Decoherence of dipolar spin ensembles in diamond

Abstract

We present a combined theoretical and experimental study of solid-state spin decoherence in an electronic spin bath, focusing specifically on ensembles of nitrogen vacancy (NV) color centers in diamond and the associated substitutional nitrogen spin bath. We perform measurements of NV spin free induction decay times $T_2^{\ast }$ and spin-echo coherence times $T_2$ in 25 diamond samples with nitrogen concentrations [N] ranging from 0.01 to 300\,ppm. We introduce a microscopic model and perform numerical simulations to quantitatively explain the degradation of both $T_2^{\ast }$ and $T_2$ over four orders of magnitude in [N]. Our results resolve a long-standing discrepancy observed in NV $T_2$ experiments, enabling us to describe NV ensemble spin coherence decay shapes as emerging consistently from the contribution of many individual NV.

6 pages, 4 figures + supplement

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Cited by in corpus (78)

• Single-molecule Scale Magnetic Resonance Spectroscopy using Nitrogen-Vacancy Centers in Diamond
• Picotesla magnetometry of microwave fields with diamond sensors
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• Cavity quantum electrodynamic readout of a solid-state spin sensor
• Microwave Spin Control of a Tin-Vacancy Qubit in Diamond
• Optically coherent nitrogen-vacancy defect centers in diamond nanostructures
• Fast wide-field quantum sensor based on solid-state spins integrated with a SPAD array
• Efficient Conversion of Nitrogen to Nitrogen-Vacancy Centers in Diamond Particles with High-Temperature Electron Irradiation
• A robust fiber-based quantum thermometer coupled with nitrogen-vacancy centers
• Prospects for nuclear spin hyperpolarisation of molecular samples using nitrogen-vacancy centres in diamond
• Magnon-mediated qubit coupling determined via dissipation measurements
• Fabrication of ${}^{15}{\text{NV}}^{-}$ centers in diamond using a deterministic single ion implanter
• High-precision mapping of diamond crystal strain using quantum interferometry
• Spin-mechanics with nitrogen-vacancy centers and trapped particles
• Hyperpolarisation of external nuclear spins using nitrogen-vacancy centre ensembles
• Room-temperature quantum sensing with photoexcited triplet electrons in organic crystals
• Determination of local defect density in diamond by double electron-electron resonance
• Large Room Temperature Bulk DNP of ${}^{13}$C via P1 Centers in Diamond
• Nanoscale Solid-State Nuclear Quadrupole Resonance Spectroscopy using Depth-Optimized Nitrogen-Vacancy Ensembles in Diamond
• Temperature-dependence of T1 spin relaxation of single NV centers in nanodiamonds
• Quantum noise spectroscopy of dynamical critical phenomena
• Long Spin Coherence and Relaxation Times in Nanodiamonds Milled from Polycrystalline ${}^{12}$C Diamond
• Comparison of different methods of nitrogen-vacancy layer formation in diamond for widefield quantum microscopy
• Ultrahigh nitrogen-vacancy center concentration in diamond
• Proximal nitrogen reduces the fluorescence quantum yield of nitrogen-vacancy centres in diamond
• Observation of a narrow inner-shell orbital transition in atomic erbium at 1299 nm
• Rapid determination of single substitutional nitrogen N${}_s^0$ concentration in diamond from UV-Vis spectroscopy
• Microscopic study of optically-stable, coherent color centers in diamond generated by high-temperature annealing
• Substrate-controlled dynamics of spin qubits in low dimensional van-der-Waals materials
• Characterizing temperature and strain variations with qubit ensembles for their robust coherence protection
• Quantum-grade nanodiamonds for ultrabright spin detection in live cells
• Laser threshold magnetometry using green light absorption by diamond nitrogen vacancies in an external cavity laser
• Fourier Transform Noise Spectroscopy
• Fast coherent control of an NV- spin ensemble using a KTaO3 dielectric resonator at cryogenic temperatures
• Decoherence of Nuclear Spins in the Proximity of Nitrogen Vacancy Centers in Diamond
• Ferrimagnetic Oscillator Magnetometer
• Identity Test of Single NV${}^{-}$ Centers in Diamond at Hz-Precision Level
• Spin coherence in strongly coupled spin baths in quasi-two-dimensional layers
• Performance of quantum registers in diamond in the presence of spin impurities
• DC Quantum Magnetometry Below the Ramsey Limit
• Coherence properties of NV-center ensembles in diamond coupled to an electron-spin bath
• The $N_{2}V$ color center: a ubiquitous visible and near-infrared-II quantum emitter in nitrogen-doped diamond
• High-Fidelity Electron Spin Gates for Scaling Diamond Quantum Register
• Stability and decoherence analysis of the silicon vacancy in 3C-SiC
• Sub-10 nm precision engineering of solid-state defects via nanoscale aperture array mask
• Real-time adaptive estimation of decoherence timescales for a single qubit
• Self-consistent noise characterization of quantum devices
• Impact of helium ion implantation dose and annealing on dense near-surface layers of NV centers
• Vector DC magnetic-field sensing with reference microwave field using perfectly aligned nitrogen-vacancy centers in diamond
• Sensing with discrete time crystals
• Digital noise spectroscopy with a quantum sensor
• Optical-power-dependent splitting of magnetic resonance in nitrogen-vacancy centers in diamond
• Quantum spin probe of single charge dynamics
• On the creation of near-surface nitrogen-vacancy centre ensembles by implantation of type Ib diamond
• Long-time memory effects in a localizable central spin problem
• Tunable Gyromagnetic Augmentation of Nuclear Spins in Diamond
• Anisotropic electron-nuclear interactions in a rotating quantum spin bath
• Characterizing the magnetic noise power spectrum of dark spins in diamond
• Continuously tracked, stable, large excursion trajectories of dipolar coupled nuclear spins
• Widefield quantum microscopy with nitrogen-vacancy centers in diamond: strengths, limitations, and prospects
• Optimal microwave control pulse for nuclear spin polarization and readout in dense nitrogen-vacancy ensembles in diamond
• Optically Coherent Nitrogen-Vacancy Centers in HPHT Treated Diamonds
• Coherent Generation and Protection of Anticoherent Spin States
• Floquet Dynamical Decoupling at Zero Bias
• Electronic Noise Considerations for Designing Integrated Solid-State Quantum Memories
• Creation of nitrogen-vacancy centers in chemical vapor deposition diamond for sensing applications
• Quantum information processing with nuclear spins mediated by a weak-mechanically controlled electron spin
• Quantum decoherence of nitrogen-vacancy spin ensembles in a nitrogen spin bath in diamond under dynamical decoupling
• Principles and Techniques of the Quantum Diamond Microscope
• Simulation of the Dissipative Dynamics of Strongly Interacting NV Centers with Tensor Networks
• Local nanoscale probing of electron spins using NV centers in diamond
• Engineering Nanodiamonds for Quantum Sensing: Material Constraints at the Nanoscale
• Irradiation-Induced Spin Bath Evolution and as-Grown Hydrogen Defects in CVD Diamond Revealed by NV-Based DEER Spectroscopy
• Sensing with near-infrared laser trapped fluorescent nanodiamonds
• Testing the weak equivalence principle for nonclassical matter with torsion balances
• Interplay between dressed and strong-axial-field states in Nitrogen-Vacancy centers for quantum sensing and computation
• Efficient creation of shallow NV${}^{-}$ ensembles by high-angle ion implantation