Coupling a Surface Acoustic Wave to an Electron Spin in diamond via a Dark State

Abstract

The emerging field of quantum acoustics explores interactions between acoustic waves and artificial atoms and their applications in quantum information processing. In this experimental study, we demonstrate the coupling between a surface acoustic wave (SAW) and an electron spin in diamond by taking advantage of the strong strain coupling of the excited states of a nitrogen vacancy center, while avoiding the short lifetime of these states. The SAW-spin coupling takes place through a lamda-type three-level system where two ground spin states couple to a common excited state through a phonon-assisted as well as a direct dipole optical transition. Both coherent population trapping and optically-driven spin transitions have been realized. The coherent population trapping demonstrates the coupling between a SAW and an electron spin coherence through a dark state. The optically-driven spin transitions, which resemble the sideband transitions in a trapped ion system, can enable the quantum control of both spin and mechanical degrees of freedom and potentially a trapped-ion-like solid state system for applications in quantum computing. These results establish an experimental platform for spin-based quantum acoustic, bridging the gap between spintronics and quantum acoustics.

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• Propagating phonons coupled to an artificial atom
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• Protecting a solid-state spin from decoherence using dressed spin states
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Cited by in corpus (21)

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• Phononic band structure engineering for high-Q gigahertz surface acoustic wave resonators on lithium niobate
• Qubit-assisted transduction for a detection of surface acoustic waves near the quantum limit
• Remote entanglement via adiabatic passage using a tunably-dissipative quantum communication system
• Designing defect-based qubit candidates in wide-gap binary semiconductors for solid-state quantum technologies
• Coupling spins to nanomechanical resonators: Toward quantum spin-mechanics
• Multiharmonic frequency-chirped transducers for surface-acoustic-wave optomechanics
• Simulation of topological phases with color center arrays in phononic crystals
• High-frequency traveling-wave phononic cavity with sub-micron wavelength
• Spin-phonon interfaces in coupled nanomechanical cantilevers
• Dissipation-assisted preparation of steady spin-squeezed states of SiV centers
• Continuous Real-Time Sensing with a Nitrogen Vacancy Center via Coherent Population Trapping
• Adiabatic population transfer of dressed spin states with quantum optimal control
• Optical control protocols for high-fidelity spin rotations of single SiV${}^{-}$ and SnV${}^{-}$ centers in diamond
• Honeycomb Phononic Networks with Closed Mechanical Subsystems
• Band-gap-engineered spin-phonon, and spin-spin interactions with defect centers in diamond coupled to phononic crystals
• Radio-frequency stress-induced modulation of CdTe/ZnTe quantum dots
• Theory of Photon-Assisted Magnetoacoustic Resonance as a New Probe of Quadrupole Dynamics
• Collective radiance with NV centers coupled to nonlinear phononic waveguides
• Long-distance excitation of nitrogen-vacancy centers in diamond via surface spin waves