Indistinguishability-induced classical-to-nonclassical transition of photon statistics

Ao Shen, Bo Du, Ze-Hao Wang, Yang Dong, Xiang-Dong Chen, Guang-Can Guo, and Fang-Wen Sun
Phys. Rev. A 95, 053851 – Published 19 May 2017

Abstract

Photon statistics is one of the key properties of the photon state for the study of quantum coherence and quantum information techniques. Here, we discuss the photon indistinguishability induced bunching effect which can significantly change photon statistics. Through the measurement of the second-order degree of coherence of a mixed photon state composed of a single-photon state and a weak coherent state, the statistical transition from a classical behavior to a nonclassical behavior is experimentally demonstrated by modifying the indistinguishability of the two-photon states. The study will help us to understand and control the photon statistics with a method for quantum optical coherence and quantum information applications. It also indicates that the photon indistinguishability is a key parameter for multipartite quantum coherence.

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  • Received 8 January 2017

DOI:https://doi.org/10.1103/PhysRevA.95.053851

©2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Ao Shen, Bo Du, Ze-Hao Wang, Yang Dong, Xiang-Dong Chen, Guang-Can Guo, and Fang-Wen Sun*

  • Key Lab of Quantum Information, Chinese Academy of Sciences, School of Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China and Synergetic Innovation Center of Quantum Information & Quantum Physics, University of Science and Technology of China, Hefei 230026, People's Republic of China

  • *fwsun@ustc.edu.cn

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Issue

Vol. 95, Iss. 5 — May 2017

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