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首页> 外文期刊>Optics Letters >Crosstalk-free operation of multielement superconducting nanowire single-photon detector array integrated with single-flux-quantum circuit in a 0.1 W Gifford-McMahon cryocooler
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Crosstalk-free operation of multielement superconducting nanowire single-photon detector array integrated with single-flux-quantum circuit in a 0.1 W Gifford-McMahon cryocooler

机译:集成有单通量量子电路的多元素超导纳米线单光子探测器阵列在0.1 W Gifford-McMahon低温冷却器中的无串扰操作

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摘要

We demonstrate the successful operation of a multielement superconducting nanowire single-photon detector (SSPD) array integrated with a single-flux-quantum (SFQ) readout circuit in a compact 0.1 W Gifford-McMahon cryocooler. A time-resolved readout technique, where output signals from each element enter the SFQ readout circuit with finite time intervals, revealed crosstalk-free operation of the four-element SSPD array connected with the SFQ readout circuit. The timing jitter and the system detection efficiency were measured to be 50 ps and 11.4percent, respectively, which were comparable to the performance of practical single-pixel SSPD systems.
机译:我们演示了在紧凑的0.1 W Gifford-McMahon低温冷却器中集成了单通量量子(SFQ)读出电路的多元素超导纳米线单光子探测器(SSPD)阵列的成功运行。一种时间分辨读出技术,其中每个元素的输出信号以有限的时间间隔进入SFQ读出电路,该方法揭示了与SFQ读出电路连接的四元素SSPD阵列的无串扰操作。时序抖动和系统检测效率分别为50 ps和11.4%,与实际的单像素SSPD系统的性能相当。

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