Properties of Cascade Switch Superconducting Nanowire Single Photon Detectors

被引：0

作者：

Ejrnaes, M. ^{[1
]}

Casaburi, A. ^{[1
,2
]}

Cristiano, R. ^{[1
]}

Quaranta, O. ^{[2
]}

Marchetti, S. ^{[2
]}

Martucciello, N. ^{[2
,3
]}

Pagano, S. ^{[1
,4
]}

Gaggero, A. ^{[5
]}

Mattioli, F. ^{[5
]}

Leoni, R. ^{[5
]}

机构：

[1] Ist Cibernet E Caianiello CNR, I-80078 Pozzuoli, Italy

[2] Caianiello University, Dept Phys E R, I-84081 Baronissi, Italy

[3] CNR INFM Salerno, Regional Lab SuperMat, I-84081 Baronissi, Italy

[4] Univ adiSalerno, Dept Math & Comp Sci, I-84081 Baronissi, Italy

[5] Inst Photonics & Nanotechnology o C N R, I-10056 Rome, Italy

来源：

QUANTUM COMMUNICATION AND QUANTUM NETWORKING | 2010年 / 36卷

关键词：

Single photon detector; detector design; non-equilibrium superconductivity; nanotechnology;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Superconducting nanowire single photon detectors have been realized using an innovative photon induced cascade switch of parallel nanowires. We demonstrate that this configuration allows, at the same time, a fast response and a large active area, with the additional advantage of signal pulses with a larger signal to noise ratio. These improvements are obtained maintaining the good quantum efficiency of traditional meandered superconducting detectors. We show that due to the high speed of the parallel nanowire detector special attention is needed to avoid latching, a phenomenon which in the parallel nanowire detector degrades the detector efficiency. We describe how the latching problem can be avoided using a proper nanowire configuration.

引用

页码：150 / +

页数：3

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