Microwave saturation spectroscopy of nitrogen-vacancy ensembles in diamond

Abstract

Negatively-charged nitrogen-vacancy (NV${}^{-}$) centers in diamond have generated much recent interest for their use in sensing. The sensitivity improves when the NV ground-state microwave transitions are narrow, but these transitions suffer from inhomogeneous broadening, especially in high-density NV ensembles. To better understand and remove the sources of broadening, we demonstrate room-temperature spectral "hole burning" of the NV ground-state transitions. We find that hole burning removes the broadening caused by magnetic fields from ${}^{13}$C nuclei and demonstrate that it can be used for magnetic-field-insensitive thermometry.

Main text: 5 pages, 4 figures. Supplement: 6 pages, 3 figures

References in corpus (11)

• The nitrogen-vacancy colour centre in diamond
• High-sensitivity diamond magnetometer with nanoscale resolution
• Nanometer scale quantum thermometry in a living cell
• Universal dynamical decoupling of a single solid-state spin from a spin bath
• Solid-state electronic spin coherence time approaching one second
• High precision nano scale temperature sensing using single defects in diamond
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• Engineering shallow spins in diamond with nitrogen delta-doping
• Coherence of single spins coupled to a nuclear spin bath of varying density
• Absolute magnetometry based on quantum beats in diamond nitrogen-vacancy centers
• Electromagnetically-induced transparency in a diamond spin ensemble enables all-optical electromagnetic field sensing

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• High density NV sensing surface created via He^(+) ion implantation of (12)^C diamond
• Optically Enhanced Electric Field Sensing Using Nitrogen-Vacancy Ensembles
• Multiplexed sensing of magnetic field and temperature in real time using a nitrogen vacancy spin ensemble in diamond
• Precision temperature sensing in the presence of magnetic field noise and vice-versa using nitrogen-vacancy centers in diamond
• Coherent population oscillations with nitrogen-vacancy color centers in diamond
• Dual-frequency spin resonance spectroscopy of diamond nitrogen-vacancy centers in zero magnetic field
• High-contrast two-quantum optically detected resonances in NV centers in diamond in zero magnetic field
• Magnetic field noise analyses generated by the interactions between a nitrogen vacancy center diamond and surface and bulk impurities
• Experimental demonstration of two-photon magnetic resonances in a single-spin-system of a solid
• Probing the Origins of Inhomogeneous Broadening in Nitrogen-Vacancy Centers with "Doppler-Free" Type Spectroscopy
• Continuous microwave hole burning and population oscillations in a diamond spin ensemble
• Radiofrequency response of the optically detected level anti-crossing signal in NV color centers in diamond in zero and weak magnetic fields
• Photoelectrical detection and characterization of divacancy and PL5-PL7 spins in silicon carbide
• Double electron resonance with two ensembles of nitrogen-vacancy centers in diamond
• Extension of the Coherence Time by Generating MW Dressed States in a Single NV Centre in Diamond
• Interplay between dressed and strong-axial-field states in Nitrogen-Vacancy centers for quantum sensing and computation