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Author | Elezov, M. S.; Ozhegov, R. V.; Goltsman, G. N.; Makarov, V. | ||||
Title | Development of the experimental setup for investigation of latching of superconducting single-photon detector caused by blinding attack on the quantum key distribution system | Type | Conference Article | ||
Year | 2017 | Publication | EPJ Web of Conferences | Abbreviated Journal | EPJ Web of Conferences |
Volume | 132 | Issue | 2 | Pages | 2 |
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Abstract | Recently bright-light control of the SSPD has been demonstrated. This attack employed a “backdoor†in the detector biasing scheme. Under bright-light illumination, SSPD becomes resistive and remains “latched†in the resistive state even when the light is switched off. While the SSPD is latched, Eve can simulate SSPD single-photon response by sending strong light pulses, thus deceiving Bob. We developed the experimental setup for investigation of a dependence on latching threshold of SSPD on optical pulse length and peak power. By knowing latching threshold it is possible to understand essential requirements for development countermeasures against blinding attack on quantum key distribution system with SSPDs. |
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Notes | Approved | no | |||
Call Number | RPLAB @ kovalyuk @ | Serial | 1116 | ||
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Author | Rosfjord, K. M.; Yang, J. K. W.; Dauler, E. A.; Anant, V.; Berggren, K. K.; Kerman, A. J.; Voronov, B. M.; Gol’tsman, G. N. | ||||
Title | Increased detection efficiencies of nanowire single-photon detectors by integration of an optical cavity and anti-reflection coating | Type | Conference Article | ||
Year | 2006 | Publication | CLEO/QELS | Abbreviated Journal | CLEO/QELS |
Volume | Issue | Pages | JTuF2 (1 to 2) | ||
Keywords | SSPD, SNSPD | ||||
Abstract | We fabricate and test superconducting NbN-nanowire single-photon detectors with an integrated optical cavity and anti-reflection coating. We design the cavity and coating such as to maximize absorption in the NbN film of the detector. | ||||
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Area | Expedition | Conference | 2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference | ||
Notes | Approved | no | |||
Call Number | Serial | 1452 | |||
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Author | Moshkova, M. A.; Morozov, P. V.; Antipov, A. V.; Vakhtomin, Y. B.; Smirnov, K. V. | ||||
Title | High-efficiency multi-element superconducting single-photon detector | Type | Conference Article | ||
Year | 2021 | Publication | Proc. SPIE | Abbreviated Journal | Proc. SPIE |
Volume | 11771 | Issue | Pages | 2-8 | |
Keywords | PNR SSPD, large active area, detection efficiency | ||||
Abstract | We present the result of the creation and investigation of the multi-element superconducting single photon detectors, which can recognize the number of photons (up to six) in a short pulse of the radiation at telecommunication wavelengths range. The best receivers coupled with single-mode fiber have the system quantum efficiency of ⁓85%. The receivers have a 100 ps time resolution and a few nanoseconds dead time that allows them to operate at megahertz counting rate. Implementation of the multi-element architecture for creation of the superconducting single photon detectors with increased sensitive area allows to create the high efficiency receivers coupled with multi-mode fibers and with preserving of the all advantages of superconducting photon counters. | ||||
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Publisher | SPIE | Place of Publication | Editor | Prochazka, I.; Štefaňák, M.; Sobolewski, R.; Gábris, A. | |
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Area | Expedition | Conference | Quantum Optics and Photon Counting | ||
Notes | Approved | no | |||
Call Number | Serial | 1795 | |||
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Author | Verevkin, A.; Williams, C.; Gol’tsman, G. N.; Sobolewski, R.; Gilbert, G. | ||||
Title | Single-photon superconducting detectors for practical high-speed quantum cryptography | Type | Miscellaneous | ||
Year | 2001 | Publication | OFCC/ICQI | Abbreviated Journal | OFCC/ICQI |
Volume | Issue | Pages | Pa3 | ||
Keywords | NbN SSPD, SNSPD, QKD, quantum cryptography | ||||
Abstract | We have developed an ultrafast superconducting single-photon detector with negligible dark counting rate. The detector is based on an ultrathin, submicron-wide NbN meander-type stripe and can detect individual photons in the visible to near-infrared wavelength range at a rate of at least 10 Gb/s. The above counting rate allows us to implement the NbN device to unconditionally secret quantum key distRochester, New Yorkribution in a practical, high-speed system using real-time Vernam enciphering. | ||||
Address | Rochester, New York | ||||
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Publisher | Optical Society of America | Place of Publication | Editor | ||
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Area | Expedition | Conference | Optical Fiber Communication Conference and International Conference on Quantum Information | ||
Notes | -- from poster session. | Approved | no | ||
Call Number | Serial | 1544 | |||
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Author | Beck, M.; Klammer, M.; Rousseau, I.; Gol’tsman, G. N.; Diamant, I.; Dagan, Y.; Demsar, J. | ||||
Title | Probing superconducting gap dynamics with THz pulses | Type | Conference Article | ||
Year | 2015 | Publication | CLEO | Abbreviated Journal | CLEO |
Volume | Issue | Pages | SM3H.3 (1 to 2) | ||
Keywords | superconducting gap; electric fields; femtosecond pulses; near infrared radiation; picosecond pulses; superconductors; thin films | ||||
Abstract | We studied superconducting gap dynamics in a BCS superconductor NbN and electron doped cuprate superconductor PCCO following excitation with near-infrared (NIR) and narrow band THz pulses. Systematic studies on PCCO imply very selective electron-phonon coupling. | ||||
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Publisher | Optical Society of America | Place of Publication | Editor | ||
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Notes | Approved | no | |||
Call Number | Serial | 1345 | |||
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