Ⅰ类非共线SPDC光谱分布数值模拟及实验研究

Journal of Atmospheric and Environmental Optics(2013)

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