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Automated verification of countermeasure against detector-control attack in quantum key distribution
Polina Acheva, Konstantin Zaitsev, Vladimir Zavodilenko +3
Attacks that control single-photon detectors in quantum key distribution using tailored bright illumination are capable of eavesdropping the secret key. Here we report an automated…
Repeated radiation damage and thermal annealing of avalanche photodiodes
Ian DSouza, Jean-Philippe Bourgoin, Brendon L. Higgins +6
Avalanche photodiodes (APDs) are well-suited for single-photon detection on quantum communication satellites as they are a mature technology with high detection efficiency without…
A countermeasure against bright-light attack on superconducting nanowire single-photon detector in quantum key distribution
Mikhail Elezov, Roman Ozhegov, Gregory Goltsman +1
We present an active anti-latching system for superconducting nanowire single-photon detectors. We experimentally test it against a bright-light attack, previously used to compromi…
Mitigating radiation damage of single photon detectors for space applications
Elena Anisimova, Brendon L. Higgins, Jean-Philippe Bourgoin +7
Single-photon detectors in space must retain useful performance characteristics despite being bombarded with sub-atomic particles. Mitigating the effects of this space radiation is…
Ultra-low noise single-photon detector based on Si avalanche photodiode
Yong-Su Kim, Youn-Chang Jeong, Sebastien Sauge +2
We report operation and characterization of a lab-assembled single-photon detector based on commercial silicon avalanche photodiodes (PerkinElmer C30902SH, C30921SH). Dark count ra…