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题名: Theory and experiment of two-photon 'direct' interference for type-II spontaneous parametric down-conversion with an ultrafast pulse laser pump
作者: Li SL;  Liu B;  Sun BQ;  Jiang DS;  Xu ZY
发表日期: 2002
摘要: Fourth-order spatial interference of entangled photon pairs generated in the process of spontaneous parametric down-conversion pumped by a femtosecond pulse laser has been performed for the first time. In theory, it takes into account the transverse correlation between the two photons and is used to calculate the dependence of the visibility of the interference pattern obtained in Young's double-slit experiment. In this experiment, a short focal length tens and two narrow band interference filters were adopted to eliminate the effects of the broadband pump laser and improve the visibility of the interference pattern under the condition of nearly collinear light and degenerate phase matching.
KOS主题词: QUANTUM;  Entanglement;  Diffraction;  Visibility;  coherence;  Diffraction patterns;  Light effects;  Lighting
刊名: JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Li SL; Liu B; Sun BQ; Jiang DS; Xu ZY .Theory and experiment of two-photon 'direct' interference for type-II spontaneous parametric down-conversion with an ultrafast pulse laser pump ,JOURNAL OF OPTICS B-QUANTUM AND SEMICLASSICAL OPTICS,2002 ,4 (5):260-264
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