The nonlinear Helmholtz equation (NLH) models the propagation of electromagnetic waves
in Kerr media, and describes a range of important phenomena in nonlinear optics and in …

Efficient numerical methods are developed to analyze optical bistability in a multilayer
structure with Kerr nonlinearity. It corresponds to computing multiple solutions of the one …

Nonlinear optical effects can be enhanced by photonic crystal microcavities and be used to
develop practical ultra-compact optical devices with low power requirements. The finite …

Nonlinear optical phenomena provide a physical mechanism for converting the light
frequency. This allows the generation of tunable light sources at wavelengths inaccessible …

We discuss the transmission properties of non-linear phase-shifted grating. Using a direct
integration method, we show that phase-shift in linear sinusoidal grating introduces a very …

The problem of high-intense laser pulse interaction with a semiconductor under the
condition of a light energy nonlinear absorption, which results in high absorption domains …

The work develops the concept of shielding external radiation using composite materials
that are a single condensed structure with incorporated specially configured impurities and …

We analyze laser pulse propagation in a semiconductor with nonlinear absorption
depending on free electron concentration and a concentration of ionized donors. Under …

For one-dimensional optical structures consisting of gratings surrounding a defect region,
optical field solutions inside the bandgap are investigated that are steady states or fully …

We study the optical bistable properties in one-dimensional photonic crystal with symmetric
structure (AB) N (D) M (BA) N, where A is high refractive index medium, B is low refractive …