Kseniya Shandarova

Discrete Diffraction and Spatial Self-Action of Light Beams in One-Dimensional Photonic Lattices in Lithium Niobate

Features of the behavior of light beams in one-dimensional photonic lattices in iron-doped lithium niobate have been experimentally studied. It is demonstrated that bright discrete spatial solitons and bright gap solitons can be formed in this system using 633 nm radiation on a microwatt power level.

Non-periodic photorefractive photonic lattices in lithium niobate: Features of their formation and light propagation

We experimentally demonstrate formation of nonperiodic photorefractive photonic lattices in lithium niobate using the optical modulation and optical induction procedures based on contact and optical projection schemes with amplitude masks.

Linear and nonlinear light localization within optically induced photonic superlattices in lithium niobate

We experimentally investigate effects of linear and nonlinear propagation of light beams within one-dimensional photonic superlattices fabricated in bulk photorefractive lithium niobate samples and in photorefractive planar waveguides by optical induction technique. In other case similar superlattices are formed by optical modulation of periodic waveguide arrays produced in lithium niobate by thermal diffusion of titanium and iron. The linear localization of light power is experimentally observed in superlattices of all kinds and proved using numerical simulations of light propagation within such structures. The features of nonlinear behavior of light at its propagation in superlattices is also experimentally demonstrated in a configuration of their single-channel excitation.

Discrete diffraction and spatial self-action of a light beam within optically induced photonic lattice in lithium niobate

Photorefractive one-dimensional photonic lattices are optically induced in iron-doped lithium niobate. Discrete linear diffraction and formation of bright gap solitons due to the spatial self-action of light beams within such lattices are experimentally investigated at wavelength of 633 nm.

Observation of bright discrete gap solitons in one-dimensional photonic lattices in lithium niobate

Photorefractive one-dimensional photonic lattices are optically induced in iron-doped lithium niobate. Discrete linear diffraction and formation of bright gap solitons due to nonlinear self-action of light beams within such lattices are experimentally investigated at wavelength of 633 nm.