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We realize a device allowing for tunable and switchable coupling between twosuperconducting resonators mediated by an artificial atom. For the latter, weutilize a persistent current flux qubit. We characterize the tunable andswitchable coupling in frequency and time domain and find that the couplingbetween the relevant modes can be varied in a controlled way. Specifically, thecoupling can be tuned by adjusting the flux through the qubit loop or bysaturating the qubit. Our time domain measurements allow us to find parameterregimes for optimal switch performance with respect to qubit drive power andthe dynamic range of the resonator input power.

Tunable and Switchable Coupling Between Two Superconducting Resonators