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Conferences > PEMD > 2001 > OS > 158

Optical storage of information via refreshing by inverse seeding in a photorefractive Ba0.77Ca0.23TiO3 crystal

V. Matusevich, A. Kiessling, and R. Kowarschik

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Abstract

We study the temporal behaviour of the phase-conjugated (pc) reflectivity and the signal amplification of a transmission grating written by four-wave mixing in a photorefractive Ba0.77Ca0.23TiO3 crystal (BCT). A setup of two interacting four- wave mixing processes with common signal and pc-signal waves is demonstrated, which allows the extension of the hologram storage time.

© 2001 Optical Society of America

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