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Author Goltsman, G. N.; Korneev, A. A.; Finkel, M. I.; Divochiy, A. V.; Florya, I. N.; Korneeva, Y. P.; Tarkhov, M. A.; Ryabchun, S. A.; Tretyakov, I. V.; Maslennikov, S. N.; Kaurova, N. S.; Chulkova, G. M.; Voronov, B. M.
Title Superconducting hot-electron bolometer as THz mixer, direct detector and IR single-photon counter Type Abstract
Year 2010 Publication (up) 35th Int. Conf. Infrared, Millimeter, and Terahertz Waves Abbreviated Journal
Volume Issue Pages 1-1
Keywords SSPD, SNSPD, HEB
Abstract We present a new generation of superconducting single-photon detectors (SSPDs) and hot-electron superconducting sensors with record characteristic for many terahertz and optical applications.
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ISSN 2162-2027 ISBN Medium
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Notes Approved no
Call Number RPLAB @ sasha @ goltsman2010superconducting Serial 1028
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Author Pentin, I. V.; Smirnov, A. V.; Ryabchun, S. A.; Gol’tsman, G. N.; Vaks, V. L.; Pripolzin, S. I.; Paveliev, D. G.
Title Heterodyne source of THz range based on semiconductor superlattice multiplier Type Conference Article
Year 2011 Publication (up) IRMMW-THz Abbreviated Journal IRMMW-THz
Volume Issue Pages 1-2
Keywords NbN HEB mixer, superlattice
Abstract We present the results of our studies of the possibility of developing a heterodyne receiver incorporating a hot-electron bolometer mixer as the detector and a semiconductor superlattice multiplier driven by a reference synthesizer as the local oscillator. We observe that such a local oscillator offers enough power in the terahertz range to pump the HEB into the operating state.
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Notes Approved no
Call Number 6105209 Serial 1384
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Author Ryabchun, S. A.; Tretyakov, I. V.; Finkel, M. I.; Maslennikov, S. N.; Kaurova, N. S.; Seleznev, V. A.; Voronov, B. M.; Goltsman, G. N.
Title Fabrication and characterisation of NbN HEB mixers with in situ gold contacts Type Conference Article
Year 2008 Publication (up) Proc. 19th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 19th Int. Symp. Space Terahertz Technol.
Volume Issue Pages 62-67
Keywords HEB, mixer, NbN, in-situ contacts
Abstract We present our recent results of the fabrication and testing of NbN hot-electron bolometer mixers with in situ gold contacts. An intermediate frequency bandwidth of about 6 GHz has been measured for the mixers made of a 3.5-nm NbN film on a plane Si substrate with in situ gold contacts, compared to 3.5 GHz for devices made of the same film with ex situ gold contacts. The increase in the intermediate frequency bandwidth is attributed to additional diffusion cooling through the improved contacts, which is further supported by the its dependence on the bridge length: intermediate frequency bandwidths of 3.5 GHz and 6 GHz have been measured for devices with lengths of 0.35 μm and 0.16 μm respectively at a local oscillator frequency of 300 GHz near the superconducting transition. At a local oscillator frequency of 2.5 THz the receiver has offered a DSB noise temperature of 950 K. When compared to the previous result of 1300 K obtained at the same local oscillator frequency for devices fabricated with an ex situ route, such a low value of the noise temperature may also be attributed to the improved gold contacts.
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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 412
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Author Ryabchun, S. A.; Tretyakov, I. V.; Finkel, M. I.; Maslennikov, S. N.; Kaurova, N. S.; Seleznev, V. A.; Voronov, B. M.; Gol'tsman, G. N.
Title NbN phonon-cooled hot-electron bolometer mixer with additional diffusion cooling Type Conference Article
Year 2009 Publication (up) Proc. 20th Int. Symp. Space Terahertz Technol. Abbreviated Journal Proc. 20th ISSTT
Volume Issue Pages 151-154
Keywords HEB, mixer, bandwidth, noise temperatue, in-situ contacts, in situ contacts
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Corporate Author Thesis
Publisher Place of Publication Charlottesville, USA Editor
Language Summary Language Original Title
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ISSN ISBN Medium
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Notes Approved no
Call Number Serial 590
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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 (up) Proc. Basic problems of superconductivity Abbreviated Journal
Volume Issue Pages
Keywords 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
Language Summary Language Original Title
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Serial 591
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