Coherent acoustic control of a single silicon vacancy spin in diamond

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Phonons are considered to be universal quantum transducers due to their ability to couple to a wide variety of quantum systems. Among these systems, solid-state point defect spins are known for being long-lived optically accessible quantum memories. Recently, it has been shown that inversion-symmetric defects in diamond, such as the negatively charged silicon vacancy center (SiV), feature spin qubits that are highly susceptible to strain. Here, we leverage this strain response to achieve coherent and low-power acoustic control of a single SiV spin, and perform acoustically driven Ramsey interferometry of a single spin. Our results demonstrate an efficient method of spin control for these systems, offering a path towards strong spin-phonon coupling and phonon-mediated hybrid quantum systems.
Publisher
NATURE PUBLISHING GROUP
Issue Date
2020-01
Language
English
Article Type
Article
Citation

NATURE COMMUNICATIONS, v.11, no.1, pp.193

ISSN
2041-1723
DOI
10.1038/s41467-019-13822-x
URI
http://hdl.handle.net/10203/279466
Appears in Collection
EE-Journal Papers(저널논문)
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