High-efficiency multi-element superconducting single-photon detector

被引：0
|
作者：
Moshkova, M. A. [1 ]
Morozov, P., V [2 ]
Antipov, A., V [2 ,3 ]
Vakhtomin, Yu B. [2 ,3 ]
Smirnov, K., V [1 ]
机构：
[1] Natl Res Univ HSE, Dept Elect Engn, 20 Myasnitskaya, Moscow 101000, Russia
[2] LLC Scontel, 5-1 Lva Tolstogo, Moscow 119021, Russia
[3] Moscow Pedag State Univ, 1-1 M Pirogovskaya, Moscow 119991, Russia
来源：
QUANTUM OPTICS AND PHOTON COUNTING 2021 | 2021年 / 11771卷
基金：
俄罗斯基础研究基金会;
关键词：
Photon number resolving superconducting single-photon detectors; detectors with increased sensitive area; SYSTEM EFFICIENCY;
D O I：
10.1117/12.2589157
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present the result of the creation and investigation of the multi-element superconducting single photon detectors, which can recognize the number of photons (up to six) in a short pulse of the radiation at telecommunication wavelengths range. The best receivers coupled with single-mode fiber have the system quantum efficiency of similar to 85%. The receivers have a 100 ps time resolution and a few nanoseconds dead time that allows them to operate at megahertz counting rate. Implementation of the multi-element architecture for creation of the superconducting single photon detectors with increased sensitive area allows to create the high efficiency receivers coupled with multi-mode fibers and with preserving of the all advantages of superconducting photon counters.
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页数：7
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