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Author Torgashin, M. Yu.; Koshelets, V. P.; Dmitriev, P. N.; Ermakov, A. B.; Filippenko, L. V.; Yagoubov, P. A.
Title Superconducting integrated receivers based on Nb-AlN-NbN circuits Type Journal Article
Year 2007 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal
Volume 17 Issue 2 Pages 379-382
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Call Number RPLAB @ s @ mix_SIR_ieee_trans_2007 Serial 406
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Author Karpov, A.; Blondel, J.; Voss, M.; Gundlach, K. H.
Title A three photon noise SIS heterodyne receiver at submillimeter wavelength Type Journal Article
Year 1999 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal
Volume 9 Issue 2 Pages 4456-4459
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Call Number RPLAB @ s @ sis_Karpov_1999 Serial 300
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Author Shitov, S. V.; Levitchev, M.; Veretennikov, A. V.; Koshelets, V. P.; Prokopenko, G. V.; Filippenko, L. V.; Ermakov, A. B.; Shtanyuk, A. M.; Kohlstedt, H.; Ustinov, A. V.
Title Superconducting integrated receiver as 400-600 GHz tester for coolable devices Type Journal Article
Year 2001 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal
Volume 11 Issue 1 Pages 832-835
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Call Number RPLAB @ s @ sis_Shitov_2001 Serial 313
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Author Datesman, A.M.; Schultz, J.C.; Lichtenberger, A.W.; Golish, D.; Walker, C.K.; Kooi, J.
Title Fabrication and characterization of niobium diffusion-cooled hot-electron bolometers on silicon nitride membranes Type Journal Article
Year 2005 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal
Volume 15 Issue 2 Pages 928-931
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ISSN 1051-8223 ISBN Medium
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Call Number Serial 439
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Author Skalare, A.; McGrath, William R.; Echternach, P. M.; Leduc, H. G.; Siddiqi, I.; Verevkin, A.; Prober, D. E.
Title Aluminum hot-electron bolometer mixers at submillimeter wavelengths Type Journal Article
Year 2001 Publication IEEE Trans. Appl. Supercond. Abbreviated Journal
Volume 11 Issue 1 Pages 641-644
Keywords (up) Al HEB mixer, contacts, interface, in situ, in-situ, Aluminium HEB mixer
Abstract Diffusion-cooled aluminum hot-electron bolometer (HEB) mixers are of interest for low-noise high resolution THz-frequency spectroscopy within astrophysics. Al HEB mixers offer operation with an order of magnitude less local oscillator power, higher intermediate frequency bandwidth and potentially lower noise than competing devices made from other materials. We report on mixer experiments at 618 GHz with devices fabricated from films with sheet resistances in the range from about 55 Ω down to about 9 Ω per square. Intermediate frequency bandwidths of up to 3 GHz were measured (1 μm long device), with absorbed local oscillator power levels of 0.5 to 6 nW and mixer conversion up to -21.5 dB. High input coupling efficiency implies that the electrons in the device are able to thermalize before escaping from the device. It was found that the long coherence length complicates mixer operations due to the proximity of the contact pads. Also, saturation at the IF frequency may be a concern for this type of device, and warrants further studies.
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ISSN 1051-8223 ISBN Medium
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Call Number ref919426b Serial 1061
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