Records |
Author |
Финкель, М. И.; Масленников, С. Н.; Гольцман, Г. Н. |
Title |
Супергетеродинные терагерцовые приёмники со сверхпроводниковым смесителем на электронном разогреве |
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Journal Article |
Year |
2005 |
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Известия высших учебных заведений. Радиофизика |
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48 |
Issue |
10 |
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964-970 |
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russian |
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Duplicated as 381 |
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380 |
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Корнеев, А. А.; Минаева, О.; Рубцова, И.; Милостная, И.; Чулкова, Г.; Воронов, Б.; Смирнов, К.; Селезнёв, В.; Гольцман, Г.; Pearlman, A.; Slysz, W.; Cross, A.; Alvarez, P.; Верёвкин, А.; Sobolewski, R. |
Title |
Сверхпроводящий однофотонный детектор на основе ультратонкой пленки NbN |
Type |
Journal Article |
Year |
2005 |
Publication |
Квантовая электроника |
Abbreviated Journal |
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Volume |
35 |
Issue |
8 |
Pages |
698-700 |
Keywords |
NbN SSPD, SNSPD |
Abstract |
Представлены результаты исследований сверхпроводящих однофотонных детекторов, изготовленных из ультратонкой пленки NbN. Развитие технологического процесса изготовления детекторов, а также снижение рабочей температуры до 2 К позволили существенно увеличить квантовую эффективность: для видимого света (λ = 0.56 мкм) она составила 30%–40%, т.е. достигла предела, определяемого коэффициентом поглощения пленки. С ростом длины волны квантовая эффективность экспоненциально падает, составляя ~20% на λ=1.55 мкм и ~0.02% на λ = 5 мкм. При скорости темнового счета ~10-4s-1 экспериментально измеренная эквивалентная мощность шума составила 1.5 × 10-20 Вт/Гц-1/2; в дальнейшем она может быть уменьшена до рекордно низкого значения 5 × 10-21 Вт/Гц-1/2. Временное разрешение детектора равно 30 пс. |
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Russian |
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Duplicated as 383 (Superconducting single-photon ultrathin NbN film detector) |
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382 |
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Author |
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. |
Title |
Superconducting single-photon ultrathin NbN film detector |
Type |
Journal Article |
Year |
2005 |
Publication |
Quantum Electronics |
Abbreviated Journal |
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Volume |
35 |
Issue |
8 |
Pages |
698-700 |
Keywords |
NbN SSPD, SNSPD |
Abstract |
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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Author |
Goizel, Annesco; Smith, David |
Title |
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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Author |
Delsim-Yashemi, H.; Fröhlich, L.; Grimm, O. |
Title |
Detector response and beam line transmission measurements with far-infrared radiation |
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Conference Article |
Year |
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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