Applying a mixed light field generated from a two-level atomic ensemble to two-photon interference

被引：2
|
作者：
Zhou, Shuyu [1 ]
Zhang, Shanchao [2 ]
Wang, Ying [3 ]
Wang, Yuzhu [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Quantum Opt, Shanghai 201800, Peoples R China
[2] South China Normal Univ, Guangdong Prov Key Lab Quantum Engn & Quantum Mat, SPTE, Guangzhou 510006, Peoples R China
[3] Jiangsu Univ Sci & Technol, Sch Math & Phys, Zhenjiang 212003, Jiangsu, Peoples R China
来源：
PHOTONICS RESEARCH | 2020年 / 8卷 / 06期
基金：
中国国家自然科学基金;
关键词：
PHOTON; DETECTOR; PAIRS;
D O I：
10.1364/PRJ.386557
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A mixed light field generated from a two-level atomic ensemble can be used for two-photon interference. In this mixed light field, correlated paired photons generated from a four-wave mixing process provide a signal of two-photon interference, while Rayleigh scattered photons of the pump laser provide a stable reference to calibrate the normalized second-order correlation function. We demonstrate two-photon interference using the HongOn-Mandel and Hanbury Brown-Twiss interferometers. A direct quantitative comparison between theoretical predictions and experimental data is performed under perturbed experimental conditions, which reveal this kind of light source has potential application for quantum metrology. (C) 2020 Chinese Laser Press
引用
收藏
页码：781 / 787
页数：7
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