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Sidorova, M.; Semenov, A.; Hübers, H.-W.; Kuzmin, A.; Doerner, S.; Ilin, K.; Siegel, M.; Charaev, I.; Vodolazov, D. |
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Title |
Timing jitter in photon detection by straight superconducting nanowires: Effect of magnetic field and photon flux |
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Journal Article |
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2018 |
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Phys. Rev. B |
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Phys. Rev. B |
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98 |
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13 |
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134504 (1 to 14) |
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SNSPD, NbN namowires |
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We studied the effects of the external magnetic field and photon flux on timing jitter in photon detection by straight superconducting NbN nanowires. At two wavelengths 800 and 1560 nm, statistical distribution in the appearance times of photon counts exhibits Gaussian shape at small times and an exponential tail at large times. The characteristic exponential time is larger for photons with smaller energy and increases with external magnetic field while variations in the Gaussian part of the distribution are less pronounced. Increasing photon flux drives the nanowire from the discrete quantum detection regime to the uniform bolometric regime that averages out fluctuations of the total number of nonequilibrium electrons created by the photon and drastically reduces jitter. The difference between standard deviations of Gaussian parts of distributions for these two regimes provides the measure for the strength of electron-number fluctuations; it increases with the photon energy. We show that the two-dimensional hot-spot detection model explains qualitatively the effect of magnetic field. |
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1842 |
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Korneeva, Yu. P.; Trifonov, A. V.; Vakhtomin, Yu. B.; Smirnov, K. V. |
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Title |
Design of resonator for superconducting single-photon detector |
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Journal Article |
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2011 |
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Rus. J. Radio Electron. |
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Rus. J. Radio Electron. |
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12 |
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SSPD optical resonator, SNSPD |
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A resonator for superconducting single-photon detector is designed. Near 60% coupling with a radiation propagating from a dielectric substrate of optical fiber is demonstrated to be achieved for typical values of the detector’s film sheet resistance. |
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Russian |
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6 pages |
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1827 |
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Чулкова, Галина Меркурьевна; Семёнов, Александр Владимирович; Тархов, Михаил Александрович; Гольцман, Григорий Наумович; Корнеев, Александр Александрович; Смирнов, Константин Владимирович |
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О возможности использования PNR-SNPD в системах телекоммуникационной связи |
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2012 |
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Преподаватель ХХI век |
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2 |
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244-246 |
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PNR SSPD, SNSPD, SNPD |
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Рассмотрена возможность применения сверхпроводникового нанополоскового детектора, разрешающего число фотонов (Photon-Number Resolving Superconducting Nanowire Photon Detector, PNR-SNPD), в качестве датчика приёмных модулей телекоммуникационных линий. Оценена мощность оптического импульса, необходимая для достижения приемлемо низкой доли ошибочных битов. |
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1826 |
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Корнеева, Ю. П.; Трифонов, А. В.; Вахтомин, Ю. Б.; Смирнов, К. В.; Корнеев, А. А.; Рябчун, С. А.; Третьяков, И. В.; Гольцман, Г. Н. |
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Расчет согласующего оптического резонатора для сверхпроводникового нанополоскового детектора |
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2012 |
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Преподаватель ХХI век |
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3 |
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225-227 |
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SSPD, SNSPD |
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В статье произведен расчет резонатора, предназначенного для согласования сверхпроводникового нанополоскового однофотонного детектора с оптическим сигналом. Показано, что для детектора, выполненного из пленки с типичным сопротивлением квадрата 500 Ом и коэффициентом заполнения 0.5 коэффициент согласования с излучением, поляризованным параллельно полоскам детектора, достигает величины около 60%. |
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1823 |
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Shcheslavskiy, V.; Morozov, P.; Divochiy, A.; Vakhtomin, Y.; Smirnov, K.; Becker, W. |
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Erratum: “Ultrafast time measurements by time-correlated single photon counting coupled with superconducting single photon detector” [Rev. Sci. Instrum. 87, 053117 (2016)] |
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Miscellaneous |
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2016 |
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Rev. Sci. Instrum. |
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Rev. Sci. Instrum. |
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87 |
Issue |
6 |
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069901 |
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SSPD, SNSPD, TCSPC, jitter |
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In the original paper1the Ref. 10 should be M. Sanzaro, N. Calandri, A. Ruggeri, C. Scarcella, G. Boso, M. Buttafava, and A. Tosi, Proc. SPIE9370, 93701T (2015). |
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Becker & Hickl GmbH, Nahmitzer Damm 30, Berlin 12277, Germany |
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0034-6748 |
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PMID:27370512 |
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1810 |
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