Journal
PHYSICAL REVIEW B
Volume 98, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.98.121405
Keywords
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Funding
- JSPS [JP17J05890, 26220602]
- JST Development of Systems and Technologies for Advanced Measurement and Analysis (SENTAN)
- JSPS Core-to-Core Program
- Spintronics Research Network of Japan (Spin-RNJ)
- Grants-in-Aid for Scientific Research [26220602] Funding Source: KAKEN
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We report on a nanoscale quantum sensing protocol which tracks a free precession of a single nuclear spin and is capable of estimating an azimuthal angle-a parameter which standard multipulse protocols cannot determine-of the target nucleus. Our protocol combines pulsed dynamic nuclear polarization, a phase-controlled radio-frequency pulse, and a multipulse ac sensing sequence with a modified readout pulse. Using a single nitrogen-vacancy center as a solid-state quantum sensor, we experimentally demonstrate this protocol on a single C-13 nuclear spin in diamond and uniquely determine the lattice site of the target nucleus. Our result paves the way for magnetic resonance imaging at the single-molecular level.
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