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Казаков, А. Ю.; Кардакова, А. И.; Селиверстов, С. В.; Горшков, К. Н.; Дивочий, А. В.; Финкель, М. И.; Корнеев, А. А.; Вахтомин, Ю. Б. |
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Title |
Возможность применения сверхпроводниковых материалов в качестве отражающего покрытия холодного зеркала телескопа субмиллиметрового диапазона |
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Journal Article |
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2012 |
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Совр. проб. науки и обр. |
Abbreviated Journal |
Совр. проб. науки и обр. |
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3 |
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1-5 |
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Keywords |
radio telescope, superconducting coating |
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russian |
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2070-7428 |
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УДК 520.272.2 |
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RPLAB @ sasha @ казаковвозможность |
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1030 |
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Author |
Чулкова, Г. М.; Семёнов, А. В.; Дивочий, А. В.; Тархов, М. А. |
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Title |
Сверхпроводниковый однофотонный детектор с разрешением числа фотонов для систем дальней телекоммуникационной связи |
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Journal Article |
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Year |
2011 |
Publication |
Ж. радиоэлектрон. |
Abbreviated Journal |
Ж. радиоэлектрон. |
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12 |
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1-6 |
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Keywords |
PNR SSPD, SNSPD |
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Рассмотрена возможность применения сверхпроводникового однофотонного детектора, разрешающего число фотонов, в качестве датчика приёмных модулей телекоммуникационных линий. Показано, что для достижения доли ошибочных битов на уровне 10-11 достаточно на два порядка меньшей мощности в оптическом импульсе, чем при использовании существующих приёмных модулей. |
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RPLAB @ sasha @ чулковасверхпроводниковый |
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1031 |
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Smirnov, K.; Moshkova, M.; Antipov, A.; Morozov, P.; Vakhtomin, Y. |
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The cascade switching of the photon number resolving superconducting single-photon detectors |
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Journal Article |
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2021 |
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IEEE Trans. Appl. Supercond. |
Abbreviated Journal |
IEEE Trans. Appl. Supercond. |
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31 |
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2 |
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1-4 |
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PNR SSPD, SNSPD |
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In this article, present the first detailed study of cascade switching in superconducting photon number resolving detectors. The detectors were made in the form of four parallel nanowires, coupled with the single-mode optical fiber and mounted into a closed-cycle refrigerator with a temperature of 2.1 K. We found out the value of additional false pulses (N cas.sw. ) appearing due to cascade switching and showed that it is possible to set up the detector bias current that corresponds to a high level of the detection efficiency and a low level of N cas.sw. simultaneously. We reached the detection efficiency of 60% and N cas.sw. = 0.3%. |
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1051-8223 |
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1796 |
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Author |
Корнеев, Александр Александрович |
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Квантовая эффективность и темновой счет NbN сверхпроводникового инфракрасного однофотонного детектора |
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Manuscript |
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2006 |
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М. МПГУ |
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Ph.D. thesis |
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Russian |
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480 |
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Масленников, Сергей Николаевич |
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Смесители на эффекте электронного разогрева для терагерцового и инфракрасного диапазонов |
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2007 |
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М. МПГУ |
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HEB, detector, mixer, terahertz, THz, infrared, IR, direct detection effect, conversion loss |
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Ph.D. thesis |
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Russian |
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no |
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481 |
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Author |
Финкель, М. И. |
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Title |
Терагерцовые смесители на эффекте электронного разогрева в ультратонких плёнках NbN и NbTiN |
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2006 |
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М. МПГУ |
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HEB, detector, mixer, terahertz, THz, infrared, IR, direct detection effect, conversion bandwidth, conversion loss |
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Ph.D. thesis |
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no |
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597 |
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Author |
Морозов, Дмитрий Владимирович |
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Title |
Приемные устройства терагерцового диапазона на эффекте разогрева двумерного электронного газа в гетероструктурах AlGaAs/GaAs |
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2007 |
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М. МПГУ |
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Ph.D. thesis |
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RPLAB @ s @ |
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626 |
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Author |
Ptitsina N. G.; Chulkova G. M.; Il'in K. S.; Sergeev A. V.; Pochinkov F. S.; Gershenzon E. M. |
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Superconductivity has been found in a number of new compounds between the non-superconducting transition elements and nonmetals such as Si, Ge, and Te. These findings have suggested possible criteria for superconductivity in both elements and compounds. |
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Journal Article |
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1997 |
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Phys. Rev. B |
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Phys. Rev. B |
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56 |
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16 |
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The temperature dependence of the resistance of films of Al, Be, and NbC with small values of the electron mean free path L=1.5– 10 nm has been measured at 4.2–300 K. The resistance of all the films contains a T^2 contribution that is proportional to the residual resistance; this contribution has been attributed to the interference between the elastic electron scattering and the electron-phonon scattering. Fitting the data to the theory of the electron-phonon-impurity interference „M. Yu. Reiser and A. V. Sergeev, Zh. Eksp. Teor. Fiz. 92, 224 ~1987! @Sov. Phys. JETP 65, 1291 ~1987!#…, we obtain constants of nteraction of the electrons with transverse phonons, and estimate the contribution of this interaction to the electron dephasing rate in thin films of Au, Al, Be, Nb, and NbC. Our estimates are in a good agreement with the experimental data on the inelastic electronphonon scattering in these films. This indicates that the interaction of electrons with transverse phonons controls the electron-phonon relaxation rate in thin-metal films over a broad temperature range. |
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RPLAB @ phisix @ |
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988 |
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Semenov, A. V.; Devyatov, I. A.; Ryabchun, S. A.; Maslennikov, S. N.; Maslennikova, A. S.; Larionov, P. A.; Voronov, B. M.; Chulkova, G. M. |
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Absorption of terahertz electromagnetic radiation in dirty superconducting film at arbitrary type of the spectral functions |
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Journal Article |
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2011 |
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Rus. J. Radio Electron. |
Abbreviated Journal |
Rus. J. Radio Electron. |
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10 |
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Keywords |
terahertz electromagnetic radiation; superconductors; detectors of terahertz range |
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A problem of absorption of high-frequency electromagnetic field in dirty superconductor is treated within Keldysh technic. Expression for the source term in the kinetic equation for quasiparticle distribution function is derived. The result is significant for deriving a consistent microscopic theory of superconducting detectors for terahertz frequency range, perspective detectors on kinetic inductance of current-biased superconducting strip and on Josephson inductance of tunnel. |
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7 pages |
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1117 |
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Author |
Лесс, Ю. А.; Кирсанов, Ю. А. |
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Былое и думы. Посвящение эпохе Н. Н. Малова, Е. М. Гершензона, В. С. Эткина |
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Miscellaneous |
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2015 |
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ПРФЛ |
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физфак МПГУ, физфак МГПИ, ПРФЛ |
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1132 |
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