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Numerical and Experimental Results on Josephson Junctions Irradiated by a Biharmonic Drive

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Superconducting Devices and Their Applications

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 64))

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Abstract

We report some numerical results regarding the characteristics of rf-induced constant voltage steps in a voltage-biased Josephson junction irradiated by a biharmonic drive, namely a rf signal obtained by combining two microwaves of frequency ω and 2ω. The maximization of step amplitudes depends strongly on a careful choice of biharmonic drive parameters. We have made experiments on single, large, Josephson junctions, using a biharmonic signal with a fundamental frequency in the range 8–12 GHz. Under these conditions, only a small enhancement of the amplitude of the quantized steps with respect to the single drive case has been observed.

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References

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Author information

Authors and Affiliations

  1. Istituto Elettrotecnico Nazionale “G. Ferraris”, Strada delle Cacce 91, I-10135, Torino, Italy

    D. Andreone, V. Lacquaniti & S. Maggi

Authors
  1. D. Andreone
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  2. V. Lacquaniti
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  3. S. Maggi
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Editor information

Editors and Affiliations

  1. Institut Berlin, Physikalisch-Technische Bundesanstalt, Abbestraße 2-12, W-1000, Berlin 10, Fed. Rep. of Germany

    Hans Koch  & Heinz Lübbig  & 

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© 1992 Springer-Verlag Berlin Heidelberg

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Andreone, D., Lacquaniti, V., Maggi, S. (1992). Numerical and Experimental Results on Josephson Junctions Irradiated by a Biharmonic Drive. In: Koch, H., Lübbig, H. (eds) Superconducting Devices and Their Applications. Springer Proceedings in Physics, vol 64. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-77457-7_71

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  • DOI: https://doi.org/10.1007/978-3-642-77457-7_71

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-77459-1

  • Online ISBN: 978-3-642-77457-7

  • eBook Packages: Springer Book Archive

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