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Chin. Opt. Lett.
 Home  List of Issues    Issue 10 , Vol. 15 , 2017    10.3788/COL201715.100301

Ultralow-noise single-photon detection based on precise temperature controlled photomultiplier with enhanced electromagnetic shielding
Mingyu Wang1, Zhengyong Li1, Yanhui Cai1, Yi Zhang2, Xiangkong Zhan1, Haiyang Wang1, and Chongqing Wu1
1 Key Lab of Education Ministry on Luminescence and Optical Information Technology, [Beijing Jiaotong University], Beijing 1 00044, China
2 The Institute of Optics, [University of Rochester], 2 75 Hutchison Road, Rochester, New York 1462 7, USA

Chin. Opt. Lett., 2017, 15(10): pp.100301

Topic:Coherence optics and statistical optics
Keywords(OCIS Code): 030.5260  040.5250  

We demonstrate an ultralow-noise single-photon detection system based on a sensitive photomultiplier tube (PMT) with precise temperature control, which can capture fast single photons with intervals around 10 ns. By improvement of the electromagnetic shielding and introduction of the self-differencing method, the dark counts (DCs) are cut down to ~1%. We further develop an ultra-stable PMT cooling subsystem and observe that the DC goes down by a factor of 3.9 each time the temperature drops 10°C. At ?20°C it is reduced 400 times with respect to the room temperature (25°C), that is, it becomes only 2 counts per second, which is on par with the superconducting nanowire detectors. Meanwhile, despite a 50% loss, the detection efficiency is still 13%. Our detector is available for ultra-precise single-photon detection in environments with strong electromagnetic disturbances.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2017/6/27

Get Citation: Mingyu Wang, Zhengyong Li, Yanhui Cai, Yi Zhang, Xiangkong Zhan, Haiyang Wang, and Chongqing Wu, "Ultralow-noise single-photon detection based on precise temperature controlled photomultiplier with enhanced electromagnetic shielding," Chin. Opt. Lett. 15(10), 100301(2017)

Note: This work was supported by the National Natural Science Foundation of China (Nos. 11574026 and 11274037), the Program for New Century Excellent Talents in University, MOE of China (No. NCET-12-0765), and the Foundation for the Author of National Excellent Doctoral Dissertation, China (No. 201236).


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