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Coherent and Incoherent Interactions between Discrete-Soliton Trains in Two-Dimensional Light-Induced Photonic Lattices |
| XIAO Fa-Jun;ZHANG Peng;LIU Sheng;ZHAO Jian-Lin |
| Institute of Optical Information Science and Technology, Shaanxi Key Laboratory of Optical Information Technology, School of Science, Northwestern Polytechnical University, Xi'an 710072 |
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| Cite this article: |
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XIAO Fa-Jun, ZHANG Peng, LIU Sheng et al 2007 Chin. Phys. Lett. 24 3435-3438 |
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Abstract The coherent and incoherent interactions between discrete-soliton trains are numerically investigated in light-induced two-dimensional photonic lattices. The solutions of discrete-soliton trains for diamond and square lattices are obtained by Petviashvili iteration method. It is found that for both the kinds of lattices, two in-phase (out-of-phase) discrete-soliton trains attract (repel) each other, and the intermediates are always accompanied with energy transfer. While the interaction forces between two incoherent discrete-soliton trains are always attractive.
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| Keywords:
42.65.Tg
42.65.Hw
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Received: 21 July 2007
Published: 03 December 2007
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| PACS: |
42.65.Tg
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(Optical solitons; nonlinear guided waves)
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42.65.Hw
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(Phase conjugation; photorefractive and Kerr effects)
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