Estimation of effective electrooptical parameters of superlattices

摘要

In the present report different configurations of electrooptical interaction in multilayer structures have been analyzed at long-length approach. By this, we considered these structures formed by the components with different kinds of symmetries, namely: "centrosym metrical / centrosymmetrical crystals", "noncentrosymmetrical / noncentrosymmetrical crystals", "centrosymmetrical / noncentrosymmetrical crystals". It has been found the dependence of effective electrooptical coefficients of a superlattice from electrooptical constants of layers and their width. It has been shown that effective parameters of multilayer heterostructure created by crystal layers of arbitrary symmetry, which was put into external field, depend on the angle between crystallographic axes of the components of superlattice. The range of values of angle was defined for which the changes of effective parameters are unimportant.