Characterizing microwave loss mechanisms induced by magnetic fields in microstrip superconducting resonators.

POSTER

Abstract

We describe an experimental approach to investigating the magnetic field dependent microwave losses in superconducting niobium microstrip resonators. The key parameters characterizing the losses are obtained by studying the dependence of the resonant frequency and the quality factor on magnetic fields along various directions, and comparing the experimental data with numerically calculated values. We propose a general way to identify contributions from quasiparticle generation and vortex motion to microwave losses.

Presenters

  • Sangil Kwon

    Institute for Quantum Computing

Authors

  • Sangil Kwon

    Institute for Quantum Computing

  • Anita Roudsari

    Institute for Quantum Computing

  • Olaf Benningshof

    Institute for Quantum Computing

  • Yong-Chao Tang

    Institute for Quantum Computing, Univ of Waterloo, University of Waterloo

  • Hamid Mohebbi

    Institute for Quantum Computing

  • Ivar Taminiau

    Institute for Quantum Computing

  • Deler Langenberg

    Institute for Quantum Computing

  • Shinyoung Lee

    Samsung Electronics

  • George Nichols

    University of Waterloo, Institute for Quantum Computing

  • David Cory

    Institute for Quantum Computing, University of Waterloo, Institute for Quantum Computing

  • Guoxing Miao

    Univ of Waterloo, University of Waterloo, Institute for Quantum Computing