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Heterodyne mixing at 70 GHz with superconductor-insulator-superconductor tunnel junctions

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Abstract

A laboratory heterodyne receiver working at 70 GHz was built up using superconductor-insulator-superconductor tunnel junction as mixing element. Single sideband conversion loss LC as low as 1.92±0.23 and mixer noise temperature TM of less than 100 K have been achieved while local oscillator pump power is 4·10−8W.

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Authors and Affiliations

  1. Max-Planck-Institut für Physik und Astrophysik, Institut für Astrophysik, Karl-Schwarzschild-Str. 1, 8046, Garching, W. Germany

    H. J. Hartfuss & K. H. Gundlach

Authors
  1. H. J. Hartfuss
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  2. K. H. Gundlach
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Hartfuss, H.J., Gundlach, K.H. Heterodyne mixing at 70 GHz with superconductor-insulator-superconductor tunnel junctions. Int J Infrared Milli Waves 2, 925–931 (1981). https://doi.org/10.1007/BF01006939

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  • DOI: https://doi.org/10.1007/BF01006939

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