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Nonlinear optical lattices with a void impurity

Mejia-Cortes, Cristian; Cardona, J. C.; Sukhorukov, Andrey; Molina, Mario I.


We examine a one-dimensional nonlinear (Kerr) waveguide array which contains a single "void" waveguide where the nonlinearity is identically zero. We uncover a family of nonlinear localized modes centered at or near the void, and their stability properties. Unlike a usual impurity problem, here the void acts like a repulsive impurity causing the center of the simplest mode to lie to the side of the void's position. We also compute the stability of extended nonlinear modes showing significant...[Show more]

CollectionsANU Research Publications
Date published: 2019-10-22
Type: Journal article
Source: Physical Review E
DOI: 10.1103/PhysRevE.100.042214
Access Rights: Open Access


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