Optical magnetometry with sub-wavelength spatial resolution using individual spins in diamond

POSTER

Abstract

The ability to map weak magnetic fields with nanometer resolution is of great importance in biological science and high precision metrology of nanoscale structures. We describe and demonstrate a new technique that combines high spatial resolution in the spirit of stimulating-emission-depletion (STED) fluorescence microscopy [1] and nanoscale magnetic sensing with individual spins in diamond [2,3]. This new magnetic sensing and nanometer resolution fluorescence microscopy approach (m-STED) will allow detection of single electronic spins at a distance of 10 nm with 5-7 folds improvement beyond the diffraction limit lateral resolution. \\[4pt] [1] Hell, S. W. and J. Wichmann, Opt. Lett. 19, 780 (1994).\newline [2] J.R. Maze, et al., Nature 455, 644 (2008).\newline [3] J.M. Taylor, et al., Nature Physics 4, 810 (2008).

Authors

  • Jero Maze

    Physics Department, Harvard University, ITAMP, Harvard-Smithsonian Center for Astrophysics, Harvard University, Department of Physics, Harvard University

  • Peter Maurer

    Harvard University

  • Paul Stanwix

    Harvard-Smithsonian, Harvard-Smithsonian Center for Astrophysics

  • Liang Jiang

    Physics Department, Harvard University, ITAMP, Harvard-Smithsonian Center for Astrophysics, Harvard University

  • Jonathan Hodges

    Harvard University

  • Alexey Gorshkov

    Physics Department, Harvard University, Cambridge, Massachusetts 02138, USA, Physics Department, Harvard University, Physics Department, Harvard University, Cambridge, MA 02138, USA, Harvard University, Harvard University, Cambridge, MA 02138, USA

  • Alexander Zibrov

    Harvard-MIT Center for Ultracold Atoms, Harvard University, Physics Department, Harvard University, Harvard

  • Ronald Walsworth

    Harvard-Smithsonian CfA, Harvard-Smithsonian, Harvard-Smithsonian Center for Astrophysics

  • Mikhail D. Lukin

    Harvard-MIT Center for Ultracold Atoms, Harvard University, Physics Department, Harvard University, Cambridge-MA, 20138., Harvard, Department of Physics, Harvard University