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Section B Special Section: New Analytical Methods

Periodic and solitary waves in systems of coherently coupled nonlinear envelope equations

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Pages 1083-1093 | Received 14 Mar 2009, Accepted 31 May 2009, Published online: 10 May 2010
 

Abstract

Exact solutions for two classes of coherently coupled nonlinear envelope equations are derived in terms of products of Jacobi elliptic functions. Physical applications are illustrated in the context of nonlinear optics, namely, polarization of light beams and quadratic (or parametric) solitons. Stabilities of these double-humped solitary pulses are studied by direct numerical simulations. The use of computer is crucial, both in terms of symbolic manipulation in the derivation process and in the implementation of numerical schemes in stability consideration.

2000 AMS Subject Classifications::

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Acknowledgements

Partial financial support has been provided by the Research Grants Council contract HKU7120/08E and HKU 7118/07E.

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