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Proceedings Paper

Associative storage device with four-wave frequency-mixing phase-conjugate reflector
Author(s): Wusheng Xu; Shiwen Xu; Yuheng Xu
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Paper Abstract

Mg:Fe:LiNbO3, Ce:Fe:LiNbO3 and Fe:LiNbO3 crystals were grown by the Czochralski method. The absorption spectra of these crystals were measured. It is shown in the results that the absorption edge of Mg:Fe:LiNbO3 shifts to violet while that of Ce:Fe:LiNbO3 shifts to red in comparison with that of Fe:LiNbO3. In the measurement of the photo scattering resistance ability of Fe:LiNbO3 and Mg:Fe:LiNbO3, it is found that the photo scattering resistance ability of Mg:Fe:LiNbO3 is two orders of magnitude higher than that of Fe:LiNbO3. The four wave mixing properties, such as the phase conjugate reflectivity and the response time, of the crystals were obtained. Among the three crystals, Ce:Fe:LiNbO3 has the largest phase conjugate reflectivity, and Mg:Fe:LiNbO3 has the shortest response time. Using Mg:Fe:LiNbO3 crystal as the storage material and Ce:Fe:LiNbO3 as phase conjugate reflector, the associative storage was realized.

Paper Details

Date Published: 17 September 2002
PDF: 5 pages
Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); doi: 10.1117/12.483373
Show Author Affiliations
Wusheng Xu, Harbin Institute of Technology (China)
Shiwen Xu, Harbin Institute of Technology (China)
Yuheng Xu, Harbin Institute of Technology (China)


Published in SPIE Proceedings Vol. 4930:
Advanced Optical Storage Technology
Duanyi Xu; Seiya Ogawa, Editor(s)

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