Anderson localization of light near boundaries of disordered photonic lattices

Dragana M. Jović; Yuri S. Kivshar; Cornelia Denz; Milivoj R. Belić

doi:10.1103/PhysRevA.83.033813

Anderson localization of light near boundaries of disordered photonic lattices

Dragana M. Jović, Yuri S. Kivshar, Cornelia Denz, Milivoj R. Belić

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Abstract

We study numerically the effect of boundaries on Anderson localization of light in truncated two-dimensional photonic lattices in a nonlinear medium. We demonstrate suppression of Anderson localization at the edges and corners, so that stronger disorder is needed near the boundaries to obtain the same localization as in the bulk. We find that the level of suppression depends on the location in the lattice (edge vs corner), as well as on the strength of disorder. We also discuss the effect of nonlinearity on various regimes of Anderson localization.

Original language	English
Article number	033813
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	83
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.83.033813
Publication status	Published - 10 Mar 2011

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10.1103/PhysRevA.83.033813

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abstract = "We study numerically the effect of boundaries on Anderson localization of light in truncated two-dimensional photonic lattices in a nonlinear medium. We demonstrate suppression of Anderson localization at the edges and corners, so that stronger disorder is needed near the boundaries to obtain the same localization as in the bulk. We find that the level of suppression depends on the location in the lattice (edge vs corner), as well as on the strength of disorder. We also discuss the effect of nonlinearity on various regimes of Anderson localization.",

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AB - We study numerically the effect of boundaries on Anderson localization of light in truncated two-dimensional photonic lattices in a nonlinear medium. We demonstrate suppression of Anderson localization at the edges and corners, so that stronger disorder is needed near the boundaries to obtain the same localization as in the bulk. We find that the level of suppression depends on the location in the lattice (edge vs corner), as well as on the strength of disorder. We also discuss the effect of nonlinearity on various regimes of Anderson localization.

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Anderson localization of light near boundaries of disordered photonic lattices

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