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Discrete reduced-symmetry solitons and second-band vortices in two-dimensional nonlinear waveguide arrays

Johansson, Magnus; Sukhorukov, Andrey; Kivshar, Yuri


Considering a two-dimensional lattice of weakly coupled waveguides, where each waveguide may carry two orthogonal modes of dipolar character, we present a nonlinear discrete vector model for the study of Kerr optical solitons with profiles having a reduced symmetry relative to the underlying lattice. We describe analytically and numerically existence and stability properties of such states in square and triangular lattices and also reveal directional mobility properties of two-dimensional gap...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Physical Review E-Statistical, Nonlinear and Soft Matter Physics
DOI: 10.1103/PhysRevE.80.046604


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