Novel technique for efficient wave mixing in photorefractive materials

Pierre Mathey; Jean-Claude Launay; Gilles Pauliat; Gerald Roosen

doi:10.1117/12.46844

1 October 1991 Novel technique for efficient wave mixing in photorefractive materials

Pierre Mathey, Jean-Claude Launay, Gilles Pauliat, Gerald Roosen

Proceedings Volume 1500, Innovative Optics and Phase Conjugate Optics; (1991) https://doi.org/10.1117/12.46844
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

We initially study a peak of the photorefractive two-wave mixing gain which appears for a particular frequency of a sinusoidal applied electric field. The optimization of the process by applying periodic pulsed electric fields leads to a considerable rise of the two-wave mixing gain. The authors demonstrate that the gain reached with this technique is higher than the maximum gain obtained with usual enhancement techniques. Effectively, with a Bi₁₂GeO₂₀:Fe sample, a gain of 10 cm^-1 is obtained, compared to 2 cm-1 in the same crystal with the other techniques.

Citation Download Citation

Pierre Mathey, Jean-Claude Launay, Gilles Pauliat, and Gerald Roosen "Novel technique for efficient wave mixing in photorefractive materials", Proc. SPIE 1500, Innovative Optics and Phase Conjugate Optics, (1 October 1991); https://doi.org/10.1117/12.46844

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