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Manova, N. N.; Smirnov, E. O.; Korneeva, Yu. P.; Korneev, A. A.; Goltsman, G. N. |
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Title |
Superconducting photon counter for nanophotonics applications |
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Conference Article |
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Year |
2019 |
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J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
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Volume |
1410 |
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012147 (1 to 5) |
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Keywords |
SSPD, SNSPD |
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We develop large area superconducting single-photon detector SSPD with a micron-wide strip suitable for free-space coupling or packaging with multi-mode optical fibres. The detector sensitive area is 20 μm in diameter. In near infrared (1330 nm wavelength) our SSPD exhibits above 30% detection efficiency with low dark counts and 45 ps timing jitter. |
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1742-6588 |
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1271 |
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Korneev, Alexander; Vachtomin, Yury; Minaeva, Olga; Divochiy, Alexander; Smirnov, Konstantin; Okunev, Oleg; Gol'tsman, Gregory; Zinoni, C.; Chauvin, Nicolas; Balet, Laurent; Marsili, Francesco; Bitauld, David; Alloing, Blandine; Li, Lianhe; Fiore, Andrea; Lunghi, L.; Gerardino, Annamaria; Halder, Matthäus; Jorel, Corentin; Zbinden, Hugo |
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Title |
Single-photon detection system for quantum optics applications |
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Journal Article |
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Year |
2007 |
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IEEE J. Select. Topics Quantum Electron. |
Abbreviated Journal |
IEEE J. Select. Topics Quantum Electron. |
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Volume |
13 |
Issue |
4 |
Pages |
944-951 |
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Keywords |
SSPD, SNSPD |
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We describe the design and characterization of a fiber-coupled double-channel single-photon detection system based on superconducting single-photon detectors (SSPD), and its application for quantum optics experiments on semiconductor nanostructures. When operated at 2-K temperature, the system shows 10% quantum efficiency at 1.3-¿m wavelength with dark count rate below 10 counts per second and timing resolution <100 ps. The short recovery time and absence of afterpulsing leads to counting frequencies as high as 40 MHz. Moreover, the low dark count rate allows operation in continuous mode (without gating). These characteristics are very attractive-as compared to InGaAs avalanche photodiodes-for quantum optics experiments at telecommunication wavelengths. We demonstrate the use of the system in time-correlated fluorescence spectroscopy of quantum wells and in the measurement of the intensity correlation function of light emitted by semiconductor quantum dots at 1300 nm. |
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1077-260X |
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430 |
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Smirnov, E.; Golikov, A.; Zolotov, P.; Kovalyuk, V.; Lobino, M.; Voronov, B.; Korneev, A.; Goltsman, G. |
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Title |
Superconducting nanowire single-photon detector on lithium niobate |
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Conference Article |
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Year |
2018 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
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1124 |
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051025 |
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Keywords |
SSPD, SNSPD, lithium niobate, LN |
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We demonstrate superconducting niobium nitride nanowires folded on top of lithium niobate substrate. We report of 6% system detection efficiency at 20 s−1 dark count rate at telecommunication wavelength (1550 nm). Our results shown great potential for the use of NbN nanowires in the field of linear and nonlinear integrated quantum photonics. |
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1742-6588 |
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1194 |
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Korneeva, Y. P.; Vodolazov, D. Y.; Semenov, A. V.; Florya, I. N.; Simonov, N.; Baeva, E.; Korneev, A. A.; Goltsman, G. N.; Klapwijk, T. M. |
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Title |
Optical single-photon detection in micrometer-scale NbN bridges |
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Journal Article |
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2018 |
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Phys. Rev. Applied |
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Phys. Rev. Applied |
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Volume |
9 |
Issue |
6 |
Pages |
064037 (1 to 13) |
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Keywords |
NbN SSPD, SNSPD |
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We demonstrate experimentally that single-photon detection can be achieved in micrometer-wide NbN bridges, with widths ranging from 0.53 to 5.15 μm and for photon wavelengths of 408 to 1550 nm. The microbridges are biased with a dc current close to the experimental critical current, which is estimated to be about 50% of the theoretically expected depairing current. These results offer an alternative to the standard superconducting single-photon detectors, based on nanometer-scale nanowires implemented in a long meandering structure. The results are consistent with improved theoretical modeling based on the theory of nonequilibrium superconductivity, including the vortex-assisted mechanism of initial dissipation. |
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2331-7019 |
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1303 |
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Schuck, C.; Pernice, W. H. P.; Minaeva, O.; Li, Mo; Gol'tsman, G.; Sergienko, A. V.; Tang, H. X. |
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Title |
Matrix of integrated superconducting single-photon detectors with high timing resolution |
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Journal Article |
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2013 |
Publication |
IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
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23 |
Issue |
3 |
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2201007-2201007 |
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Keywords |
NbN SSPD, SNSPD, array, matrix |
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Abstract |
We demonstrate a large grid of individually addressable superconducting single photon detectors on a single chip. Each detector element is fully integrated into an independent waveguide circuit with custom functionality at telecom wavelengths. High device density is achieved by fabricating the nanowire detectors in traveling wave geometry directly on top of silicon-on-insulator waveguides. Our superconducting single photon detector matrix includes detector designs optimized for high detection efficiency, low dark count rate, and high timing accuracy. As an example, we exploit the high timing resolution of a particularly short nanowire design to resolve individual photon round-trips in a cavity ring-down measurement of a silicon ring resonator. |
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1051-8223 |
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1373 |
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