| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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Generation of Nitrogen-Vacancy Center Pairs in Bulk Diamond by Molecular Nitrogen Implantation |
| Zhao-Jun Gong, Xiang-Dong Chen**, Cong-Cong Li, Shen Li, Bo-Wen Zhao, Fang-Wen Sun |
1Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026
2Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026
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| Cite this article: |
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Zhao-Jun Gong, Xiang-Dong Chen, Cong-Cong Li et al 2016 Chin. Phys. Lett. 33 026105 |
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Abstract The coupled negatively charged nitrogen-vacancy (NV$^{-}$) center system is a promising candidate for scalable quantum information techniques. In this work, ionized nitrogen molecules are implanted into bulk diamond to generate coupled NV$^{-}$ center pairs. The two-photon autocorrelation measurement and optically detected magnetic resonance measurement are carried out to confirm the production of the NV$^{-}$ center pair. Also, both 1.3 μs decoherence time and 4.9 kHz magnetic coupling strength of the NV$^{-}$ center pair are measured by controlling and detecting the spin states. Along with nanoscale manipulation and detection methods, such coupled NV$^{-}$ centers through short distance dipole–dipole interaction would show high potential in scalable quantum information processes.
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Received: 16 November 2015
Published: 26 February 2016
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| PACS: |
61.72.-y
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(Defects and impurities in crystals; microstructure)
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71.55.-i
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(Impurity and defect levels)
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78.56.-a
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(Photoconduction and photovoltaic effects)
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