Nonlinear photonic lattices in anisotropic nonlocal self-focusing media

We analyze theoretically and generate experimentally two-dimensional nonlinear periodic lattices in a photorefractive medium. We demonstrate that the light-induced periodically modulated nonlinear refractive index is highly anisotropic and nonlocal, and it depends on the lattice orientation relative...

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Veröffentlicht in:arXiv.org 2004-10
Hauptverfasser: Desyatnikov, Anton S, Neshev, Dragomir N, Kivshar, Yuri S, Sagemerten, Nina, Traeger, Denis, Jaegers, Johannes, Denz, Cornelia, Kartashov, Yaroslav V
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container_title arXiv.org
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creator Desyatnikov, Anton S
Neshev, Dragomir N
Kivshar, Yuri S
Sagemerten, Nina
Traeger, Denis
Jaegers, Johannes
Denz, Cornelia
Kartashov, Yaroslav V
description We analyze theoretically and generate experimentally two-dimensional nonlinear periodic lattices in a photorefractive medium. We demonstrate that the light-induced periodically modulated nonlinear refractive index is highly anisotropic and nonlocal, and it depends on the lattice orientation relative to the crystal axis. We discuss stability of such induced photonic structures and their guiding properties.
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subjects Anisotropy
Crystal lattices
Crystal structure
Photonic crystals
Photorefractivity
Refractivity
Two dimensional analysis
title Nonlinear photonic lattices in anisotropic nonlocal self-focusing media
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