Magnetometry with nitrogen-vacancy ensembles in diamond based on infrared absorption in a doubly resonant optical cavity

Y. Dumeige, M. Chipaux, V. Jacques, F. Treussart, J.-F. Roch, T. Debuisschert, V. M. Acosta, A. Jarmola, K. Jensen, P. Kehayias, and D. Budker
Phys. Rev. B 87, 155202 – Published 8 April 2013

Abstract

We propose using an optical cavity to enhance the sensitivity of a magnetometer relying on the detection of the spin state of a high-density nitrogen-vacancy ensemble in diamond using infrared optical absorption. The role of the cavity is to obtain a contrast in the absorption-detected magnetic resonance approaching unity at room temperature. We project an increase in the photon shot-noise limited sensitivity of two orders of magnitude in comparison with a single-pass approach. Optical losses can limit the enhancement to one order of magnitude, which could still enable room-temperature operation. Finally, the optical cavity also allows us to use less pumping power when the cavity is resonant at both the pump and the infrared probe wavelength.

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  • Received 4 January 2013

DOI:https://doi.org/10.1103/PhysRevB.87.155202

©2013 American Physical Society

Authors & Affiliations

Y. Dumeige1,*, M. Chipaux2, V. Jacques3, F. Treussart3, J.-F. Roch3, T. Debuisschert2, V. M. Acosta4,5, A. Jarmola5, K. Jensen5, P. Kehayias5, and D. Budker5

  • 1UEB, Université Européenne de Bretagne, Université de Rennes I and CNRS, UMR 6082 FOTON, Enssat, 6 rue de Kerampont, CS 80518, 22305 Lannion cedex, France
  • 2Thales Research and Technology, Campus Polytechnique, 91767 Palaiseau, France
  • 3Laboratoire Aimé Cotton, CNRS, Université Paris-Sud and ENS Cachan, 91405 Orsay, France
  • 4Hewlett-Packard Laboratories, Palo Alto, California, USA
  • 5Department of Physics, University of California, Berkeley, California 94720-7300, USA

  • *yannick.dumeige@univ-rennes1.fr

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Vol. 87, Iss. 15 — 15 April 2013

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