期刊
PHYSICAL REVIEW LETTERS
卷 111, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.067601
关键词
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资金
- JST
- DFG [FOR1482, FOR1493, SPP1601, SFB TR21]
- EU (DIAMANT)
- DARPA (QUASAR)
- Alexander von Humboldt Foundation
- Marie Curie Fellowship
- FP7
- carrier integration (CIG) [321798]
- Grants-in-Aid for Scientific Research [23360143] Funding Source: KAKEN
We report the detection and polarization of nuclear spins in diamond at room temperature by using a single nitrogen-vacancy (NV) center. We use Hartmann-Hahn double resonance to coherently enhance the signal from a single nuclear spin while decoupling from the noisy spin bath, which otherwise limits the detection sensitivity. As a proof of principle, we (i) observe coherent oscillations between the NV center and a weakly coupled nuclear spin and (ii) demonstrate nuclear-bath cooling, which prolongs the coherence time of the NV sensor by more than a factor of 5. Our results provide a route to nanometer scale magnetic resonance imaging and novel quantum information processing protocols.
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