Direct heterodyne detection of 245-GHz radiation using the internal narrowband oscillations of a resistive dc SQUID

  • J.M.V. Verschueren
  • , A.A. Uiterwaal
  • , R.W. van der Heijden
  • , P. Wyder

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

A current controlled voltage across a resistive section in a double Josephson junction interferometer (dc resistive superconducting quantum interference device) maintains a difference voltage between the junctions to generate a narrowband oscillatory signal at the beat frequency νq of the individual junction frequencies. This internal oscillation was used to directly down-convert a signal at 246 GHz to a very low (<1 MHz) intermediate frequency.

Original languageEnglish
Pages (from-to)349-351
Number of pages3
JournalApplied Physics Letters
Volume44
Issue number3
DOIs
Publication statusPublished - 1984
Externally publishedYes

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