Abstract
Abstract We theoretically investigate the composite three-layered structure (waveguide) consisting of linear dielectric core inside defocusing nonlinear optical crystal. We assume that the abrupt change in dielectric permittivity and Kerr nonlinearity coefficients occurs in dependence on electric field amplitude. The theory described the regulating changes in the optical properties of crystal due the intense light beam propagation is proposed. We solve the problem of eigen modes of such three-layered structure. We find two new types of the transverse electric nonlinear surface waves. Such waves are characterized by the special structure consisting of three parts. The orders waveguide modes in dependence on the number of amplitude maxima inside the core are determined. We analyze the influence of the waveguide core thickness and its optical characteristics on the structural parameters of surface waves.
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