Excitation of higher harmonic gratings in AC-field biased photorefractive crystals

Pedersen, Henrik C., Johansen, Per M., Podivilov, E.V. and Webb, David J. (1998). Excitation of higher harmonic gratings in AC-field biased photorefractive crystals. Optics communications, 154 (1/3), pp. 93-99.

Abstract

We analyze the nonlinear excitation of holographic gratings in a photorefractive crystal being subject to an alternating electric field and a stationary light interference pattern. The influence of the higher harmonics on the fundamental grating is illustrated for the case where a crystal of Bi12SiO20 is the recording medium. We analyze both the steady state and the transient consequences of the higher harmonic excitation.

Uncontrolled Keywords: nonlinear excitation, holographic gratings, photorefractive crystal, electric field, light interference, harmonics, grating, Bi12SiO20, recording medium, higher harmonic excitation
Published Date: 1998-08-15
Authors: Pedersen, Henrik C.
Johansen, Per M.
Podivilov, E.V.
Webb, David J.

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