Storage and on-demand release of microwaves using superconducting resonators with tunable coupling

Abstract

We present a system which allows to tune the coupling between a superconducting resonator and a transmission line. This storage resonator is addressed through a second, coupling resonator, which is frequency-tunable and controlled by a magnetic flux applied to a superconducting quantum interference device (SQUID). We experimentally demonstrate that the lifetime of the storage resonator can be tuned by more than three orders of magnitude. A field can be stored for 18 μs when the coupling resonator is tuned off resonance and it can be released in 14 ns when the coupling resonator is tuned on resonance. The device allows capture, storage, and on-demand release of microwaves at a tunable rate.

5 pages, 3 figures

References in corpus (5)

• The Quantum Internet
• Generating Single Microwave Photons in a Circuit
• Tunable resonators for quantum circuits
• Photon generation in an electromagnetic cavity with a time-dependent boundary
• Selective coupling of superconducting qubits via tunable stripline cavity

Cited by in corpus (8)

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• Robust quantum state transfer using tunable couplers
• Generation of Frequency-Tunable Shaped Single Microwave Photons Using a Fixed-Frequency Superconducting Qubit
• Optimizing the frequency positioning of tunable couplers in a circuit QED processor to mitigate spectator effects on quantum operations