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Proceedings Paper

Near-Infrared Wave Mixing In Photorefractive GaAs
Author(s): H. Rajbenbach; B. Imbert; J. P. Huignard; S. Mallick
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Paper Abstract

We review the conditions of efficient interactions at 1.06µm wavelength with photorefractive GaAs. These interactions are based on the recording of moving interference patterns in the volume of the crystal (drift recording mode with an externally applied electric field) This technique results in large values of the exponential gain coefficient Γ ~ 6-7 cm -1 for an optimized grating velocity and grating spacing. Applications to image amplification, amplified four wave-mixing (R = 5) and self-induced optical oscillations are presented.

Paper Details

Date Published: 22 December 1989
PDF: 10 pages
Proc. SPIE 1127, Nonlinear Optical Materials II, (22 December 1989); doi: 10.1117/12.961423
Show Author Affiliations
H. Rajbenbach, Thomson-CSF (France)
B. Imbert, Thomson-CSF (France)
J. P. Huignard, Thomson-CSF (France)
S. Mallick, Thomson-CSF (France)


Published in SPIE Proceedings Vol. 1127:
Nonlinear Optical Materials II

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