Spatial Modulational Instability and Multisolitonlike Generation in a Quadratically Nonlinear Optical Medium
- 7 April 1997
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 78 (14) , 2756-2759
- https://doi.org/10.1103/physrevlett.78.2756
Abstract
A novel type of spatial modulational instability induced by the dynamical interaction of two strongly coupled fundamental and harmonic fields in a second-order nonlinear optical material is demonstrated experimentally. This phenomenon is explained theoretically on the basis of a one-dimensional Floquet theory. At high intensities, the formation of a 1D solitary wave lattice is superseded by the onset of 2D modulational instabilities.Keywords
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