Experimental study of the dependences of retrieval efficiencies on time delay between magneto-optical-trap being turned off and optical storage

doi:10.1088/1674-1056/25/2/024203

中国物理B ›› 2016, Vol. 25 ›› Issue (2): 24203-024203.doi: 10.1088/1674-1056/25/2/024203

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Experimental study of the dependences of retrieval efficiencies on time delay between magneto-optical-trap being turned off and optical storage

Li-Rong Chen(陈力荣), Zhong-Xiao Xu(徐忠孝), Ping Li(李萍), Ya-Fei Wen(温亚飞), Wei-Qing Zeng(曾炜卿), Yue-Long Wu(武跃龙), Long Tian(田龙), Shu-Jing Li(李淑静), Hai Wang(王海)

The State Key of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

收稿日期:2015-07-06 修回日期:2015-08-20 出版日期:2016-02-05 发布日期:2016-02-05
通讯作者: Hai Wang E-mail:wanghai@sxu.edu.cn
基金资助:
Project supported by the National Basic Research Program of China (Grant No. 2010CB923103) and the National Natural Science Foundation of China (Grant Nos. 11475109, 11274211, and 60821004).

Experimental study of the dependences of retrieval efficiencies on time delay between magneto-optical-trap being turned off and optical storage

The State Key of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

Received:2015-07-06 Revised:2015-08-20 Online:2016-02-05 Published:2016-02-05
Contact: Hai Wang E-mail:wanghai@sxu.edu.cn
Supported by:
Project supported by the National Basic Research Program of China (Grant No. 2010CB923103) and the National Natural Science Foundation of China (Grant Nos. 11475109, 11274211, and 60821004).

摘要/Abstract

摘要：

We report an experimental study of electromagnetically induced transparency (EIT)-based light storage in a cloud of cold atoms loaded into a magneto-optical-trap (MOT). After the MOT is turned off, the retrieval efficiencies of right- and left-circularly polarized signal light fields each as a function of storage time are measured for different time delays between MOT off and the storage event, respectively. The results show that in the delay ranging from 0.015 ms to 3.5 ms, the retrieval efficiency for a zero-storage time (0.2 us) and the storage lifetime can exceed 15% and 1.4 ms, respectively. The measured results will provide important help for optimizing the storage of the polarized entanglement photons in cold atomic ensembles.

关键词: light storage, electromagnetically induced transparency, cold atomic ensemble, experimental repetition rate

Abstract:

Key words: light storage, electromagnetically induced transparency, cold atomic ensemble, experimental repetition rate

中图分类号: (Quantum optics)

42.50.-p

42.50.Gy (Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption) 32.80.Qk (Coherent control of atomic interactions with photons) 42.50.Ex (Optical implementations of quantum information processing and transfer)

陈力荣, 徐忠孝, 李萍, 温亚飞, 曾炜卿, 武跃龙, 田龙, 李淑静, 王海. Experimental study of the dependences of retrieval efficiencies on time delay between magneto-optical-trap being turned off and optical storage[J]. 中国物理B, 2016, 25(2): 24203-024203.

Li-Rong Chen(陈力荣), Zhong-Xiao Xu(徐忠孝), Ping Li(李萍), Ya-Fei Wen(温亚飞), Wei-Qing Zeng(曾炜卿), Yue-Long Wu(武跃龙), Long Tian(田龙), Shu-Jing Li(李淑静), Hai Wang(王海). Experimental study of the dependences of retrieval efficiencies on time delay between magneto-optical-trap being turned off and optical storage[J]. Chin. Phys. B, 2016, 25(2): 24203-024203.

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Experimental study of the dependences of retrieval efficiencies on time delay between magneto-optical-trap being turned off and optical storage

Experimental study of the dependences of retrieval efficiencies on time delay between magneto-optical-trap being turned off and optical storage

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