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Author |
Stucki, D.; Walenta, N.; Vannel, F.; Thew, R.T.; Gisin, N.; Zbinden, H.; Gray, S.; Towery, C. R.; Ten, S. |
Title |
High rate long-distance quantum key distribution over 250 km of ultra low loss fibres |
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Journal Article |
Year |
2009 |
Publication |
New J. Phys. |
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Volume |
11 |
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7 |
Pages |
075003 |
Keywords |
SSPD, quantum cryptography, QKD, COW |
Abstract |
We present a fully automated quantum key distribution prototype running at 625 MHz clock rate. Taking advantage of ultra low loss fibres and low-noise superconducting detectors, we can distribute 6,000 secret bits per second over 100 km and 15 bits per second over 250km. |
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RPLAB @ akorneev @ |
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610 |
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McCarthy, Aongus; Krichel, Nils J.; Gemmell, Nathan R.; Ren, Ximing; Tanner, Michael G.; Dorenbos, Sander N.; Zwiller, Val; Hadfield, Robert H.; Buller, Gerald S. |
Title |
Kilometer-range, high resolution depth imaging via 1560 nm wavelength single-photon detection |
Type |
Journal Article |
Year |
2013 |
Publication |
Opt. Express |
Abbreviated Journal |
Opt. Express |
Volume |
21 |
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7 |
Pages |
8904-8915 |
Keywords |
SSPD, SNSPD, lidar, SSPD applications, SNSPD applications |
Abstract |
This paper highlights a significant advance in time-of-flight depth imaging: by using a scanning transceiver which incorporated a free-running, low noise superconducting nanowire single-photon detector, we were able to obtain centimeter resolution depth images of low-signature objects in daylight at stand-off distances of the order of one kilometer at the relatively eye-safe wavelength of 1560 nm. The detector used had an efficiency of 18% at 1 kHz dark count rate, and the overall system jitter was ~100 ps. The depth images were acquired by illuminating the scene with an optical output power level of less than 250 µW average, and using per-pixel dwell times in the millisecond regime. |
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1053 |
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Elezov, M. S.; Semenov, A. V.; An, P. P.; Tarkhov, M. A.; Goltsman, G. N.; Kardakova, A. I.; Kazakov, A. Y. |
Title |
Investigating the detection regimes of a superconducting single-photon detector |
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Journal Article |
Year |
2013 |
Publication |
J. Opt. Technol. |
Abbreviated Journal |
J. Opt. Technol. |
Volume |
80 |
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7 |
Pages |
435 |
Keywords |
SSPD, quantum efficiency |
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The detection regimes of a superconducting single-photon detector have been investigated. A technique is proposed for determining the regions in which “pure regimes” predominate. Based on experimental data, the dependences of the internal quantum efficiency on the bias current are determined in the one-, two-, and three-photon detection regimes. |
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1070-9762 |
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1172 |
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Author |
Korneev, A.; Korneeva, Y.; Florya, I.; Semenov, A.; Goltsman, G. |
Title |
Photon switching statistics in multistrip superconducting single-photon detectors |
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Journal Article |
Year |
2018 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
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28 |
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7 |
Pages |
1-4 |
Keywords |
SSPD, SNSPD |
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We study photon count statistics in superconducting single-photon detectors consisting of up to 70 narrow superconducting strips connected in parallel. Using interarrival time analysis, we demonstrate that our samples are operated in the “arm-trigger” regime and require up to seven subsequently absorbed photons to form a resistive state in the whole sample. We also performed numerical simulation of the light and dark count rates versus detector bias current, which are in good agreement with the experimental results. |
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1051-8223 |
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1304 |
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Author |
Stevens, M.; Hadfeld, R.; Schwall, R.; Nam, S.W.; and Mirin, R. |
Title |
Quantum dot single photon sources studied with superconducting single photon detectors |
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Journal Article |
Year |
2006 |
Publication |
IEEE J. Sel. Topics Quantum Electron. |
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12 |
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6 |
Pages |
1255-1267 |
Keywords |
SSPD, jitter, QD, QW |
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RPLAB @ akorneev @ |
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612 |
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