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Diffraction of collinear correlated photon pairs by an ultrasonic wave

机译:共线相关光子对的超声波衍射

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摘要

The phenomenon of collinear correlated photon pair diffraction by an ultrasonic wave is investigated for Bragg incidence. A beta-barium borate crystal was used for producing collinear correlated photon pairs via type-I spontaneous parametric down-conversion. It is shown experimentally that the Bragg angle for photon pair diffraction is identical to the one corresponding to single-photon diffraction. The numbers of single photon and photon pair counts in discrete diffraction orders were measured as functions of the Raman-Nath parameter. Similarly, the number of coincidence photon counts in separate diffraction orders was also investigated. What is more, simple analytical formulas are derived which perfectly agree with the experimentally obtained data. (C) 2015 Optical Society of America
机译:研究了布拉格共入射的光子对共线相关衍射现象。 β-硼酸钡晶体用于通过I型自发参数下转换产生共线相关的光子对。实验表明,用于光子对衍射的布拉格角与对应于单光子衍射的布拉格角相同。测量了离散衍射级的单个光子和光子对的数量,作为拉曼-纳思参数的函数。类似地,还研究了不同衍射级的重合光子数。此外,推导了简单的分析公式,这些公式与实验获得的数据完全吻合。 (C)2015年美国眼镜学会

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  • 来源
    《Applied optics》 |2015年第18期|共6页
  • 作者

    Kwiek Piotr;

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  • 正文语种 eng
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