期刊
OPTICS COMMUNICATIONS
卷 259, 期 1, 页码 336-341出版社
ELSEVIER
DOI: 10.1016/j.optcom.2005.08.067
关键词
optical beams; non-local nonlinear media; sub-strong non-locality; spatial optical solitons; variational approach
类别
Discussed is the propagation of optical beams in non-local nonlinear media modelled by 1 + 1D non-local nonlinear Schrodinger equation (NNLSE). In the sub-strongly non-local case, an approximate analytical solution is obtained for an arbitrary response function by a variational approach. Described by a combination of the Jacobian elliptic functions, the solution is periodic, and its period depends on not only the input power but also the initial beam width, which is confirmed by the numerical simulation of the NNLSE. (c) 2005 Elsevier B.V. All rights reserved.
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