中国物理B ›› 1998, Vol. 7 ›› Issue (6): 443-450.doi: 10.1088/1004-423X/7/6/006

• CLASSICAL AREAS OF PHENOMENOLOGY • 上一篇    下一篇

TEMPORAL BEHAVIOR OF PHASE-CONJUGATE OUTPUTS IN A COHERENTLY INDUCED PHASE CONJUGATOR

孙秀冬, 冯玉文, 姜永远, 李焱, 周忠祥   

  1. Department of Applied Physics, Harbin Institute of Technology, Harbin 150001, China
  • 收稿日期:1997-10-17 出版日期:1998-06-20 发布日期:1998-06-20
  • 基金资助:
    Project supported by the Provincial Natural Science Foundation o f Heilongjiang , and also by the Science Foundation of the State Key Laboratory of Crystal Materials, Shandong University, China.

TEMPORAL BEHAVIOR OF PHASE-CONJUGATE OUTPUTS IN A COHERENTLY INDUCED PHASE CONJUGATOR

SUN XIU-DONG (孙秀冬), FENG YU-WEN (冯玉文), JIANG YONG-YUAN (姜永远), LI YAN (李焱), ZHOU ZHONG-XIANG (周忠祥)   

  1. Department of Applied Physics, Harbin Institute of Technology, Harbin 150001, China
  • Received:1997-10-17 Online:1998-06-20 Published:1998-06-20
  • Supported by:
    Project supported by the Provincial Natural Science Foundation o f Heilongjiang , and also by the Science Foundation of the State Key Laboratory of Crystal Materials, Shandong University, China.

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摘要： The temporal behavior of the bidirectional phase-conjugate outputs from a coherently induced phase conjugator has been observed on a Cu-doped barium strontium potassium sodium niobate crystal. In our experiment, the phase-conjugate outputs of two incident beams vary smoothly with time if the beam ratio is large. When the beam ratio is reduced, however, each phase conjugate output will experience a temporal fluctuation. The phase-conjugate output characteristic is found to be dependent on the beam ratio of the two input beams, their positions, their beam-path-length difference and sometimes the input order of the two beams. We present a model of multi-region-interaction to explain the operation of the device and the experimental results in this paper.

Abstract: The temporal behavior of the bidirectional phase-conjugate outputs from a coherently induced phase conjugator has been observed on a Cu-doped barium strontium potassium sodium niobate crystal. In our experiment, the phase-conjugate outputs of two incident beams vary smoothly with time if the beam ratio is large. When the beam ratio is reduced, however, each phase conjugate output will experience a temporal fluctuation. The phase-conjugate output characteristic is found to be dependent on the beam ratio of the two input beams, their positions, their beam-path-length difference and sometimes the input order of the two beams. We present a model of multi-region-interaction to explain the operation of the device and the experimental results in this paper.

中图分类号:  (Other nonlinear optical materials; photorefractive and semiconductor materials)

  • 42.70.Nq
42.65.Hw (Phase conjugation; photorefractive and Kerr effects)