Loop-gap Microwave Resonator for Hybrid Quantum Systems
Jason Ball, Yu Yamashiro, Hitoshi Sumiya, Shinobu Onoda, Takeshi, Ohshima, Junichi Isoya, Denis Konstantinov, Yuimaru Kubo
TL;DR
This paper presents a loop-gap microwave resonator designed for hybrid quantum systems, demonstrating strong coupling with impurity spins in diamond, which could enhance quantum memory and transducer applications.
Contribution
The paper introduces a novel loop-gap microwave resonator optimized for spin-based hybrid quantum systems, with experimental validation of strong coupling to impurity spins.
Findings
Strong coupling observed with NV and P1 centers
Resonator suitable for quantum memory applications
Potential use as quantum transducer
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.
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