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Optical Engineering

Multiple-humped bright solitary waves in second-order nonlinear media
Author(s): Dumitru Mihalache; Falk L. Lederer; Dumitru Mazilu; Lucian-Cornel Crasovan
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Paper Abstract

The propagation of multiple-humped bright solitary waves in a diffractive medium with second-order nonlinearity is studied. It is shown that the multiple-humped bright solitary waves occur only for negative phase mismatches in a small interval of nonlinear wave numbers shifts and above a certain threshold energy flow. Numerical experiments reveal that the multiple-humped stationary solitary waves are unstable on propagation. The evolution of multiple-humped solitary waves shows that the instability leads to one of the following three scenarios of the solitary wave dynamics: (1) the spreading of the solitary wave, (2) the formation of a single-humped solitary wave from a multiple-humped solitary wave in a fusion-like process, and (3) the decay of the multiple-humped solitary waves into several fragments consisting of single-humped solitary waves.

Paper Details

Date Published: 1 June 1996
PDF: 8 pages
Opt. Eng. 35(6) doi: 10.1117/1.600729
Published in: Optical Engineering Volume 35, Issue 6
Show Author Affiliations
Dumitru Mihalache, Institute of Atomic Physics (Romania)
Falk L. Lederer, Friedrich-Schiller-Univ. Jena (Germany)
Dumitru Mazilu, Institute of Atomic Physics (United States)
Lucian-Cornel Crasovan, Institute of Atomic Physics (Romania)

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