Interface solitons in two-dimensional photonic lattices

Details Interface solitons in two-dimensional photonic lattices Interface solitons in two-dimensional photonic lattices

2008-08-08

arxiv.org/abs/0808.1268v1

Nonlinear Sciences

Pattern Formation and Solitons

3 pages, 4 figures, submitted to Opt. Lett

Scientific paper

10.1364/OL.33.002761

We analyze localization of light at the interface separating square and hexagonal photonic lattices, as recently realized experimentally in two-dimensional laser-written waveguide arrays in silica glass with self-focusing nonlinearity [A. Szameit {\em et al.}, Opt. Lett. {\bf 33}, 663 (2008)]. We reveal the conditions for the existence of {\em linear} and {\em nonlinear} surface states substantially influenced by the lattice topology, and study the effect of the different symmetries and couplings on the stability of two-dimensional interface solitons.

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