I类非共线SPDC光谱分布数值模拟及实验研究

大气与环境光学学报 ›› 2013, Vol. 8 ›› Issue (3): 203-211.

I类非共线SPDC光谱分布数值模拟及实验研究

李平付, 李健军, 夏茂鹏, 郑小兵

(中国科学院安徽光学精密机械研究所中国科学院通用光学定标与表征技术重点实验室，安徽合肥 230031)

收稿日期:2013-03-11 修回日期:2013-03-22 出版日期:2013-05-28 发布日期:2013-05-17
通讯作者: 李平付（1987-），男，湖南长沙人，研究生，主要从事光学精密测量方面的研究。 E-mail:lee22901@163.com
作者简介:李平付（1987-），男，湖南长沙人，研究生，主要从事光学精密测量方面的研究。
基金资助:
国家自然科学基金项目（11204318）资助

Numerical Simulation and Experiment of Spectral Distribution of Type-I Noncollinear Spontaneous Parametric Down-Conversion

LI Ping-fu, LI Jian-jun, XIA Mao-peng, ZHENG Xiao-bing

（Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences,Hefei 230031）

Received:2013-03-11 Revised:2013-03-22 Published:2013-05-28 Online:2013-05-17

摘要/Abstract

摘要：

针对近些年发展的相关光子定标方法在光学计量方面的应用需求，在理论上分析了I类非共线自发参量下转换(SPDC)光谱的分布，并考虑完全相位匹配和相位失配两种情况下，355nm连续激光光源泵浦I类非共线BBO晶体产生自发参量下转换信号光的分布曲线。数值模拟结果表明，这两种情况下，I类非共线SPDC产生的光谱分布一致。最后设计了SPDC光谱分布测量实验，实验表明，I类非共线SPDC光谱分布与数值模拟结果相同。

关键词: 自发参量下转换, I类非共线匹配, 光谱分布

Abstract:

With the application demand of optical metrology based on correlated photons method in recent years, spectral distribution of type-I noncollinear spontaneous parametric down-conversion (SPDC) is theoretically analyzed. Two different cases including ideal phasing-matching and nonideal phasing-matching are considered, SPDC spectral distribution curve is formed by 355 nm CW laser pumping type-I noncollinear BBO crystal, and numerical simulation results show that two cases have almost the same spectral distribution. Lastly measurement experiment of SPDC spectral distribution is designed. The experiment shows type-I noncollinear SPDC spectral distribution is in good agreement with numerical simulation.

Key words: spontaneous parametric down-conversion, type-I noncollinear phase-matching, spectral distribution

中图分类号:

O437

李平付李健军夏茂鹏郑小兵. I类非共线SPDC光谱分布数值模拟及实验研究[J]. 大气与环境光学学报, 2013, 8(3): 203-211.

LI Ping-Fu, LI Jian-Jun, JIA Mao-Peng, ZHENG Xiao-Bing. Numerical Simulation and Experiment of Spectral Distribution of Type-I Noncollinear Spontaneous Parametric Down-Conversion[J]. Journal of Atmospheric and Environmental Optics, 2013, 8(3): 203-211.

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