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Meledin, D.; Tong, C.-Y. E.; Blundell, R.; Goltsman, G. |
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Title |
Measurement of intermediate frequency bandwidth of hot electron bolometer mixers at terahertz frequency range |
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2003 |
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IEEE Microw. Wireless Compon. Lett. |
Abbreviated Journal |
IEEE Microw. Wireless Compon. Lett. |
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Volume  |
13 |
Issue |
11 |
Pages |
493-495 |
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Keywords |
waveguide NbN HEB mixers |
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Abstract |
We have developed a new experimental setup for measuring the IF bandwidth of superconducting hot electron bolometer mixers. In our measurement system we use a chopped hot filament as a broadband signal source, and can perform a high-speed IF scan with no loss of accuracy when compared to coherent methods. Using this technique we have measured the 3 dB IF bandwidth of hot electron bolometer mixers, designed for THz frequency operation, and made from 3-4 nm thick NbN film deposited on an MgO buffer layer over crystalline quartz. |
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1531-1309 |
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1509 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Elantiev, A. I.; Karasik, B. S.; Potoskuev, S. E. |
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Title |
Intense electromagnetic radiation heating of electrons of a superconductor in the resistive state |
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Journal Article |
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1988 |
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Sov. J. Low Temp. Phys. |
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Sov. J. Low Temp. Phys. |
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14 |
Issue |
7 |
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414-420 |
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Keywords |
HEB |
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Duplicated as 1697 |
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236 |
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Гершензон, Е. М.; Гольцман, Г. Н.; Елантьев, А. И.; Карасик, Б. С.; Потоскуев, С. Э. |
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Title |
Разогрев электронов в резистивном состоянии сверхпроводника электромагнитным излучением значительной интенсивности |
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Journal Article |
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1988 |
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Физика низких температур |
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Физика низких температур |
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14 |
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7 |
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753-763 |
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HEB |
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Duplicated as 1697 |
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883 |
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Gershenzon, E. M.; Gol'tsman, G. N.; Elant'ev, A. I.; Karasik, B. S.; Potoskuev, S. E. |
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Title |
Intense electromagnetic radiation heating of superconductor electrons in resistive state |
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Journal Article |
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1988 |
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Fizika Nizkikh Temperatur |
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Fizika Nizkikh Temperatur |
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14 |
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7 |
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753-763 |
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Keywords |
Nb HEB |
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An experimental study is made of the effect of intense radiation in the millimeter and submillimeter ranges on thin and narrow Nb films in the resistive state. It is found that the excess resistance resulting from radiation and the dependence of its relaxation time on radiation intensity and transport current can be explained in terms of the effect of electron heating. Quantitative agreement is obtained between the experimental data and a homogeneous electron heating model. |
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1697 |
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Author |
Semenov, Alexei D; Gol'tsman, Gregory N; Sobolewski, Roman |
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Title |
Hot-electron effect in superconductors and its applications for radiation sensors |
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2002 |
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Superconductor Science and Technology |
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Supercond. Sci. Technol. |
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15 |
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4 |
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R1-R16 |
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HEB, SSPD |
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The paper reviews the main aspects of nonequilibrium hot-electron phenomena in superconductors and various theoretical models developed to describe the hot-electron effect. We discuss implementation of the hot-electron avalanche mechanism in superconducting radiation sensors and present the most successful practical devices, such as terahertz mixers and direct intensity detectors, for far-infrared radiation. Our presentation also includes the novel approach to hot-electron quantum detection implemented in superconducting x-ray to optical photon counters. |
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0953-2048 |
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416 |
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