Multi-frequency ODMR of Nitrogen-Vacancy Color Centers in Diamond Crystals in zero magnetic fields

Techniques of optical detection of magnetic resonance, as applied tothe nitrogen-vacancy center in diamond, provide a tool for controlling both electron and nuclear spins. These techniques generally use a combination of microwave (MW) drive field for electronic spin transitions and radiofrequency (R...

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Bibliographic Details
Published in:Journal of physics. Conference series 2018-12, Vol.1135 (1), p.12051
Main Authors: Dmitriev, A K, Vershovskii, A K
Format: Article
Language:English
Subjects:
Color centers
Diamond tools
Electron spin
Lattice vacancies
Magnetic fields
Magnetic resonance
Nuclear spin
Radio frequency
Spin dynamics
System dynamics
Vacancies
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Summary:Techniques of optical detection of magnetic resonance, as applied tothe nitrogen-vacancy center in diamond, provide a tool for controlling both electron and nuclear spins. These techniques generally use a combination of microwave (MW) drive field for electronic spin transitions and radiofrequency (RF) drive field for nuclear spin transitions. They are most effective in strong magnetic fields where levels anticrossing (LAC) occurs; therefore NV spin system dynamics is mostly studied under these conditions. Nevertheless, zero-field LAC can probably also be used for controlling electron and nuclear spin states as well for exciting narrow resonances for metrological application, and these perspectives are not yet properly investigated. Here we present two-quantum resonances appearing in ODMR spectra of NV centers in bulk diamond under multi-frequency (MW+RF) resonance excitation in zero and ultra-low magnetic fields, and discuss their specifics.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1135/1/012051