Experiments with Mutually Coupled Arrays of Josephson Junctions.

Abstract

This report results from a contract tasking University of Erlangen-Nuremberg as follows: The contractor shall investigate triangular arrays of Josephson tunnel junctions which have shown to be suitable for high frequency applications in the mm and sub-mm range. Yukon (AFRL) and Lin have designed an active antenna array based on 2D triangular arrays as oscillators. Synchronization between the oscillators (or sub arrays) is provided by a phase shifter consisting of a parallel Josephson junction chain. The contractor has proposed an experiment based on a circuit made of two sub-arrays coupled by the phase shifter. Radiation from two sub-arrays will be coupled into a fin-line antenna and the emitted power will be studied as a function of a phase shift provided by the Josephson junction chain placed between the sub-arrays. Alternative methods using on-chip radiation detectors will be also explored.

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Document Details

Document Type
Technical Report
Publication Date
Apr 20, 2000
Accession Number
ADA381512

Entities

People

  • А. Б. Устинов

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Amplifiers
  • Antenna Arrays
  • Antennas
  • Arrays
  • Beam Steering
  • Cell Size
  • Current Density
  • Frequency
  • High Temperature
  • Insertion Loss
  • Josephson Junctions
  • Low Noise
  • Low Noise Amplifiers
  • Magnetic Fields
  • Oscillators
  • Phase Shift
  • Radiation

Fields of Study

  • Physics

Readers

  • Electronics Engineering
  • Phased Array Antenna Design.