Discrete diffraction and waveguiding of optical beams in a cascade-induced lattice |
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Authors: | O. V. Borovkova V. E. Lobanov A. K. Sukhorukova A. P. Sukhorukov |
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Affiliation: | (1) Moscow State University, Leninskie Gory, Moscow, 119992, Russia |
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Abstract: | Regularities of anisotropic discrete diffraction in a cascade-induced lattice formed by two crossed pump waves in a quadratically nonlinear medium have been studied. The transition from diffraction of a signal beam in free space to discrete diffraction with further capture into a waveguide in a defocusing lattice with an increase in the pump wave intensity has been traced. Diffraction-free propagation of a tilted beam is described. |
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