Chiral cavity quantum electrodynamics in a 3D microwave lattice coupled to a transmon qubit (Part 2)

ORAL

Abstract

We have previously realized a chiral meta-material for microwave photons. We now describe our work combining a single transmon with this topological lattice, achieving, for the first time, a platform for chiral cavity quantum electrodynamics. We show strong coupling between the qubit and the topological lattice. Using the qubit we prepare arbitrary quantum states of the lattice edge modes and we can non-destructively measure their photon occupation. Finally, we describe a path towards coupling a transmon to each site of the lattice, enabling exploration of a Harper-Hubbard model which is anticipated to support fractional Chern insulating many-body phases.

**This work was supported by the Chicago MRSEC, which is funded by NSF through grant DMR-1420709; and by ARO Grant No. W911NF-15-1-0397. It was also based on work supported by the National Science Foundation Graduate Research Fellowship under Grant Nos. DGE-1144082 and DGE-1746045.

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Presenters

  • Clai Owens

    • Applied Physics, California Institute of Technology
    • California Institute of Technology

Authors

  • Clai Owens

    • Applied Physics, California Institute of Technology
    • California Institute of Technology

  • Margaret Panetta

    • Physics, University of Chicago
    • University of Chicago

  • Srivatsan Chakram

    • University of Chicago
    • Physics, University of Chicago

  • Brendan Saxberg

    • Physics, University of Chicago
    • University of Chicago

  • Gabrielle Roberts

    • Physics, University of Chicago
    • University of Chicago

  • Jonathan Simon

    • Physics, University of Chicago
    • University of Chicago

  • David I Schuster

    • University of Chicago
    • Physics, University of Chicago
    • Department of Physics and the James Franck Institute, University of Chicago
    • The James Franck Institute and Department of Physics, University of Chicago
    • The James Franck Institute and Department of Physics, The University of Chicago