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Korneev, A.; Minaeva, O.; Rubtsova, I.; Milostnaya, I.; Chulkova, G.; Voronov, B.; Smirnov, K.; Seleznev, V.; Gol'tsman, G.; Pearlman, A.; Slysz, W.; Cross, A.; Alvarez, P.; Verevkin, A.; Sobolewski, R. |
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Title |
Superconducting single-photon ultrathin NbN film detector |
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Journal Article |
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2005 |
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Quantum Electronics |
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35 |
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8 |
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698-700 |
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NbN SSPD, SNSPD |
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Superconducting single-photon ultrathin NbN film detectors are studied. The development of manufacturing technology of detectors and the reduction of their operating temperature down to 2 K resulted in a considerable increase in their quantum efficiency, which reached in the visible region (at 0.56 μm) 30%—40%, i.e., achieved the limit determined by the absorption coefficient of the film. The quantum efficiency exponentially decreases with increasing wavelength, being equal to ~20% at 1.55 μm and ~0.02% at 5 μm. For the dark count rate of ~10-4s-1, the experimental equivalent noise power was 1.5×10-20 W Hz-1/2; it can be decreased in the future down to the record low value of 5×10-21 W Hz-1/2. The time resolution of the detector is 30 ps. |
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Сверхпроводящий однофотонный детектор на основе ультратонкой пленки NbN |
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383 |
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Datesman, A.M.; Schultz, J.C.; Lichtenberger, A.W.; Golish, D.; Walker, C.K.; Kooi, J. |
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Fabrication and characterization of niobium diffusion-cooled hot-electron bolometers on silicon nitride membranes |
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Journal Article |
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2005 |
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IEEE Trans. Appl. Supercond. |
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15 |
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2 |
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928-931 |
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1051-8223 |
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439 |
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Encrenaz, Thérèse |
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Title |
Neutral Atmospheres of the Giant Planets: An Overview of Composition Measurements |
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Journal Article |
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2005 |
Publication |
Space Science Reviews |
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Space Sci Rev |
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116 |
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1-2 |
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99-119 |
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0038-6308 |
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RPLAB @ s @ |
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443 |
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Goizel, Annesco; Smith, David |
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Thermometry down to 300 mK for space instrumentation |
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Miscellaneous |
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2005 |
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RPLAB @ s @ |
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444 |
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Delsim-Yashemi, H.; Fröhlich, L.; Grimm, O. |
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Title |
Detector response and beam line transmission measurements with far-infrared radiation |
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Conference Article |
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2005 |
Publication |
Proc. 27th International free electron laser conference |
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106-109 |
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Stanford, California |
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448 |
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