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Author Tretyakov, I. V.; Ryabchun, S. A.; Maslennikov, S. N.; Finkel, M. I.; Kaurova, N. S.; Seleznev, V. A.; Voronov, B. M.; Gol'tsman, G.N.
Title NbN HEB mixer: fabrication, noise temperature reduction and characterization Type Conference Article
Year 2008 Publication Proc. Basic problems of superconductivity Abbreviated Journal
Volume Issue Pages
Keywords (up) HEB, mixer, noise temperature, conversion gain bandwidth
Abstract We demonstrate that in the terahertz region superconducting hot-electron mixers offer the lowest noise temperature, opening the possibility of using HTS's in the future to fabricate these devices. Specifically, a noise temperature of 950 K was measured for the receiver operating at 2.5 THz with a NbN HEB mixer, and a gain bandwidth of 6 GHz was measured at 300 GHz near Tc for the same mixer.
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Corporate Author Thesis
Publisher Place of Publication Moscow-Zvenigorod Editor
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Notes Approved no
Call Number Serial 591
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Author Smirnov, A. V.; Larionov, P. A.; Finkel, M. I.; Maslennikov, S. N.; Voronov, B. M.; Gol'tsman, G. N.
Title NbZr films for THz phonon-cooled HEB mixers Type Conference Article
Year 2008 Publication Proc. 19th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 19th Int. Symp. Space Terahertz Technol.
Volume Issue Pages 44-47
Keywords (up) HEB, NbZr, material search
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Publisher Place of Publication Groningen, Netherlands Editor
Language Summary Language Original Title
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Notes Approved no
Call Number Serial 577
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Author Kaganov, M. L.; Lifshitz, I. M.; Tanatarov, L. V.
Title Relaxation between electrons and the crystalline lattice Type Journal Article
Year 1957 Publication Sov. Phys. JETP Abbreviated Journal Sov. Phys. JETP
Volume 4 Issue 2 Pages 173-178
Keywords (up) HEB, nonlinear equations, numerical model
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Notes Approved no
Call Number Serial 894
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Author Gao, J. R.; Hovenier, J. N.; Yang, Z. Q.; Baselmans, J. J. A.; Baryshev, A.; Hajenius, M.; Klapwijk, T. M.; Adam, A. J. L.; Klaassen, T. O.; Williams, B. S.; Kumar, S.; Hu, Q.; Reno, J. L.
Title Terahertz heterodyne receiver based on a quantum cascade laser and a superconducting bolometer Type Journal Article
Year 2005 Publication Appl. Phys. Lett. Abbreviated Journal Appl. Phys. Lett.
Volume 86 Issue Pages 244104 (1 to 3)
Keywords (up) HEB, QCL
Abstract We report the first demonstration of an all solid-stateheterodyne receiver that can be used for high-resolution spectroscopy above 2THz suitable for space-based observatories. The receiver uses a NbN superconducting hot-electron bolometer as mixer and a quantum cascade laser operating at 2.8THz as local oscillator. We measure a double sideband receiver noise temperature of 1400K at 2.8THz and 4.2K, and find that the free-running QCL has sufficient power stability for a practical receiver, demonstrating an unprecedented combination of sensitivity and stability.
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Notes Approved no
Call Number Serial 905
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Author Semenov, Alexei D; Gol'tsman, Gregory N; Sobolewski, Roman
Title Hot-electron effect in superconductors and its applications for radiation sensors Type Journal Article
Year 2002 Publication Superconductor Science and Technology Abbreviated Journal Supercond. Sci. Technol.
Volume 15 Issue 4 Pages R1-R16
Keywords (up) HEB, SSPD
Abstract 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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ISSN 0953-2048 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Serial 416
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