Localized surface waves at the interface between the linear dielectric and photorefractive medium with drift and diffusion nonlinearity |
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Authors: | Aleshkevich V Vysloukh V Kartashov Y |
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Institution: | (1) Physics Department, M. V. Lomonosov Moscow State University, 119899 Moscow, Russia;(2) Physics Department, M. V. Lomonosov Moscow State University, Vorobiovy gory, 119899 Moscow, Russia |
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Abstract: | We consider the propagation of the laser beam near the interface between the linear dielectric and photorefractive medium with drift and diffusion nonlinearity. We demonstrated the possibility of the surface waves formation, found the profiles of such surface modes and investigated waveguiding properties of the dielectric-photorefractive medium boundary. The effective particle theory was used to derive an ordinary differential equation that describes the beam center trajectory during the reflection from the interface. |
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Keywords: | nonlocal nonlinear response photorefractive medium spatial solitons surface waves |
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