• DOI:10.1103/PhysRevB.89.205202
• Corpus ID: 14014761

Optically detected nuclear quadrupolar interaction ofN14in nitrogen-vacancy centers in diamond

@article{Shin2014OpticallyDN,
  title={Optically detected nuclear quadrupolar interaction ofN14in nitrogen-vacancy centers in diamond},
  author={Chang-Seok Shin and M. Butler and Hai-Jing Wang and Claudia Esther Avalos and Scott J. Seltzer and Ren-Bao Liu and Alexander Pines and Vikram S. Bajaj},
  journal={Physical Review B},
  year={2014},
  volume={89}
}

• C. Shin, M. Butler, +5 authors V. Bajaj
• Published 1 May 2014
• Physics
• Physical Review B

We report sensitive detection of the nuclear quadrupolar interaction of the 14N nuclear spin of the nitrogen-vacancy (NV) center using the electron spin echo envelope modulation technique. We applied a weak transverse magnetic field to the spin system so that certain forbidden transitions became weakly allowed due to second-order effects involving the nonsecular terms of the hyperfine interaction. The weak transitions cause modulation of the electron spin-echo signal, and a theoretical analysis suggests that the modulation frequency is primarily determined by the nuclear quadrupolar frequency; numerical simulations confirm the analytical results and show excellent quantitative agreement with experiments. This is an experimentally simple method of detecting quadrupolar interactions, and it can be used to study spin systems with an energy structure similar to that of the nitrogen vacancy center.