Precision Magnetometry Using Ensembles of NV Spins in Diamond

POSTER

Abstract

We are developing precision magnetometers using ensembles of nitrogen-vacancy (NV) centers in room-temperature diamond. Magnetometry with single NV centers has demonstrated sensitivity on the order of 10 nT per root Hz. By simultaneously detecting the fluorescence signal from an ensemble of many NV centers, we achieve much higher magnetic field sensitivity. Further improvements will be possible with improved photon collection efficiency and reduced NV spin decoherence. Recent progress will be reported.

Authors

  • D. Le Sage

    • Harvard-Smithsonian

  • L. Pham

    • Harvard-Smithsonian

  • D. Glenn

    • Harvard-Smithsonian

  • P. Stanwix

    • Harvard-Smithsonian

  • T. Yeung

    • Harvard-Smithsonian

  • L. Yi

    • Harvard-Smithsonian

  • Y. Zhao

    • Harvard-Smithsonian

  • P. Cappellaro

    • MIT

  • P. Hemmer

    • Texas A\&M

  • M. Lukin

    • Harvard

  • A. Yacoby

    • Harvard

  • R. Walsworth

    • Harvard-Smithsonian