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Schubert, J.; Semenov, A.; Gol'tsman, G.; Hübers, H.-W.; Schwaab, G.; Voronov, B.; Gershenzon, E. |
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Title |
Noise temperature of an NbN hot-electron bolometric mixer at frequencies from 0.7 THz to 5.2 THz |
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Journal Article |
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1999 |
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Supercond. Sci. Technol. |
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12 |
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11 |
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748-750 |
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NbN HEB mixers |
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We report on noise temperature measurements of an NbN phonon-cooled hot-electron bolometric mixer in the terahertz frequency range. The devices were 3 nm thick films with in-plane dimensions 1.7 × 0.2 µm2 and 0.9 × 0.2 µm2 integrated in a complementary logarithmic-spiral antenna. Measurements were performed at seven frequencies ranging from 0.7 THz to 5.2 THz. The measured DSB noise temperatures are 1500 K (0.7 THz), 2200 K (1.4 THz), 2600 K (1.6 THz), 2900 K (2.5 THz), 4000 K (3.1 THz), 5600 K (4.3 THz) and 8800 K (5.2 THz). |
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298 |
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Tong, C.-Y. E.; Meledin, D.; Loudkov, D.; Blundell, R.; Erickson, N.; Kawamura, J.; Mehdi, I.; Gol’tsman, G. |
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Title |
A 1.5 THz Hot-Electron Bolometer mixer operated by a planar diode based local oscillator |
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Conference Article |
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2003 |
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IEEE MTT-S Int. Microwave Symp. Digest |
Abbreviated Journal |
IEEE MTT-S Int. Microwave Symp. Digest |
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2 |
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751-754 |
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waveguide NbN HEB mixers |
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We have developed a 1.5 THz superconducting NbN Hot-Electron Bolometer mixer. It is operated by an all-solid-state Local Oscillator comprising of a cascade of 4 planar doublers following an MMIC based W-band power amplifier. The threshold available pump power is estimated to be 1 /spl mu/W. |
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Philadelphia, PA, USA |
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1516 |
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Гершензон, Е. М.; Гольцман, Г. Н.; Елантьев, А. И.; Карасик, Б. С.; Потоскуев, С. Э. |
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Разогрев электронов в резистивном состоянии сверхпроводника электромагнитным излучением значительной интенсивности |
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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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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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Ekstrom, H.; Karasik, B.; Weikle, R.; Yngvesson, K. S.; Gol’tsman, G.; Kollberg, E.; Gershenzon, E. |
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Title |
Mixers using superconducting Nb films in the resistive state |
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Conference Article |
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1993 |
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23rd European Microwave Conf. |
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23rd European Microwave Conf. |
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787-789 |
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Nb HEB mixers |
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The mixing of 20 GHz radiation in a Nb superconducting film in the resistive state was studied. The experiment gave evidence of electron-heating to be the origin of the non-linear phenomenon. The requirements on the operation mode and on the film parameters in order to obtain small conversion losses or even gain are determined. Our measurements indicate a conversion loss of about 6-8 dB. The hot-electron bolometer is considered to be very promising for use in heterodyne receivers in a wide frequency range from microwaves to terahertz frequencies. |
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1651 |
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Smirnov, K. V.; Vakhtomin, Yu. B.; Divochiy, A. V.; Ozhegov, R. V.; Pentin, I. V.; Gol'tsman, G. N. |
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Infrared and terahertz detectors on basis of superconducting nanostructures |
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2010 |
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Microwave and Telecom. Technol. (CriMiCo), 20th Int. Crimean Conf. |
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823-824 |
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SSPD, SNSPD, HEB |
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Results of development of single-photon receiving systems of visible, infrared and terahertz range based on thin-film superconducting nanostructures are presented. The receiving systems are produced on the basis of superconducting nanostructures, which function by means of hot-electron phenomena. |
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IEEE |
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RPLAB @ sasha @ smirnov2010infrared |
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1025 |
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Finkel, M. I.; Maslennikov, S. N.; Gol'tsman, G. N. |
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The concept of the receiving complex for the “Millimetron” space radio telescope |
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2007 |
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Radiophys. Quant. Electron. |
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Radiophys. Quant. Electron. |
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50 |
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10-11 |
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837-846 |
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HEB, applications, Millimetron, VLBI |
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We consider the current status of research in the development of a submillimeter and far-infrared receiving instrument and propose promising solutions for the receivers of the spaceborne telescope “Millimetron,” which allow one to realize comprehensively the opportunities given by this international project administrated by the Astrospace Center of the P. N. Lebedev Physical Institute of the Russian Academy of Sciences. |
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0033-8443 |
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411 |
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Karasik, B. S.; Elantiev, A. I. |
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Noise temperature limit of a superconducting hot-electron bolometer mixer |
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1996 |
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Applied Physics Letters |
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Appl. Phys. Lett. |
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68 |
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6 |
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853-855 |
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HEB mixer noise temperature, Johnson noise, thermal fluctuation noise, noise bandwidth |
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0003-6951 |
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260 |
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Rönnung, F.; Cherednichenko, S.; Winkler, D.; Gol'tsman, G. N. |
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A nanoscale YBCO mixer optically coupled with a bow tie antenna |
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Journal Article |
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1999 |
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Supercond. Sci. Technol. |
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Supercond. Sci. Technol. |
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12 |
Issue |
11 |
Pages |
853-855 |
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YBCO HTS HEB mixers |
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The bolometric response of YBa2Cu3O7-δ(YBCO) hot-electron bolometers (HEBs) to near-infrared radiation was studied. Devices were fabricated from a 50 nm thick film and had in-plane areas of 10 × 10 µm2, 2 × 0.2 µm2, 1 × 0.2µm2 and 0.5 × 0.2 µm2. We found that nonequilibrium phonons cool down more effectively for the bolometers with smaller area. For the smallest bolometer the bolometric component in the response is 10 dB less than for the largest one. |
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0953-2048 |
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1563 |
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Finkel, M. I.; Maslennikov, S. N.; Gol'tsman, G. N. |
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Terahertz heterodyne receivers based on superconductive hot-electron bolometer mixers |
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2005 |
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Radiophys. Quant. Electron. |
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Radiophys. Quant. Electron. |
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48 |
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10-11 |
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859-864 |
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HEB, applications |
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We consider recent results in development of hot-electron bolometer mixers. Special attention is paid to optimization of the contacts between the antenna and the active area of a superconducting film. An important result in the study of the parasitic effect of direct detection is obtained during the measurement of the noise temperatures by the hot/cold load method. The latest results of studies of the waveguide hot-electron bolometer mixers and their successful practical applications are considered. Progress in development of high-frequency (over 1.3 THz) heterodyne receivers for several important international projects is discussed and new submillimeter radio astronomy projects ESPRIT and SAFIR are described. |
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0033-8443 |
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381 |
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