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Demonstration of all-optical beam steering in modulated photonic lattices
Christian R. Rosberg, Ivan L. Garanovich, Andrey A. Sukhorukov +3
We demonstrate experimentally all-optical beam steering in modulated photonic lattices induced optically by three beam interference in a biased photorefractive crystal. We identify…
Crossover from self-defocusing to discrete trapping in nonlinear waveguide arrays
Michal Matuszewski, Christian R. Rosberg, Dragomir N. Neshev +6
We predict a sharp crossover from nonlinear self-defocusing to discrete self-trapping of a narrow Gaussian beam with the increase of the refractive index contrast in a periodic pho…
Photonic Bloch oscillations and Zener tunneling in two-dimensional optical lattices
Henrike Trompeter, Wieslaw Krolikowski, Dragomir N. Neshev +6
We report on the first experimental observation of photonic Bloch oscillations and Zener tunneling in two-dimensional periodic systems. We study the propagation of an optical beam…
Reduced-symmetry two-dimensional solitons in photonic lattices
Robert Fischer, Denis Traeger, Dragomir N. Neshev +4
We demonstrate theoretically and experimentally a novel type of localized beams supported by the combined effects of total internal and Bragg reflection in nonlinear two-dimensiona…
Soliton control in modulated optically-induced photonic lattices
Ivan L. Garanovich, Andrey A. Sukhorukov, Yuri S. Kivshar
We discuss soliton control in reconfigurable optically-induced photonic lattices created by three interfering beams. We reveal novel dynamical regimes for strongly localized solito…
Soliton dynamics in deformable nonlinear lattices
Andrey A. Sukhorukov
We describe wave propagation and soliton localization in photonic lattices which are induced in a nonlinear medium by an optical interference pattern, taking into account the inher…