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Ozhegov, R.; Morozov, D.; Maslennikov, S.; Okunev, O.; Smirnov, K.; Gol'tsman, G. |
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Submillimeter wave range imaging system for registering human body radiation and finding out the things covered under clothes |
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Conference Article |
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2004 |
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Proc. 3rd Int. exhibition and conf. Non-Destructive Testing Equipment and Devices |
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Moscow |
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345 |
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Ozhegov, R.; Maslennikov, S.; Morozov, D.; Okunev, O.; Smirnov, K.; Gol'tsman, G. |
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Title |
Imaging system for submillimeter wave range |
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Conference Article |
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2004 |
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Proc. Tenth All-Russian sceintific conference of student-physicists and young sceintists (VNKSF-10) |
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Moscow |
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RPLAB @ s @ thzimaging_vnksf10_2004 |
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347 |
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Maslennikov, S.; Vachtomin, Yu.; Antipov, S.; Smirnov, K.; Kaurova, N.; Grishina, E.; Voronov, B.; Gol'tsman, G. |
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Title |
NbN HEB mixers for frequencies of 2.5 and 3.8 THz |
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Conference Article |
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2004 |
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Proc. Tenth All-Russian sceintific conference of student-physicists and young sceintists (VNKSF-10) |
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Moscow |
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RPLAB @ s @ qoheb_vnksf10_2004 |
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349 |
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Kaurova, N. S.; Finkel, M. I.; Maslennikov, S. N.; Vahtomin, Yu. B.; Antipov, S. V.; Smirnov, K. V.; Voronov, B. M.; Gol'tsman, G. N.; Ilyin, K. S. |
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Submillimeter mixer based on YBa2Cu3O7-x thin film |
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Conference Article |
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2004 |
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Proc. 1-st conf. Fundamental problems of high temperature superconductivity |
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291 |
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HTS, HEB mixer |
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Moscow-Zvenigorod |
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Moscow-Zvenigorod |
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355 |
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Glejm, A. V.; Anisimov, A. A.; Asnis, L. N.; Vakhtomin, Yu. B.; Divochiy, A. V.; Egorov, V. I.; Kovalyuk, V. V.; Korneev, A. A.; Kynev, S. M.; Nazarov, Yu. V.; Ozhegov, R. V.; Rupasov, A. V.; Smirnov, K. V.; Smirnov, M. A.; Goltsman, G. N.; Kozlov, S. A. |
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Quantum key distribution in an optical fiber at distances of up to 200 km and a bit rate of 180 bit/s |
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Journal Article |
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2014 |
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Bulletin of the Russian Academy of Sciences. Physics |
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78 |
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3 |
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171-175 |
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SSPD, SNSPD, applications |
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An experimental demonstration of a subcarrier-wave quantum cryptography system with superconducting single-photon detectors (SSPDs) that distributes a secure key in a single-mode fiber at distance of 25 km with a bit rate of 800 kbit/s, a distance of 100 km with a bit rate of 19 kbit/s, and a distance of 200 km with a bit rate of 0.18 kbit/s is described. |
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1062-8738 |
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RPLAB @ kovalyuk @ |
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940 |
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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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Author |
Shcheslavskiy, V.; Morozov, P.; Divochiy, A.; Vakhtomin, Yu.; Smirnov, K.; Becker, W. |
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Ultrafast time measurements by time-correlated single photon counting coupled with superconducting single photon detector |
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Journal Article |
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2016 |
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Rev. Sci. Instrum. |
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87 |
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053117 (1 to 5) |
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SSPD, SNSPD, TCSPC, jitter |
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Time resolution is one of the main characteristics of the single photon detectors besides quantum efficiency and dark count rate. We demonstrate here an ultrafast time-correlated single photon counting (TCSPC) setup consisting of a newly developed single photon counting board SPC-150NX and a superconducting NbN single photon detector with a sensitive area of 7 × 7 μm. The combination delivers a record instrument response function with a full width at half maximum of 17.8 ps and system quantum efficiency ~5% at wavelength of 1560 nm. A calculation of the root mean square value of the timing jitter for channels with counts more than 1% of the peak value yielded about 7.6 ps. The setup has also good timing stability of the detector–TCSPC board. |
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1077 |
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Zolotov, P.; Divochiy, A.; Vakhtomin, Y.; Moshkova, M.; Morozov, P.; Seleznev, V.; Smirnov, K. |
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Photon-number-resolving SSPDs with system detection efficiency over 50% at telecom range |
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Conference Article |
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2018 |
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Proc. AIP Conf. |
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1936 |
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1 |
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020019 |
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NbN PNR SSPD, SNSPD |
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We used technology of making high-efficiency superconducting single-photon detectors as a basis for improvement of photon-number-resolving devices. By adding optical cavity and using an improved NbN superconducting film, we enhanced previously reported system detection efficiency at telecom range for such detectors. Our results show that implementation of optical cavity helps to develop four-section device with quantum efficiency over 50% at 1.55 µm. Performed experimental studies of detecting multi-photon optical pulses showed irregularities over defining multi-photon through single-photon quantum efficiency. |
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doi:10.1063/1.5025457 |
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1231 |
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Zolotov, P.; Vakhtomin, Yu.; Divochiy, A.; Seleznev, V.; Morozov, P.; Smirnov, K. |
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High-efficiency single-photon detectors based on NbN films |
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Miscellaneous |
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2013 |
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SSPD, SNSPD |
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We present our resent results in development and testing of Superconducting Single-Photon Detectors (SSPD) with detection efficiencies greater than 85%. High values of obtained results are assigned to proposed design of the detector with integrated resonator structure, including two-layer optical cavity and anti-reflective coating (ARC). |
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1254 |
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Goltsman, G.; Korneev, A.; Izbenko, V.; Smirnov, K.; Kouminov, P.; Voronov, B.; Kaurova, N.; Verevkin, A.; Zhang, J.; Pearlman, A.; Slysz, W.; Sobolewski, R. |
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Nano-structured superconducting single-photon detectors |
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2004 |
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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |
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520 |
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1-3 |
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527-529 |
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NbN SSPD, SNSPD |
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NbN detectors, formed into meander-type, 10×10-μm2 area structures, based on ultrathin (down to 3.5-nm thickness) and nanometer-width (down to below 100 nm) NbN films are capable of efficiently detecting and counting single photons from the ultraviolet to near-infrared optical wavelength range. Our best devices exhibit QE >15% in the visible range and ∼10% in the 1.3–1.5-μm infrared telecommunication window. The noise equivalent power (NEP) ranges from ∼10−17 W/Hz1/2 at 1.5 μm radiation to ∼10−19 W/Hz1/2 at 0.56 μm, and the dark counts are over two orders of magnitude lower than in any semiconducting competitors. The intrinsic response time is estimated to be <30 ps. Such ultrafast detector response enables a very high, GHz-rate real-time counting of single photons. Already established applications of NbN photon counters are non-invasive testing and debugging of VLSI Si CMOS circuits and quantum communications. |
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0168-9002 |
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