Nonlinear shift of spatial solitons at a graded dielectric interface |
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Authors: | Peccianti Marco Assanto Gaetano Dyadyusha Andriy Kaczmarek Malgosia |
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Institution: | Nonlinear Optics and OptoElectronics Laboratory, Department of Electronic Engineering, IFN and CNISM University, Roma Tre, Via della Vasca Navale 84 - 00146, Rome, Italy. |
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Abstract: | We investigate total internal reflection of optical spatial solitons at the interface between two regions of nematic liquid crystals with different optical densities. Due to nonlinear molecular reorientation, the solitons experience a penetration depth, hence, a lateral shift that depends on the excitation, with lateral shifts from 0.7 to 1.2 mm as input powers increased from 1.6 to 9.3 mW. |
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