Theory of a 2×2 switch based on electro-optic and piezoelectric effects in photorefractive LiNbO3 crystal

Xiaona Yan; Yingru Su

doi:10.1117/12.683902

8 September 2006 Theory of a 2×2 switch based on electro-optic and piezoelectric effects in photorefractive LiNbO₃ crystal

Xiaona Yan, Yingru Su

Author Affiliations +

Proceedings Volume 6310, Photonic Devices and Algorithms for Computing VIII; 631007 (2006) https://doi.org/10.1117/12.683902
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Based on the electro-optic and piezoelectric effects, principle of a 2×2 bypass-exchange switch in photorefractive LiNbO₃ crystal is discussed. In photorefractive volume grating, the Bragg condition can be deviated by applying a specific field during readout. That is, by applying a specific field E_s or zero field, the diffraction efficiency will be 0 or 1, and this property can be used to realize the exchange or bypass operation of the switch. In this paper, on considering both the piezoelectric and the electro-optic effects caused by the applied electric field, we analyzed relations of both the specific field and the incident intensity ratio with respect to the writing angles and polarizations of writing beams.

Citation Download Citation

Xiaona Yan and Yingru Su "Theory of a 2×2 switch based on electro-optic and piezoelectric effects in photorefractive LiNbO₃ crystal", Proc. SPIE 6310, Photonic Devices and Algorithms for Computing VIII, 631007 (8 September 2006); https://doi.org/10.1117/12.683902

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