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I will describe our experiments driving spin and orbital resonance of diamond nitrogen-vacancy (NV) centers using the gigahertz-frequency strain oscillations produced within a diamond bulk acoustic resonator. Strain-based coupling between a resonator and a defect center takes advantage of intrinsic coupling mechanisms while maintaining compatibility with conventional magnetic and optical techniques. We demonstrate coherent spin control over both double quantum (Δm=±2) and single quantum (Δm=±1) transitions, providing opportunities for quantum sensing and protection of spin coherence. At cryogenic temperatures, we use orbital-strain interactions driven by a diamond acoustic resonator to study multi-phonon orbital resonance of a single NV center.
Gregory Fuchs
"Quantum control of spin and orbital states with a diamond mechanical resonator", Proc. SPIE PC12015, Quantum Computing, Communication, and Simulation II, PC120150H (9 March 2022); https://doi.org/10.1117/12.2614274
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Gregory Fuchs, "Quantum control of spin and orbital states with a diamond mechanical resonator," Proc. SPIE PC12015, Quantum Computing, Communication, and Simulation II, PC120150H (9 March 2022); https://doi.org/10.1117/12.2614274