Optically detected spin-mechanical resonance in silicon carbide membranes

Abstract

Hybrid spin-mechanical systems are a promising platform for future quantum technologies. Usually they require application of additional microwave fields to project integer spin to a readable state. We develop a theory of optically detected spin-mechanical resonance associated with half-integer spin defects in silicon carbide (SiC) membranes. It occurs when a spin resonance frequency matches a resonance frequency of a mechanical mode, resulting in a shortening of the spin relaxation time through resonantly enhanced spin-phonon coupling. The effect can be detected as an abrupt reduction of the photoluminescence intensity under optical pumping without application of microwave fields. We propose all-optical protocols based on such spin-mechanical resonance to detect external magnetic fields and mass with ultra-high sensitivity. We also discuss room-temperature nonlinear effects under strong optical pumping, including spin-mediated cooling and heating of mechanical modes. Our approach suggests a new concept for quantum sensing using spin-optomechanics.

9 pages, 4 figures

References in corpus (15)

• Coherent control of single spins in silicon carbide at room temperature
• Dynamic strain-mediated coupling of a single diamond spin to a mechanical resonator
• Probing spin-phonon interactions in silicon carbide with Gaussian acoustics
• Engineering near infrared single photon emitters in ultrapure silicon carbide
• The negatively charged nitrogen-vacancy centre in diamond: the electronic solution
• Magnetic field and temperature sensing with atomic-scale spin defects in silicon carbide
• Resonant addressing and manipulation of silicon vacancy qubits in silicon carbide
• Quantum properties of dichroic silicon vacancies in silicon carbide
• Nanomechanical sensing using spins in diamond
• Spin-strain interaction in nitrogen-vacancy centers in diamond
• Excitation and coherent control of spin qudit modes with sub-MHz spectral resolution
• Spin and optical properties of silicon vacancies in silicon carbide (a review)
• Cooling a Mechanical Resonator with a Nitrogen-Vacancy Center Ensemble Using a Room Temperature Excited State Spin-Strain Interaction
• \emph{Ab initio} spin-strain coupling parameters of divacancy qubits in silicon carbide
• Highly efficient optical pumping of spin defects in silicon carbide for stimulated microwave emission

Cited by in corpus (9)

• Influence of irradiation on defect spin coherence in silicon carbide
• Nanomechanical Dissipation and Strain Engineering
• Local vibrational modes of Si vacancy spin qubits in SiC
• Anisotropic Spin-Acoustic Resonance in Silicon Carbide at Room Temperature
• Stress-controlled zero-field spin splitting in silicon carbide
• Precise characterization of a silicon carbide waveguide fiber interface
• Theory of Spin-Acoustic Resonance for Spin-3/2 Si Vacancy with $C_{3v}$ Site Symmetry in Silicon Carbide
• Effect of Helium Ion Implantation on 3C-SiC Nanomechanical String Resonators
• Acoustically induced coherent spin trapping