A novel analytical description of the nonlocal anisotropic space charge field, induced by (2+
1) D localized light beams in photorefractive crystals, is introduced. Closed-form expressions …

We formulate an anisotropic nonlocal theory of the space charge field induced by the
coherent counterpropagating beams in biased photorefractive crystals. We establish that the …

The space-charge-field formation in a photorefractive crystal illuminated by a one-
dimensional light pattern is studied when an alternating square-wave electric field is applied …

An analysis of light-induced space-charge field, valid for the propagation of two-dimensional
solitons in photorefractive (PR) crystals, is carried out. Under conditions appropriate to the …

The complete basic equations for 2+ 1-dimensional self-trapped beam propagation in
photorefractive media are numerically solved, with the anisotropic nonlocal response …

A theoretical model to numerically study the local space-charge field induced by light in a
photorefractive crystal biased with two independent, perpendicularly oriented external static …

On the basis of the vectorial theory of light diffraction in cubic photorefractive crystals, we
derive analytical expressions to describe the output intensities and polarization states of two …

We find and analyze bound dipole solitary solutions in media with anisotropic nonlocal
photorefractive material response. The dipole solutions consist of two elliptically shaped …

The propagation of a light beam in a photorefractive crystal in an alternating meander
electric field is studied. A nonlinear equation is obtained for a spatial charge field formed in …

Recent analytical results in the frame of photorefractive spatial-soliton propagation are
exploited to derive a novel scheme for the investigation of space-charge field formation in …