Properties of degenerate four-wave mixing with Ce:KNSBN photorefractive fiberlike crystal

Hongli Liu; Zhaoqi Wang; Xinjun Yang; Huanchu Chen

doi:10.1117/12.483270

16 September 2002 Properties of degenerate four-wave mixing with Ce:KNSBN photorefractive fiberlike crystal

Hongli Liu, Zhaoqi Wang, Xinjun Yang, Huanchu Chen

Proceedings Volume 4929, Optical Information Processing Technology; (2002) https://doi.org/10.1117/12.483270
Event: Photonics Asia, 2002, Shanghai, China

Abstract

Properties of degenerate four-wave mixing in a Ce:KNSBN photorefractive fiber-like crystal under the conditions that the angle between the pump beam and the signal beam is smaller and bigger was studied. It is found that there are two interaction regions of degenerate four-wave mixing in the sample when the angle is bigger, and four-times enhancement of the maximum phase-conjugate reflectivity compared with that in smaller angle condition is obtained. The experimental results of the phase-conjugate reflectivity versus the intensity of signal beams, and versus the ratio of the pump beams are presented, which are numerically fitted by theoretical equations. They are coincident quite well. The property of the four-wave mixing gratings and the phase-conjugate response time of Ce:KNSBN photorefractive fiber-like crystal were studied. The response time could be faster, in an order of second in our experimental conditions.

Citation Download Citation

Hongli Liu, Zhaoqi Wang, Xinjun Yang, and Huanchu Chen "Properties of degenerate four-wave mixing with Ce:KNSBN photorefractive fiberlike crystal", Proc. SPIE 4929, Optical Information Processing Technology, (16 September 2002); https://doi.org/10.1117/12.483270

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