Orthogonal sequencing multiplexer for superconducting nanowire single-photon detectors with RSFQ electronics readout circuit

被引：28

作者：

Hofherr, Matthias ^{[1
]}

Wetzstein, Olaf ^{[2
]}

Engert, Sonja ^{[3
]}

Ortlepp, Thomas ^{[4
]}

Berg, Benjamin ^{[1
]}

Ilin, Konstantin ^{[1
]}

Henrich, Dagmar ^{[1
]}

Stolz, Ronny ^{[2
]}

Toepfer, Hannes ^{[3
]}

Meyer, Hans-Georg ^{[2
]}

Siegel, Michael ^{[1
]}

机构：

[1] Karlsruher Inst Technol, Inst Mikro & Nanoelekt Syst, Karlsruhe, Germany

[2] Inst Photon Technol, Dept Quantum Detect, Jena, Germany

[3] Ilmenau Univ Technol, Dept Adv Electromagnet, Ilmenau, Germany

[4] Univ Calif Berkeley, Berkeley, CA 94720 USA

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 27期

关键词：

JITTER;

D O I：

10.1364/OE.20.028683

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose an efficient multiplexing technique for superconducting nanowire single-photon detectors based on an orthogonal detector bias switching method enabling the extraction of the average count rate of a set of detectors by one readout line. We implemented a system prototype where the SNSPDs are connected to an integrated cryogenic readout and a pulse merger system based on rapid single flux quantum (RSFQ) electronics. We discuss the general scalability of this concept, analyze the environmental requirements which define the resolvability and the accuracy and demonstrate the feasibility of this approach with experimental results for a SNSPD array with four pixels. (C) 2012 Optical Society of America

引用

页码：28683 / 28697

页数：15

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