Spatial optical solitons resulting from multistep cascading |
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| Authors: | Kivshar Y S Alexander T J Saltiel S |
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| Affiliation: | Optical Sciences Center, Research School of Physical Sciences and Engineering, Australian National University, Canberra ACT 0200, Australia. |
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| Abstract: | We introduce a novel class of parametric optical solitons supported simultaneously by two second-order nonlinear cascading processes, second-harmonic generation and sum-frequency mixing. We obtain analytical and numerical solutions for three-wave spatial solitons and show that the presence of an additional cascading mechanism can change dramatically the properties and stability of two-wave quadratic solitary waves. |
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