Characterization and Modeling of Superconducting Josephson Junction Arrays at Low Voltage and Liquid Helium Temperatures

Abstract

This technical report demonstrates the capabilities to measure niobium-based Josephson junction arrays at liquid helium temperatures at less than 50 mV. We find current switching with voltage consistent with the transition from Cooper-pair to quasiparticle tunneling. The results agree with the industrial manufacturers specifications. We use a recently created empirical model applicable to Josephson junction devices and arrays and obtain excellent fits to the characteristics and extract the non-ideality. These capabilities and calibration results will assist in the characterization of advanced superconductor-ionic quantum memory and computation devices.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 2016
Accession Number
AD1018784

Entities

People

  • Hector Romero
  • Lance Lerum
  • Mohammed Fahem
  • Osama M. Nayfeh

Organizations

  • Naval Information Warfare Systems Command

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Critical Temperature
  • Data Analysis
  • Department Of Defense
  • Electromagnetic Radiation
  • Governments
  • Josephson Junctions
  • Low Voltage
  • Measurement
  • Quantum Computing
  • Quantum Memories
  • Quantum Tunneling
  • Quasiparticles
  • Resistance
  • Semiconductors
  • Specifications
  • Superconductivity
  • United States Government

Fields of Study

  • Physics

Readers

  • Regression Analysis.
  • Superconducting Magnet Technology

Technology Areas

  • Quantum Computing
  • Quantum Science - Quantum Dots