Optical bias and cryogenic laser readout of a multipixel superconducting nanowire single photon detector

IF 5.4 1区 物理与天体物理 Q1 OPTICS APL Photonics Pub Date : 2024-07-25 DOI:10.1063/5.0209458
Frederik Thiele, Niklas Lamberty, Thomas Hummel, Tim Bartley
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Abstract

Cryogenic opto-electronic interconnects are gaining increasing interest as a means to control and readout cryogenic electronic components. The challenge is to achieve sufficient signal integrity with low heat load processing. In this context, we demonstrate the opto-electronic bias and readout of a commercial four-pixel superconducting nanowire single-photon detector array using a cryogenic photodiode and laser. We show that this approach has a similar system detection efficiency to a conventional bias. Furthermore, multi-pixel detection events are faithfully converted between the optical and electrical domains, which allows reliable extraction of amplitude multiplexed photon statistics. Our device has a latent heat load of 2.6 mW, maintains a signal rise time of 3 ns, and operates in free-running (self-resetting) mode at a repetition rate of 600 kHz. This demonstrates the potential of high-bandwidth, low noise, and low heat load opto-electronic interconnects for scalable cryogenic signal processing and transmission.
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多像素超导纳米线单光子探测器的光学偏置和低温激光读出功能
低温光电互连作为控制和读出低温电子元件的一种手段,正受到越来越多的关注。挑战在于如何在低热负荷处理过程中实现足够的信号完整性。在此背景下,我们利用低温光电二极管和激光器演示了商用四像素超导纳米线单光子探测器阵列的光电偏置和读出。我们的研究表明,这种方法的系统检测效率与传统偏置方法类似。此外,多像素检测事件可在光域和电域之间进行忠实转换,从而可靠地提取振幅多路复用光子统计数据。我们的设备潜热负荷为 2.6 mW,信号上升时间为 3 ns,以 600 kHz 的重复频率在自由运行(自复位)模式下工作。这证明了高带宽、低噪声、低热负荷光电互连器件在可扩展低温信号处理和传输方面的潜力。
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来源期刊
APL Photonics
APL Photonics Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
10.30
自引率
3.60%
发文量
107
审稿时长
19 weeks
期刊介绍: APL Photonics is the new dedicated home for open access multidisciplinary research from and for the photonics community. The journal publishes fundamental and applied results that significantly advance the knowledge in photonics across physics, chemistry, biology and materials science.
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