Microwave saturation spectroscopy of nitrogen-vacancy ensembles in diamond

P. Kehayias, M. Mrózek, V. M. Acosta, A. Jarmola, D. S. Rudnicki, R. Folman, W. Gawlik, D. Budker

Research output: Contribution to journalArticlepeer-review

30 Scopus citations


Negatively charged nitrogen-vacancy (NV-) centers in diamond have generated much recent interest for their use in sensing. The sensitivity improves when the NV ground-state microwave transitions are narrow, but these transitions suffer from inhomogeneous broadening, especially in high-density NV ensembles. To better understand and remove the sources of broadening, we demonstrate room-temperature spectral "hole burning" of the NV ground-state transitions. We find that hole burning removes the broadening caused by magnetic fields from 13C nuclei and demonstrate that it can be used for magnetic-field-insensitive thermometry.

Original languageEnglish
Article number245202
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number24
StatePublished - 3 Jun 2014

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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