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Smirnov, K. V.; Vakhtomin, Yu. B.; Divochiy, A. V.; Ozhegov, R. V.; Pentin, I. V.; Gol'tsman, G. N. |
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Infrared and terahertz detectors on basis of superconducting nanostructures |
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Conference Article |
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2010 |
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Microwave and Telecom. Technol. (CriMiCo), 20th Int. Crimean Conf. |
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823-824 |
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SSPD, SNSPD, HEB |
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Results of development of single-photon receiving systems of visible, infrared and terahertz range based on thin-film superconducting nanostructures are presented. The receiving systems are produced on the basis of superconducting nanostructures, which function by means of hot-electron phenomena. |
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IEEE |
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RPLAB @ sasha @ smirnov2010infrared |
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1025 |
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Korneev, A.; Divochiy, A.; Marsili, F.; Bitauld, D.; Fiore, A.; Seleznev, V.; Kaurova, N.; Tarkhov, M.; Minaeva, O.; Chulkova, G.; Smirnov, K.; Gaggero, A.; Leoni, R.; Mattioli, F.; Lagoudakis, K.; Benkhaoul, M.; Levy, F.; Goltsman, G. |
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Title |
Superconducting photon number resolving counter for near infrared applications |
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2008 |
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Proc. SPIE |
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Proc. SPIE |
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7138 |
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713828 (1 to 5) |
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PNR SSPD; SNSPD; Nanowire superconducting single-photon detector, ultrathin NbN film, infrared |
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We present a novel concept of photon number resolving detector based on 120-nm-wide superconducting stripes made of 4-nm-thick NbN film and connected in parallel (PNR-SSPD). The detector consisting of 5 strips demonstrate a capability to resolve up to 4 photons absorbed simultaneously with the single-photon quantum efficiency of 2.5% and negligibly low dark count rate. |
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Spie |
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Tománek, P.; Senderáková, D.; Hrabovský, M. |
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10.1117/12.818079 |
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1241 |
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Marsili, Francesco; Bitauld, David; Fiore, Andrea; Gaggero, Alessandro; Mattioli, Francesco; Leoni, Roberto; Divochiy, Aleksander; Gol'tsman, Gregory |
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Photon-number-resolution at telecom wavelength with superconducting nanowires |
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Miscellaneous |
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2010 |
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IntechOpen |
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SSPD, SNSPD |
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RPLAB @ sasha @ marsiliphoton |
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1036 |
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Fiore, A.; Marsili, F.; Bitauld, D.; Gaggero, A.; Leoni, R.; Mattioli, F.; Divochiy, A.; Korneev, A.; Seleznev, V.; Kaurova, N.; Minaeva, O.; Gol’tsman, G. |
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Counting photons using a nanonetwork of superconducting wires |
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2009 |
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Nano-Net |
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120-122 |
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SSPD, SNSPD |
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We show how the parallel connection of photo-sensitive superconducting nanowires can be used to count the number of photons in an optical pulse, down to the single-photon level. Using this principle we demonstrate photon-number resolving detectors with unprecedented sensitivity and speed at telecommunication wavelengths. |
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Springer Berlin Heidelberg |
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Berlin, Heidelberg |
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Cheng, M. |
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978-3-642-02427-6 |
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10.1007/978-3-642-02427-6_20 |
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1242 |
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Maingault, L.; Tarkhov, M.; Florya, I.; Semenov, A.; Espiau de Lamaëstre, R.; Cavalier, P.; Gol’tsman, G.; Poizat, J.-P.; Villégier, J.-C. |
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Title |
Spectral dependency of superconducting single photon detectors |
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2010 |
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J. Appl. Phys. |
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J. Appl. Phys. |
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107 |
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11 |
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116103 (1 to 3) |
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NbN SSPD, SNSPD |
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We investigate the effect of varying both incoming optical wavelength and width of NbN nanowires on the superconducting single photon detectors (SSPD) detection efficiency. The SSPD are current biased close to critical value and temperature fixed at 4.2 K, far from transition. The experimental results are found to verify with a good accuracy predictions based on the “hot spot model,” whose size scales with the absorbed photon energy. With larger optical power inducing multiphoton detection regime, the same scaling law remains valid, up to the three-photon regime. We demonstrate the validity of applying a limited number of measurements and using such a simple model to reasonably predict any SSPD behavior among a collection of nanowire device widths at different photon wavelengths. These results set the basis for designing efficient single photon detectors operating in the infrared (2–5 μm range).
This work was supported by European projects FP6 STREP “SINPHONIA” (Contract No. NMP4-CT-2005-16433) and IP “QAP” (Contract No. 15848). |
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0021-8979 |
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1392 |
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