Chinese Journal of Lasers B, 2000, 9 (5): 452, 网络出版: 2006-08-08  

Multiple-beams Mutually Pumped Phase Conjugation Generated by a Bridge Phase Conjugator in Photorefractive Ba1-xSrxTi03 Crystal

Multiple-beams Mutually Pumped Phase Conjugation Generated by a Bridge Phase Conjugator in Photorefractive Ba1-xSrxTi03 Crystal
作者单位
1 Department of Physics, Fujian Teachers University, Fuzhou 350007, China
2 Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences, Fuzhou 350007, China
摘要
Abstract
A new method generating multiple-beams mutually pumped phase conjugation (MMPPC) in a photorefractive Bat- xSrxTiO3 crystal is demonstrated, in which a pumping beam is incident upon a-face of the crystal and two signal beams are introduced into + c face of the crystal with the almost same incident angle and position. The time evolution of the phase conjugations from signal beams and the dependence of phase-conjugate reflectivities on the input-beam intensity ratios are presented. Also, the amplitude coupled-wave equations based on the model of two interaction reigns is derived. The results obtained by numerical calculation of the corresponding coupled-wave equations show qualitative agreement with the experimental results.

QIU Yishen, LU Tuansun, HUANG Wenchai, ZHENG Zhiqiang, ZHUANG Jian, TANG Dingyuan. Multiple-beams Mutually Pumped Phase Conjugation Generated by a Bridge Phase Conjugator in Photorefractive Ba1-xSrxTi03 Crystal[J]. Chinese Journal of Lasers B, 2000, 9(5): 452. QIU Yishen, LU Tuansun, HUANG Wenchai, ZHENG Zhiqiang, ZHUANG Jian, TANG Dingyuan. Multiple-beams Mutually Pumped Phase Conjugation Generated by a Bridge Phase Conjugator in Photorefractive Ba1-xSrxTi03 Crystal[J]. 中国激光(英文版), 2000, 9(5): 452.

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