Capacitor-shunted Josephson junction for improved coupling with microwave fields

D. Morisseau, J. Lewiner, S. J. Lewandowski, G. Jung

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We report the fabrication of a capacitor-shunted Josephson junction and its use as a microwave device with improved coupling to microwave fields. The junction was evaporated on a thin plastic substrate which was subsequently folded like a flat-spring clip in order to make a circular coupling loop terminated by a parallel-plate capacitor. The capacitor short-circuits the loop for high-frequency currents but keeps it open for dc currents, rendering possible the application of dc bias to the junction. The folded junction was observed at X band to couple 20 dB better to rf power than the same junction extended flat.

Original languageEnglish
Pages (from-to)59-60
Number of pages2
JournalApplied Physics Letters
Volume29
Issue number1
DOIs
StatePublished - 1 Dec 1976
Externally publishedYes

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