| 准相位匹配（QPM）技术研究新进展 |
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| 引用本文： | 姚江宏,李冠告.准相位匹配（QPM）技术研究新进展[J].量子电子学报,1999,16(4):289-294. |
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| 作者姓名： | 姚江宏 李冠告 |
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| 作者单位： | [1]南开大学物理科学学院光子学中心 [2]中国科学院红外物理国家重点实验室 |
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| 摘 要： | 准相位匹配是一种人为地制备周期结构以实现非线性频率转换技术，它拓宽了非线性晶体应用范围，提高了频率转换效率。本文详细介绍了准相位匹配主要技术优势，并描述周期极化畴反转技术，这一当前普遍用来制备准相位匹配非线性晶体的实验方法，同时总结了这一领域国内外研究的最新进展。
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| 关 键 词： | 准相位匹配 体周期极化 铌酸锂晶体 QPM技术 |
New Development of Quasi-phase-matching (QPM) Technique |
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| Yao Jianghong, Li Guangao,Xu Jingjun,Zhang Guangyin.New Development of Quasi-phase-matching (QPM) Technique[J].Chinese Journal of Quantum Electronics,1999,16(4):289-294. |
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| Authors: | Yao Jianghong Li Guangao Xu Jingjun Zhang Guangyin |
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| Abstract: | Quasi-phase-matching is a technique for phase matching nonlinear optical interactions in which the relative phase is corrected at regular intervals using a structural periodicity built into the nonlinear medium. Comparing the phase-matching,the advantage of quasi-phase-matching is introduced. Acting as an example, electric field treatment periodically poled domain-inverted method by application of a highvoltage pulse is introduced. The recent progress of the research and development of QPM as second-harmonic generation, sum-frequency generation, optic parametric oscillation and optical pulse compression is reviewed. |
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| Keywords: | quasi-phase-matching bulk periodically poled periodically-poled LiNbO3 crystal |
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