| Original Articles |
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Forward Phase Conjugation wave due to Multi-wave Coupling and
Grating Share in Lithium Niobate Crystal
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| QIAO Hai-Jun;XU Jing-Jun;ZHANG Xin-Zheng;LI Fei-Fei;SUN Qian;WU Qiang;ZHANG Guang-Yin |
| Photonics Research Center, Department of Physics, Nankai
University, Tianjin 300071
TEDA College, Nankai University, Tianjin 300457
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| Cite this article: |
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QIAO Hai-Jun, XU Jing-Jun, ZHANG Xin-Zheng et al 2001 Chin. Phys. Lett. 18 1601-1603 |
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Abstract The steady intensity of a forward phase conjugate wave (FPCW) is successfully observed along the c-axis in the highly magnesium-doped lithium niobate crystal. We put forward a physical picture for our experiment phenomena. The FPCW is generated from the phase-mismatch in a three-wave coupling process, and tends to be stable accompanied with the building of photorefractive gratings and four-wave coupling processes. Our experiment result is also discussed and analysed by means of the wave coupling theory, and the theoretical expression is provided for the experiment.
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| Keywords:
42.65.Hw
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Published: 01 December 2001
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| PACS: |
42.65.Hw
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(Phase conjugation; photorefractive and Kerr effects)
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