Hamiltonian type. It is shown that the soliton–soliton interaction can be suppressed in the presence of these perturbations, namely, the self-steepening, the third-order dispersion, the fourth-order dispersion and the frequency separation between the soliton carrier and the gain-center frequency. The prediction of quasi-particle theory are fully confirmed by direct numerical simulations. |
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| Keywords: | Optical solitons Kerr law nonlinearity Quasi-particle theory |
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