Coherent acoustic control of a single silicon vacancy spin in diamond

被引：0
作者：
Smarak Maity
Linbo Shao
Stefan Bogdanović
Srujan Meesala
Young-Ik Sohn
Neil Sinclair
Benjamin Pingault
Michelle Chalupnik
Cleaven Chia
Lu Zheng
Keji Lai
Marko Lončar
机构：
[1] Harvard University,John A. Paulson School of Engineering and Applied Sciences
[2] California Institute of Technology,Division of Physics, Mathematics and Astronomy, and Alliance for Quantum Technologies (AQT)
[3] University of Texas at Austin,Department of Physics
来源：
Nature Communications | / 11卷
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摘要：
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.
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