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Trapped Ion Quantum Computing

Long coherence time of spin qubits in 12C enriched polycrystalline CVD diamond

arXiv
Authors: K. D. Jahnke, B. Naydenov, T. Teraji, S. Koizumi, T. Umeda, J. Isoya, F. Jelezko

Year

2012

Paper ID

8521

Status

Preprint

Abstract Read

~2 min

Abstract Words

95

Citations

N/A

Abstract

Single defects in diamond and especially negatively charged nitrogen vacancy (NV) centers are very promising quantum systems with wide applications in physics and biology. It was shown that their coherence properties can be strongly improved by growing ultrapure diamond with low concentration of parasitic spins associated with nitrogen electron spins and nuclear spins related to 13C carbon isotope. Here we report a high quality 12C-enriched polycrystalline CVD diamond material with properties comparable with single crystals. We find single NVs in the grains of this material, which show extremely long electron spin coherence time T2 > 2 ms.

Why This Paper Matters

  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2012 reference point for readers tracking recent quantum research.
  • Single defects in diamond and especially negatively charged nitrogen vacancy (NV) centers are very promising quantum systems with wide applications in physics and biology.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1206.4260 [2] arXiv https://arxiv.org/abs/1206.4260 [3] Publisher https://arxiv.org/abs/1206.4260

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