A cascade switching superconducting single photon detector

被引：111

作者：

Ejrnaes, M. ^{[1
]}

Cristiano, R. ^{[1
]}

Quaranta, O. ^{[2
]}

Pagano, S. ^{[2
]}

Gaggero, A. ^{[3
,4
]}

Mattioli, F. ^{[4
]}

Leoni, R. ^{[4
]}

Voronov, B. ^{[5
]}

Gol'tsman, G. ^{[5
]}

机构：

[1] CNR, Ist Cibernet E Caianiello, I-84081 Baronissi, Italy

[2] Univ Salerno, Dipartimento Fis ER Caianiello, I-84081 Baronissi, Italy

[3] Univ Roma TRE, I-01146 Rome, Italy

[4] CNR, Ist Foton & Naotechnol, I-00156 Rome, Italy

[5] Moscow State Pedag Univ, Moscow 119435, Russia

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 26期

关键词：

D O I：

10.1063/1.2828138

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have realized superconducting single photon detectors with reduced inductance and increased signal pulse amplitude. The detectors are based on a parallel connection of ultrathin NbN nanowires with a common bias inductance. When properly biased, an absorbed photon induces a cascade switch of all the parallel wires generating a signal pulse amplitude of 2 mV. The parallel wire configuration lowers the detector inductance and reduces the response time well below 1 ns. (c) 2007 American Institute of Physics.

引用

页数：3

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