Parametric amplification on rf-induced steps in a Josephson tunnel junction

O.H. Sørensen, Niels Falsig Pedersen, Jesper Mygind, B. Dueholm

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Parametric effects including amplification in a singly degenerate mode have been observed in Josephson tunnel junctions at dc bias points on rf-induced steps. Net gain at 9 GHz was achieved with a bias on the fundamental 18-GHz step and subharmonic self-oscillations were seen on 18 and 70-GHz rf-induced steps even at voltages approaching the energy gap. A qualitative explanation of the results is presented. Journal of Applied Physics is copyrighted by The American Institute of Physics.
Original languageEnglish
JournalJournal of Applied Physics
Issue number4
Pages (from-to)2988-2990
Publication statusPublished - 1979

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Copyright (1979) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.


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