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Optical control of single-photon negative-feedback avalanche diode detector

机译:单光子负反馈雪崩二极管检测器的光学控制

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摘要

We experimentally demonstrate optical control of negative-feedback avalanche diode detectors using bright light. We deterministically generate fake single-photon detections with a better timing precision than normal operation. This could potentially open a security loophole in quantum cryptography systems. We then show how monitoring the photocurrent through the avalanche photodiode can be used to reveal the detector is being blinded.
机译:我们通过明亮的光进行实验证明了负反馈雪崩二极管探测器的光学控制。我们确定了比正常操作更好的时序精度的假单光子检测。这可能是在量子密码系统中打开安全漏洞。然后,我们示出了如何通过雪崩光电二极管监测光电流来揭示检测器正在蒙蔽。

著录项

  • 来源
    《Journal of Applied Physics》 |2020年第9期|094502.1-094502.6|共6页
  • 作者单位

    ID Quantique SA CH-1227 Carouge Switzerland Group of Applied Physics University of Geneva CH-1211 Geneva Switzerland;

    Institute for Quantum Computing University of Waterloo Waterloo Ontario N2L 3G1 Canada Department of Electrical and Computer Engineering University of Waterloo Waterloo Ontario N2L 3G1 Canada;

    Institute for Quantum Computing University of Waterloo Waterloo Ontario N2L 3G1 Canada Department of Electrical and Computer Engineering University of Waterloo Waterloo Ontario N2L 3G1 Canada Institute for Quantum Information & State Key Laboratory of High Performance Computing College of Computer National University of Defense Technology Changsha 410073 People's Republic of China;

    Institute for Quantum Computing University of Waterloo Waterloo Ontario N2L 3G1 Canada Department of Physics and Astronomy University of Waterloo Waterloo Ontario N2L3G1 Canada;

    ID Quantique SA CH-1227 Carouge Switzerland Group of Applied Physics University of Geneva CH-1211 Geneva Switzerland;

    Russian Quantum Center Skolkovo Moscow 121205 Russia Shanghai Branch National Laboratory for Physical Sciences at Microscale and CAS Center for Excellence in Quantum Information University of Science and Technology of China Shanghai 201315 People's Republic of China NTI Center for Quantum Communications National University of Science and Technology MISiS Moscow 119049 Russia;

    Group of Applied Physics University of Geneva CH-1211 Geneva Switzerland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
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