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Phys Rev Lett. 2013 Aug 9;111(6):067601. Epub 2013 Aug 5.

Detecting and polarizing nuclear spins with double resonance on a single electron spin.

Author information

1
Department of Physics, Technion, Israel Institute of Technology, Haifa 32000, Israel. pazl@tx.technion.ac.il

Abstract

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.

PMID:
23971612
DOI:
10.1103/PhysRevLett.111.067601
[Indexed for MEDLINE]

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