High Transition Temperature Quantum Interference Filters

Abstract

We have fabricated and tested large scale arrays of Josephson junctions. Some devices have as many as 150,000 junctions in a single device. To aid in device design we have also developed a numerical simulation program in Matlab to simulate voltage magnetic field characteristics for these arrays. Our numerical simulation code supports the modeling of 2 dimensional array structures and takes into account mutual interactions between all of the squids in the array. The results are in excellent agreement with our experimental measurements. We have also performed measurements of the critical current noise in our Josephson junctions and have been testing arrays in flux locked loops.

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Document Details

Document Type
Technical Report
Publication Date
Nov 28, 2011
Accession Number
ADA563751

Entities

People

  • R C Dynes
  • Shane A Cybart

Organizations

  • University of California, Berkeley

Tags

Communities of Interest

  • Advanced Electronics
  • Sensors

DTIC Thesaurus Topics

  • Agreements
  • Computer Simulations
  • Differential Equations
  • Electron Beam Lithography
  • Fabrication
  • Geometry
  • Josephson Junctions
  • Low Temperature
  • Magnetic Fields
  • Magnetometers
  • Manufacturing
  • Measurement
  • Photolithography
  • Simulations
  • Transition Temperature
  • Transitions
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Computational Modeling and Simulation
  • Integrated Circuit Design and Technology.
  • Superconducting Magnet Technology

Technology Areas

  • Quantum Computing