Studying the squeezing effect and phase space distribution of single-photon-added coherent state using postselected von Neumann measurement
Wen Jun Xu,
Taximaiti Yusufu,
Yusuf Turek
Abstract:In this paper, ordinary and amplitude-squared squeezing as well as Wigner functions of singlephoton-added coherent state after postselected von Neumann measurements are investigated. The analytical results show that the von Neumann type measurement which is characterized by postselection and weak value can significantly change the squeezing feature of single-photon-added coherent state. It is also found that the postselected measurement can increase the nonclassicality of the original state in strong measureme… Show more
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