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

V. Matusevich; A. Kiessling; R. Kowarschik

doi:10.1364/PEMD.2001.158

Photorefractive Effects, Materials, and Devices
OSA Trends in Optics and Photonics (Optica Publishing Group, 2001),
paper 158
•https://doi.org/10.1364/PEMD.2001.158

Optical storage of information via refreshing by inverse seeding in a photorefractive Ba_0.77Ca_0.23TiO₃ crystal

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

Photorefractive Effects, Materials, and Devices 2001

Delavan, Wisconsin United States
ISBN: 1-55752-693-1

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V. Matusevich, A. Kiessling, and R. Kowarschik, "Optical storage of information via refreshing by inverse seeding in a photorefractive Ba0.77Ca0.23TiO3 crystal," in Photorefractive Effects, Materials, and Devices, G. Salamo and A. Siahmakoun, eds., Vol. 62 of OSA Trends in Optics and Photonics (Optica Publishing Group, 2001), paper 158.

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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 Ba_0.77Ca_0.23TiO₃ 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.

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