| Records |
| Author |
Maslennikov, S. N.; Morozov, D. V.; Ozhegov, R. V.; Smirnov, K. V.; Okunev, O. V.; Gol’tsman, G. N. |
| Title |
Imaging system for submillimeter wave range based on AlGaAs/GaAs hot electron bolometer mixers |
Type |
Conference Article |
| Year |
2004 |
Publication |
Proc. 5-th MSMW |
Abbreviated Journal |
Proc. 5-th MSMW |
Volume  |
2 |
Issue |
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Pages |
558-560 |
| Keywords |
AlGaAs/GaAs HEB mixers |
| Abstract |
Electromagnetic radiation of the submillimeter (SMM) range is dispersed and absorbed significantly less than infrared (IR) radiation when passing through different objects. That is the reason for the development of an SMM imaging system. In this paper, we discuss the design of an SMM heterodyne imager, based on a matrix of AlGaAs/GaAs heterostructure hot electron bolometer mixers (HEB) with relatively high (about 77 K) operating temperature. The predicted double side band (DSB) noise temperature is about 1000 K and optimal local oscillator (LO) power is about 1 /spl mu/W for such mixers, which seems to be quite prospective for an SMM heterodyne imager. |
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Kharkov, Ukraine |
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The Fifth International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter, and Submillimeter Waves (IEEE Cat. No.04EX828) |
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Serial |
1487 |
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Zhang, J.; Pearlman, A.; Slysz, W.; Verevkin, A.; Sobolewski, R.; Wilsher, K.; Lo, W.; Okunev, O.; Korneev, A.; Kouminov, P.; Chulkova, G.; Gol’tsman, G. N. |
| Title |
A superconducting single-photon detector for CMOS IC probing |
Type |
Conference Article |
| Year |
2003 |
Publication |
Proc. 16-th LEOS |
Abbreviated Journal |
Proc. 16-th LEOS |
| Volume |
2 |
Issue |
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Pages |
602-603 |
| Keywords |
NbN SSPD, SNSPD |
| Abstract |
In this paper, a novel, time-resolved, NbN-based, superconducting single-photon detector (SSPD) has been developed for probing CMOS integrated circuits (ICs) using photon emission timing analysis (PETA). |
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The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2003. LEOS 2003. |
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1510 |
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Semenov, A. D.; Sergeev, A. V.; Kouminov, P.; Goghidze, I. G.; Heusinger, M. A.; Nebosis, R. S.; Gol'tsman, G. N.; Gershenzon, E. M.; Renk, K. F. |
| Title |
Transparency of YBCO film/substrate interfaces for thermal phonons determined by photoresponse measurements |
Type |
Conference Article |
| Year |
1993 |
Publication |
Proc. 1st European Conf. on Appl. Supercond. |
Abbreviated Journal |
Proc. 1st European Conf. on Appl. Supercond. |
| Volume |
2 |
Issue |
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Pages |
1443-1446 |
| Keywords |
YBCO HTS detectors |
| Abstract |
Direct measurements of the thermal boundary resistance were performed by means of the stationary method. In this approach the temperature of an electrically heated film is controlled by its dc resistance while an additional film on the same substrate is used as a thermometer monitoring substrate temperature. The temperature field in the substrate is then calculated to deduce the Kapitza temperature step at the interface between the heated strip and the substrate. The main statement of all afore-said papers is that experimental values of the thermal boundary resistance are too large to be explained by the acoustic mismatch model. In this paper we investigate transparency of YBaCuO film/substrate interfaces for thermal phonons by means of photoresponse measurements. We show that our data are in reasonable agreement with the acoustic mismatch theory. |
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Freyhardt, H. C. |
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3-88355-197-X |
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1st European conference on applied superconductivity |
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no |
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1661 |
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Zolotov, P.; Divochiy, A.; Vakhtomin, Y.; Seleznev, V.; Morozov, P.; Smirnov, K. |
| Title |
Superconducting single-photon detectors made of ultra-thin VN films |
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Conference Article |
| Year |
2018 |
Publication |
KnE Energy |
Abbreviated Journal |
KnE Energy |
| Volume |
3 |
Issue |
3 |
Pages |
83-89 |
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We optimized technology of thin VN films deposition in order to study VN-based superconducting single-photon detectors. Investigation of the main VN film parameters showed that this material has lower resistivity compared to commonly used NbN. Fabricated from obtained films devices showed 100% intrinsic detection efficiency at 900 nm, at the temperature of 1.7 K starting with the bias current of 0.7·I |
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no |
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1230 |
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Gayduchenko, I. A.; Moskotin, M. V.; Matyushkin, Y. E.; Rybin, M. G.; Obraztsova, E. D.; Ryzhii, V. I.; Goltsman, G. N.; Fedorov, G. E. |
| Title |
The detection of sub-terahertz radiation using graphene-layer and graphene-nanoribbon FETs with asymmetric contacts |
Type |
Conference Article |
| Year |
2018 |
Publication |
Materials Today: Proc. |
Abbreviated Journal |
Materials Today: Proc. |
| Volume |
5 |
Issue |
13 |
Pages |
27301-27306 |
| Keywords |
graphene nanoribbons, graphene-nanoribbon, GNR FET, field effect transistor |
| Abstract |
We report on the detection of sub-terahertz radiation using single layer graphene and graphene-nanoribbon FETs with asymmetric contacts (one is the Schottky contact and one – the Ohmic contact). We found that cutting graphene into ribbons a hundred nanometers wide leads to a decrease of the response to sub-THz radiation. We show that suppression of the response in the graphene nanoribbons devices can be explained by unusual properties of the Schottky barrier on graphene-vanadium interface. |
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2214-7853 |
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1316 |
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