Two-dimensional nonlinear optically induced photonic lattices in photorefractive crystals

Anton S. Desyatnikov; Dragomir N. Neshev; Robert Fischer; Wieslaw Krolikowski; Nina Sagemerten; Denis Träger; Cornelia Denz; Alexander Dreischuh; Yuri S. Kivshar

doi:10.1117/12.648200

6 December 2006 Two-dimensional nonlinear optically induced photonic lattices in photorefractive crystals

Anton S. Desyatnikov, Dragomir N. Neshev, Robert Fischer, Wieslaw Krolikowski, Nina Sagemerten, Denis Träger, Cornelia Denz, Alexander Dreischuh, Yuri S. Kivshar

Author Affiliations +

Proceedings Volume 6023, Tenth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals; 60230H (2006) https://doi.org/10.1117/12.648200
Event: Tenth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 2005, Alushta, Ukraine

Abstract

We study theoretically arid generate experimentally two-dimensional nonlinear optically-induced photonic lattices with periodic phase modulation of different geometries in a photorefractive medium, including the periodicnonlinear waves with an internal energy flow or vortex lattices. We demonstrate that the light-induced periodically modulated nonlinear refractive index is highly anisotropic and nonlocal, and it depends on the orientation of a two-dimensional lattice relative to the crystal axis. We discuss stability of such optically-induced photonic two-dimensional structures and demonstrate experimentally their waveguiding properties.

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Anton S. Desyatnikov, Dragomir N. Neshev, Robert Fischer, Wieslaw Krolikowski, Nina Sagemerten, Denis Träger, Cornelia Denz, Alexander Dreischuh, and Yuri S. Kivshar "Two-dimensional nonlinear optically induced photonic lattices in photorefractive crystals", Proc. SPIE 6023, Tenth International Conference on Nonlinear Optics of Liquid and Photorefractive Crystals, 60230H (6 December 2006); https://doi.org/10.1117/12.648200

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