Polarization-selective excitation of nitrogen vacancy centers in diamond

Thiago P. Mayer Alegre, Charles Santori, Gilberto Medeiros-Ribeiro, and Raymond G. Beausoleil
Phys. Rev. B 76, 165205 – Published 12 October 2007

Abstract

The nitrogen vacancy (NV) center in diamond is promising as an electron spin qubit due to its long-lived coherence and optical addressability. The ground state is a spin triplet with two levels (ms=±1) degenerate at zero magnetic field. Polarization-selective microwave excitation is an attractive method to address the spin transitions independently since this allows operation down to zero magnetic field. Using a resonator designed to produce circularly polarized microwaves, we have investigated the polarization selection rules of the NV center. We first apply this technique to NV ensembles in [100]- and [111]-oriented samples. Next, we demonstrate an imaging technique, based on optical polarization dependence, which allows rapid identification of the orientations of many single NV centers. Finally, we test the microwave polarization selection rules of individual NV centers of known orientation.

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  • Received 17 May 2007

DOI:https://doi.org/10.1103/PhysRevB.76.165205

©2007 American Physical Society

Authors & Affiliations

Thiago P. Mayer Alegre1,2, Charles Santori3, Gilberto Medeiros-Ribeiro1,3, and Raymond G. Beausoleil3

  • 1Laboratório Nacional de Luz Síncrotron, Caixa Postal 6192, CEP 13083-970 Campinas, São Paulo, Brasil
  • 2Instituto de Física “Gleb Wataghin”, Universidade Estadual de Campinas, Unicamp, CEP 13083-970 Campinas, São Paulo, Brasil
  • 3Hewlett-Packard Laboratories, 1501 Page Mill Road, Palo Alto, California 94304, USA

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Issue

Vol. 76, Iss. 16 — 15 October 2007

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