Influence of microwave phase noise on Josephson voltage steps

The influence of microwave phase noise on rf-induced constant voltage steps generated by the ac Josephson effect is studied. Different circuit models for the junction excitation are considered: dc and rf voltage generators, dc and rf current generators, dc current and rf voltage generators. The anal...

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Bibliographic Details
Published in:Journal of applied physics 1982-09, Vol.53 (9), p.6325-6330
Main Authors: Bava, G. P., Andreone, D., Bava, E., Godone, A.
Format: Article
Language:English
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Summary:The influence of microwave phase noise on rf-induced constant voltage steps generated by the ac Josephson effect is studied. Different circuit models for the junction excitation are considered: dc and rf voltage generators, dc and rf current generators, dc current and rf voltage generators. The analysis has been carried out assuming a power and band limited phase noise modulation in the first two cases, while in the last one a white frequency modulation spectrum is required for a treatment based on the Fokker-Planck equation. Some experimental results are reported, in order to display the basic phenomenological behavior.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.331500