Quantum information processing with multimode cavity systems using parametrically modulated components

ORAL

Abstract

In recent years superconducting circuits have come to the forefront as systems realizing early quantum information processing devices. Some of the key reasons for this success are their flexibility as well as capacity for easy manipulation and measurement. In this talk, we theoretically explore a setup consisting of multiple harmonic modes coupled to a qudit, where the qudit is parametrically modulated in order to carry out logical operations and readout. Recently, a superconducting circuit implementing such a system has been experimentally demonstrated in [1]. We explore various properties of this architecture related to its random access nature and long state lifetimes, as well as provide a thorough discussion of unwanted crosstalk and frequency crowding, which helps to understand its detailed physics.
[1] Naik R. K., et al., arXiv:1705.00579 (2017)

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Presenters

  • Peter Groszkowski

    Department of Physics & Astronomy, Northwestern University, Northwestern University, Physics, Northwestern University

Authors

  • Peter Groszkowski

    Department of Physics & Astronomy, Northwestern University, Northwestern University, Physics, Northwestern University

  • Srivatsan Chakram

    University of Chicago

  • Ravi Naik

    University of Chicago, Univ of Chicago, James Franck Institute and Department of Physics, University of Chicago, Physics, University of Chicago

  • Nelson Leung

    University of Chicago, Univ of Chicago, James Franck Institute, University of Chicago

  • Yao Lu

    James Franck Institute and Department of Physics, University of Chicago, University of Chicago, Univ of Chicago, James Franck Institute, University of Chicago, Physics, University of Chicago

  • David Schuster

    University of Chicago

  • Jens Koch

    Northwestern Univeristy, Department of Physics and Astronomy, Northwestern University, Department of Physics and Astronomy, Northwestern Univ, Department of Physics & Astronomy, Northwestern University, Northwestern University, Physics, Northwestern University