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Smirnov, A. V.; Karmantsov, M. S.; Smirnov, K. V.; Vakhtomin, Y. B.; Masterov, D. V.; Tarkhov, M. A.; Pavlov, S. A.; Parafin, A. E. |
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Title |
Terahertz response of thin-film YBCO bolometers |
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Journal Article |
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2012 |
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Tech. Phys. |
Abbreviated Journal |
Tech. Phys. |
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Volume |
57 |
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12 |
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1716-1719 |
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Keywords |
YBCO HEB |
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The bolometric response of high-temperature thin-film YBCO superconducting detectors to an electromagnetic radiation with a frequency of 2.5 THz is measured for the first time. The minimum value of the noise-equivalent power of the detectors is 3.5 × 10−9 W/Hz−−−√. The feasibility of further increasing the sensitivity of the detectors is discussed. |
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1063-7842 |
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1817 |
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Гершензон, Е. М.; Семенов, И. Т.; Фогельсон, М. С. |
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Спин-решеточная релаксация доноров фосфора в кремнии при одноосной деформации образца |
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1985 |
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Физика и техника полупроводников |
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Физика и техника полупроводников |
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19 |
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9 |
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1696-1698 |
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uniaxial pressure, Ge, phosphorus donors, spin-lattice relaxation |
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1760 |
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Lipatov, A.; Okunev, O.; Smirnov, K.; Chulkova, G.; Korneev, A.; Kouminov, P.; Gol'tsman, G.; Zhang, J.; Slysz, W.; Verevkin, A.; Sobolewski, R. |
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An ultrafast NbN hot-electron single-photon detector for electronic applications |
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Journal Article |
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2002 |
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Supercond. Sci. Technol. |
Abbreviated Journal |
Supercond. Sci. Technol. |
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15 |
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12 |
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1689-1692 |
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NbN SSPD, SNSPD, QE, jitter, dark counts |
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We present the latest generation of our superconducting single-photon detector (SPD), which can work from ultraviolet to mid-infrared optical radiation wavelengths. The detector combines a high speed of operation and low jitter with high quantum efficiency (QE) and very low dark count level. The technology enhancement allows us to produce ultrathin (3.5 nm thick) structures that demonstrate QE hundreds of times better, at 1.55 μm, than previous 10 nm thick SPDs. The best, 10 × 10 μm2, SPDs demonstrate QE up to 5% at 1.55 μm and up to 11% at 0.86 μm. The intrinsic detector QE, normalized to the film absorption coefficient, reaches 100% at bias currents above 0.9 Ic for photons with wavelengths shorter than 1.3 μm. |
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0953-2048 |
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1533 |
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Гольцман, Г. Н.; Птицина, Н. Г.; Ригер, Е. Р. |
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Title |
Оже-рекомбинация свободных носителей на мелких донорах в германии |
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1984 |
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Физика и техника полупроводников |
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Физика и техника полупроводников |
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18 |
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9 |
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1684-1686 |
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Ge, free carrier recombination |
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Russian |
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1710 |
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Kawamura, J.; Blundell, R.; Tong, C.-yu E.; Gol’tsman, G.; Gershenzon, E.; Voronov, B.; Cherednichenko, S. |
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Low noise NbN lattice-cooled superconducting hot-electron bolometric mixers at submillimeter wavelengths |
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1997 |
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Appl. Phys. Lett. |
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Appl. Phys. Lett. |
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70 |
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12 |
Pages |
1619-1621 |
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Keywords |
NbN HEB mixers |
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Lattice-cooled superconducting hot-electron bolometric mixers are used in a submillimeter-wave waveguide heterodyne receiver. The mixer elements are niobium nitride film with 3.5 nm thickness and ∼10 μm2 area. The local oscillator power for optimal performance is estimated to be 0.5 μW, and the instantaneous bandwidth is 2.2 GHz. At an intermediate frequency centered at 1.4 GHz with 200 MHz bandwidth, the double sideband receiver noise temperature is 410 K at 430 GHz. The receiver has been used to detect molecular line emission in a laboratory gas cell. |
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0003-6951 |
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1599 |
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