Diffraction of flat electromagnrtic wave on non-linear dielectric slab

The integrodifferential equations for flat sinusoidal electromagnetic wave diffraction on nonlinear dielectric slab have been formulated both for stationary and nonstationary cases. The formulations for cubic nonlinearity have been presented explicitly for both cases and numerically solved for spectral problem. Also the numerical results for spectral problem with linear-fractional permittivity dependence on square field amplitude are presented.