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

Vladislav Matusevich; Armin Kiessling; Richard M. Kowarschik

doi:10.1117/12.464483

1 April 2002 Optical storage of information via refreshing by inverse seeding in a photorefractive Ba_0.77Ca_0.23TiO₃ crystal (BCT)

Vladislav Matusevich, Armin Kiessling, Richard M. Kowarschik

Author Affiliations +

Proceedings Volume 4750, ICONO 2001: Quantum and Atomic Optics, High-Precision Measurements in Optics, and Optical Information Processing, Transmission, and Storage; (2002) https://doi.org/10.1117/12.464483
Event: XVII International Conference on Coherent and Nonlinear Optics (ICONO 2001), 2001, Minsk, Belarus

Abstract

We present a new experimental setup for optical storage of information via refreshing by inverse seeding (OSIRIS), which allows a sixfold increase of the storage time of holograms in a Ba_0.77Ca_0.23TiO₃ crystal. The setup consists of two four-wave mixing processes with common amplified signal waves and phase-conjugated waves. Temporal behaviors of the amplified and pc-signal waves for the OSIRIS experiment as well as for the common four-wave mixing experiment are compared and discussed. The solutions of coupled equations under the depleted-pump approximation are obtained in order to estimate the pc-reflectivities and coupling gains of gratings inside the crystal.

Citation Download Citation

Vladislav Matusevich, Armin Kiessling, and Richard M. Kowarschik "Optical storage of information via refreshing by inverse seeding in a photorefractive Ba_0.77Ca_0.23TiO₃ crystal (BCT)", Proc. SPIE 4750, ICONO 2001: Quantum and Atomic Optics, High-Precision Measurements in Optics, and Optical Information Processing, Transmission, and Storage, (1 April 2002); https://doi.org/10.1117/12.464483

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