摘要
By introducing the two-mode entangled state representation 〈η| whose one mode is a fictitious one accompanying the system mode, this paper presents a new approach for deriving density operator for describing continuum photodetection process.
By introducing the two-mode entangled state representation 〈η| whose one mode is a fictitious one accompanying the system mode, this paper presents a new approach for deriving density operator for describing continuum photodetection process.
基金
supported by President Foundation of Chinese Academy of Sciences
the National Natural Science Foundation of China (Grant Nos 10775097 and 10874174)