Associative storage device with four-wave frequency-mixing phase-conjugate reflector

Wusheng Xu; Shiwen Xu; Yuheng Xu

doi:10.1117/12.483373

17 September 2002 Associative storage device with four-wave frequency mixing phase conjugate reflector

Wusheng Xu, Shiwen Xu, Yuheng Xu

Proceedings Volume 4930, Advanced Optical Storage Technology; (2002) https://doi.org/10.1117/12.483373
Event: Photonics Asia, 2002, Shanghai, China

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.

Citation Download Citation

Wusheng Xu, Shiwen Xu, and Yuheng Xu "Associative storage device with four-wave frequency mixing phase conjugate reflector", Proc. SPIE 4930, Advanced Optical Storage Technology, (17 September 2002); https://doi.org/10.1117/12.483373

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