Parametric intermode scattering in planar LiNbO_3 waveguides

Abstract

Nonlinear phase-matched parametric scattering of a single TEi+1 mode beam into two symmetric beams of TEi mode (or into an oblique TEi−1 beam and a TEi beam) in planar photorefractive LiNbO3:Ti:Fe/Cu waveguides is discussed.