Loop-gap Microwave Resonator for Hybrid Quantum Systems

Abstract

We designed a loop-gap microwave resonator for applications of spin-based hybrid quantum systems, and tested it with impurity spins in diamond. Strong coupling with ensembles of nitrogen-vacancy (NV) centers and substitutional nitrogen (P1) centers was observed. These results show that loop-gap resonators are viable in the prospect of spin-based hybrid quantum systems, especially for an ensemble quantum memory or a quantum transducer.

arXiv comment5 pages, 4 figures

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• Spin echo silencing using a current-biased frequency-tunable resonator
• An optomechanical platform with a 3-dimensional waveguide cavity
• A Gallery of Soft Modes: Theory and Experiment at a Ferromagnetic Quantum Phase Transition
• Integrated multiresonator quantum memory
• Dielectric microwave resonator with large optical apertures for spin-based quantum devices
• The field induced magnetic dipolar interaction for general boundary conditions
• A three-dimensional multimode lumped-element resonator for collective spin manipulation and dispersive readout
• Loop-gap resonators achieving strong magnon-photon coupling in magnetic insulator thin films