Transverse instability of vector solitons and generation of dipole arrays |
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| Authors: | Neshev D Krolikowski W Pelinovsky D E McCarthy G Kivshar Y S |
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| Institution: | Nonlinear Physics Group, Research School of Physical Sciences and Engineering, The Institute of Advanced Studies, The Australian National University, Canberra ACT 0200, Australia. |
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| Abstract: | We develop a theory of modulational instability of multiparameter solitary waves and analyze the transverse instability of composite (or vector) optical solitons in a saturable nonlinear medium. We demonstrate theoretically and experimentally that a soliton stripe breaks up into an array of ( 2+1)-dimensional dipole-mode vector solitons, thus confirming the robust nature of those solitons as fundamental composite structures of incoherently coupled fields. |
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