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.

引用

页数：7

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