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Trapped Ion Quantum Computing Quantum Chemistry

Strongly Coupled Diamond Spin Qubits by Molecular Nitrogen Implantation

arXiv
Authors: Takashi Yamamoto, Christoph Müller, Liam P. McGuinness, Tokuyuki Teraji, Boris Naydenov, Shinobu Onoda, Takeshi Ohshima, Jörg Wrachtrup, Fedor Jelezko, Junichi Isoya

Year

2013

Paper ID

32082

Status

Preprint

Abstract Read

~2 min

Abstract Words

78

Citations

N/A

Abstract

Ionized nitrogen molecules $15$N$2^+$ are used as efficient point sources for creating NV^- pairs in diamond with nanoscale spatial separation and up to 55 kHz magnetic coupling strength. Co-implantation of 12C^+ increased the yield of pairs, and a 13C-depleted diamond allowed 0.65 ms coherence times to be obtained. Further coupling to a third dark spin provided a strongly coupled three spin register. These results mark an important step towards realization of multi-qubit systems and scalable NV^- quantum registers.

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  • Ionized nitrogen molecules ^15N2^+ are used as efficient point sources for creating NV^- pairs in diamond with nanoscale spatial separation and up to 55 kHz magnetic coupling...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1311.0978 [2] arXiv https://arxiv.org/abs/1311.0978 [3] Publisher https://arxiv.org/abs/1311.0978

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