Modeling the direct current superconducting quantum interference device coupled to the multiturn input coil. II

K. Enpuku, R. Cantor, H. Koch

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

A complete circuit model of a dc superconducting quantum interference device (SQUID) coupled to a multiturn input coil has been developed. With this model, it is shown that the rf properties of the coupled SQUID can be calculated using only the given parameters of the SQUID. There are no adjustable parameters. The resonant structures in the SQUID characteristics caused by the presence of the input coil have been quantitatively studied. Methods to suppress the resonant structures have also been investigated. It is shown that the present circuit model explains well the experimentally observed rf properties of coupled SQUIDs. The present circuit model is therefore useful for the design of highly sensitive SQUIDs.

Original languageEnglish
Pages (from-to)2338-2346
Number of pages9
JournalJournal of Applied Physics
Volume71
Issue number5
DOIs
Publication statusPublished - Dec 1 1992

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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