Interface solitons in two-dimensional photonic lattices
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Updated: Jun 27, 2026

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
Published on: September 26, 2014
Mario I Molina1, Yuri S Kivshar
1Departmento de Física, Facultad de Ciencias, Universidad de Chile, Casilla 653, Santiago, Chile. mmolina@uchile.cl
Abstract:
We analyze localization of light at the interfaces separating square and hexagonal photonic lattices, as recently realized experimentally for two-dimensional laser-written waveguides in silica glass with self-focusing nonlinearity [Opt. Lett.33, 663 (2008)]. We find the conditions for the existence of linear and nonlinear surface states substantially influenced by the lattice topology, and study the effect of different symmetries and couplings on the stability of two-dimensional interface solitons.
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