PARAMETRIC 4-WAVE PROCESSES IN PHOTOREFRACTIVE CRYSTALS

Citation
Bi. Sturman et al., PARAMETRIC 4-WAVE PROCESSES IN PHOTOREFRACTIVE CRYSTALS, Physics reports, 275(4), 1996, pp. 198-254
Citations number
92
Categorie Soggetti
Physics
Journal title
ISSN journal
03701573
Volume
275
Issue
4
Year of publication
1996
Pages
198 - 254
Database
ISI
SICI code
0370-1573(1996)275:4<198:P4PIPC>2.0.ZU;2-H
Abstract
A theory of polarization-dependent four-wave processes is developed fo r photorefractive nonlinear media. It includes the classification of p ossible elementary nonlinear processes, an analysis of their polarizat ion and geometric properties, and a unified technique for the calculat ion of wave amplitudes. The theory is applied to the description of di fferent types of conical scattering in BaTiO3 and LiNbO3 crystals. Eff ects of crystal anisotropy, angular and frequency detunings for intera cting waves are taken into account. A good agreement between theory an d experiment is demonstrated. Applications of the theory to treatment of a number of important photorefractive effects are considered.