Dynamic strain-mediated coupling of a single diamond spin to a mechanical resonator

Abstract

The development of hybrid quantum systems is central to the advancement of emerging quantum technologies, including quantum information science and quantum-assisted sensing. The recent demonstration of high quality single-crystal diamond resonators has led to significant interest in a hybrid system consisting of nitrogen-vacancy center spins that interact with the resonant phonon modes of a macroscopic mechanical resonator through crystal strain. However, the nitrogen-vacancy spin-strain interaction has not been well characterized. Here, we demonstrate dynamic, strain-mediated coupling of the mechanical motion of a diamond cantilever to the spin of an embedded nitrogen-vacancy center. Via quantum control of the spin, we quantitatively characterize the axial and transverse strain sensitivities of the nitrogen-vacancy ground state spin. The nitrogen-vacancy center is an atomic scale sensor and we demonstrate spin-based strain imaging with a strain sensitivity of 3 10^(-6) strain Hz^(-1/2). Finally, we show how this spin-resonator system could enable coherent spin-phonon interactions in the quantum regime.

35 pages, 6 figures

References in corpus (8)

• Sideband Cooling Micromechanical Motion to the Quantum Ground State
• High-sensitivity diamond magnetometer with nanoscale resolution
• Universal dynamical decoupling of a single solid-state spin from a spin bath
• Resolved sidebands in a strain-coupled hybrid spin-oscillator system
• Phonon-induced spin-spin interactions in diamond nanostructures: application to spin squeezing
• Engineering shallow spins in diamond with nitrogen delta-doping
• Single-spin magnetometry with multi-pulse sensing sequences
• Minimization of phonon-tunneling dissipation in mechanical resonators

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• Topical Review: Spins and mechanics in diamond
• Silicon Carbide Photonic Crystal Cavities with Integrated Color Centers
• Quantum dot opto-mechanics in a fully self-assembled nanowire
• Wide-Field Strain Imaging with Preferentially-Aligned Nitrogen-Vacancy Centers in Polycrystalline Diamond
• Three-dimensional localization of spins in diamond using 12C implantation
• Cooling a Mechanical Resonator with a Nitrogen-Vacancy Center Ensemble Using a Room Temperature Excited State Spin-Strain Interaction
• Designing defect-based qubit candidates in wide-gap binary semiconductors for solid-state quantum technologies
• Simulation of topological phases with color center arrays in phononic crystals
• Softening the ultra-stiff: controlled variation of Young's modulus in single crystal diamond
• Cooling phonons with phonons: acoustic reservoir-engineering with silicon-vacancy centers in diamond
• Electrical Control of Coherent Spin Rotation of a Single-Spin Qubit
• Long Distance Coupling of a Quantum Mechanical Oscillator to the Internal States of an Atomic Ensemble
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• Diamond electro-optomechanical resonators integrated in nanophotonic circuits
• Spin-phonon interfaces in coupled nanomechanical cantilevers
• Perfect coherent transfer in an on-chip reconfigurable nanoelectromechanical network
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• Optical detection of paramagnetic defects in diamond using off-resonance excitation of NV centers
• Rapid cooling of a strain-coupled oscillator by optical phaseshift measurement
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• Deterministic nonclassicality for quantum mechanical oscillators in thermal states
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• Ground-state cooling enabled by critical coupling and dark entangled states
• Resonant optical control of the spin of a single Cr atom in a quantum dot
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• Characterization of the recovery of mechanical properties of ion-implanted diamond after thermal annealing
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• Influence of non-equilibrium phonons on the spin dynamics of a single Cr atom
• Radio-frequency stress-induced modulation of CdTe/ZnTe quantum dots
• Optical control of an individual Cr spin in a semiconductor quantum dot
• Laser and cavity cooling of a mechanical resonator with a Nitrogen-Vacancy center in diamond
• Non-classicality tests and entanglement witnesses for macroscopic mechanical superposition states
• Strain-induced exciton decomposition and anisotropic lifetime modulation in a GaAs micromechanical resonator
• Position- and momentum-squeezed quantum states in micro-scale mechanical resonators