物理
自发参量下转换
分束器
光子
干扰(通信)
多模光纤
量子成像
量子光学
光学
量子
梁(结构)
量子纠缠
参数统计
量子力学
量子网络
激光器
光纤
电信
计算机科学
统计
频道(广播)
数学
作者
S. P. Walborn,Antônio Oliveira-Jr,S. Pádua,C. H. Monken
标识
DOI:10.1103/physrevlett.90.143601
摘要
We consider multimode two-photon interference at a beam splitter by photons created by spontaneous parametric down-conversion. The resulting interference pattern is shown to depend upon the transverse spatial symmetry of the pump beam. In an experiment, we employ the first-order Hermite-Gaussian modes in order to show that, by manipulating the pump beam, one can control the resulting two-photon interference behavior. We expect these results to play an important role in the engineering of quantum states of light for use in quantum information processing and quantum imaging.
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