Bi-directional two-wave coupling in ac- and dc-biased photorefractive cubic crystals

I. Rocha-Mendoza; Anatolii V. Khomenko; C. A. Fuentes-Hernandez; A. Garcia-Weidner

doi:10.1117/12.525196

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19 November 2003 Bi-directional two-wave coupling in ac- and dc-biased photorefractive cubic crystals

I. Rocha-Mendoza, Anatolii V. Khomenko, C. A. Fuentes-Hernandez, A. Garcia-Weidner

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Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.525196
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

We study the symmetrical vectorial two-wave mixing in cubic photorefractive crystals when the weak beam is always amplified in spite of its mutual direction in respect of the strong pump beam. We show that this effect takes place both in ac- and dc-biased crystals although the mechanisms underlying this effect are different for local and non-local photorefractive gratings. We present the results of analytical and numerical analyses along with the experimental results obtained with a Bi₁₂TiO₂₀ crystal.

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I. Rocha-Mendoza, Anatolii V. Khomenko, C. A. Fuentes-Hernandez, and A. Garcia-Weidner "Bi-directional two-wave coupling in ac- and dc-biased photorefractive cubic crystals", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.525196

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