Multispin-assisted optical pumping of bulk C13 nuclear spin polarization in diamond
نویسندگان
چکیده
منابع مشابه
Bulk nuclear polarization enhanced at room temperature by optical pumping.
Bulk (13)C polarization can be strongly enhanced in diamond at room temperature based on the optical pumping of nitrogen-vacancy color centers. This effect was confirmed by irradiating single crystals at a ~50 mT field promoting anticrossings between electronic excited-state levels, followed by shuttling of the sample into an NMR setup and by subsequent (13)C detection. A nuclear polarization o...
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Nuclear-magnetic-resonance (NMR) quantum-computer architectures have been by far the leading architectures in implementing small-scale proof-of-principle quantum computations. However, for an efficient computer initialization, nuclear spin polarizations of 100% are required. The low thermal nuclear-spin polarizations therefore prevent the realization of large-scale NMR quantum computers. It has...
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We report a versatile method to polarize single nuclear spins in diamond, based on optical pumping of a single nitrogen-vacancy (NV) defect and mediated by a level anticrossing in its excited state. A nuclear-spin polarization higher than 98% is achieved at room temperature for the 15N nuclear spin associated with the NV center, corresponding to microK effective nuclear-spin temperature. We the...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2018
ISSN: 2469-9950,2469-9969
DOI: 10.1103/physrevb.97.024422