Frequency tuning of optical parametric generator in periodically poled optical superlattice LiNbO3 by electro-optic effect

Abstract

Frequency tuning of optical parametric generators in periodically poled LiNbO3 by applying a periodic electric field was demonstrated. Remarkable wavelength change was achieved. The dependence of the wavelength shift on the applied field shows a linear relationship. The tuning rates exceeding 3 nm/(kV/mm) were obtained. The phenomenon of dispersion in electro-optic tuning was predicted. Possible applications were discussed.