Coupled-mode theory for spatial gap solitons in optically induced lattices
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Malomed, Boris A; Mayteevarunyoo, Thawatchai; Ostrovskaya, Elena; Kivshar, Yuri
Description
We derive two systems of coupled-mode equations for spatial gap solitons in one-dimensional (1D) and quasi-one-dimensional (Q1D) photonic lattices induced by two interfering optical beams in a nonlinear photorefractive crystal. The models differ from the ordinary coupled-mode system (e.g., for the fiber Bragg grating) by saturable nonlinearity and, if expanded to cubic terms, by the presence of four-wave-mixing terms. In the 1D system, solutions for stationary gap solitons are obtained in an...[Show more]
Collections | ANU Research Publications |
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Date published: | 2005-05-26 |
Type: | Journal article |
URI: | http://hdl.handle.net/10440/685 http://digitalcollections.anu.edu.au/handle/10440/685 |
Source: | Physical Review E-Statistical, Nonlinear and Soft Matter Physics |
DOI: | 10.1103/PhysRevE.71.056616 |
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Malomed_Coupled2005.pdf | 1.06 MB | Adobe PDF |
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