Fabrication and characterization of superconducting NbN nanowire single photon detectors

被引：26
作者：
Stern, Jeffrey A. [1 ]
Farr, William H. [1 ]
机构：
[1] Jet Prop Lab, Pasadena, CA 91109 USA
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2007年 / 17卷 / 02期
关键词：
NbN; single photon detector; SNSPD;
D O I：
10.1109/TASC.2007.898060
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We report on the fabrication and characterization of high-speed, single photon detectors using superconducting NbN nanowires at a wavelength of 1064 nm. A 15 by 15 microns detector with a detector efficiency of 40% has been measured. Due to kinetic inductance, the recovery time of such large area detectors is longer than that of smaller or single wire detectors. The recovery time of our detectors (50 ns) has been characterized by measuring the inter-arrival time statistics of our detector.
引用
收藏
页码：306 / 309
页数：4
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