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Proceedings Paper

Polarization readout characteristics of electric-controlled holographic Bragg grating in photorefractive crystal
Author(s): Yuhong Wan; Lin Lin; Tianlong Man; Qianli Zhai; Guoqing Liu; Shiquan Tao
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Paper Abstract

In the paraelectric phase photorefractive crystal, the quadratic electro-optic effect can result in Bragg gratings in the volume of the crystal. The reconstruction process and the diffractive properties of the grating can be governed by the externally applied electric field. The measurement of the diffraction efficiency as a function of the applied electric field during recording is described. Dependence of electrically controlled Bragg grating in paraelectric phase KLTN: Cu crystals on readout illumination beam polarization were experimentally investigated. The results of experiments show that the diffraction efficiency of electric-controlled volume grating can also be controlled by the polarization of readout light. All these results would offer an possibility for a photorefractive optical switch by adjusting the polarization of the readout beam to control the diffraction efficiency.

Paper Details

Date Published: 2 December 2010
PDF: 7 pages
Proc. SPIE 7851, Information Optics and Optical Data Storage, 78510M (2 December 2010); doi: 10.1117/12.870658
Show Author Affiliations
Yuhong Wan, Beijing Univ. of Technology (China)
Lin Lin, Beijing Univ. of Technology (China)
Tianlong Man, Beijing Univ. of Technology (China)
Qianli Zhai, Beijing Univ. of Technology (China)
Guoqing Liu, Beijing Univ. of Technology (China)
Shiquan Tao, Beijing Univ. of Technology (China)


Published in SPIE Proceedings Vol. 7851:
Information Optics and Optical Data Storage
Feijun Song; Shiquan Tao; Francis T. S. Yu; Suganda Jutamulia; Kees A. Schouhamer Immink; Keiji Shono, Editor(s)

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