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Room-temperature coherent coupling of single spins in diamond
Open accessAbstract
Coherent coupling between single quantum objects is at the very heart of modern quantum physics. When the coupling is strong enough to prevail over decoherence, it can be used to engineer quantum entangled states. Entangled states have attracted widespread attention because of applications to quantum computing and long-distance quantum communication. For such applications, solid-state hosts are preferred for scalability reasons, and spins are the preferred quantum system in solids because they offer long coherence times. Here we show that a single pair of strongly coupled spins in diamond, associated with a nitrogen-vacancy defect and a nitrogen atom, respectively, can be optically initialized and read out at room temperature. To effect this strong coupling, close proximity of the two spins is required, but large distances from other spins are needed to avoid deleterious decoherence. These requirements were reconciled by implanting molecular nitrogen into high-purity diamond.
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Cited by
Ladd, T. D., Jelezko, F., Laflamme, R., Nakamura, Y., Monroe, C., & O’Brien, J. L. (2010) · Nature · doi:10.1038/nature08812 · Cited by 3,592
Self-citationThe nitrogen-vacancy colour centre in diamond
Doherty, M. W., Manson, N. B., Delaney, P., Jelezko, F., Wrachtrup, J., & Hollenberg, L. C. L. (2013) · Physics Reports · doi:10.1016/j.physrep.2013.02.001 · Cited by 2,866
Self-citationHybrid quantum circuits: Superconducting circuits interacting with other quantum systems
Xiang, Z.-L., Ashhab, S., You, J. Q., & Nori, F. (2013) · Reviews of Modern Physics · doi:10.1103/revmodphys.85.623 · Cited by 1,514
Quantum register based on individual electronic and nuclear spin qubits in diamond
Dutt, M. V. G., Childress, L., Jiang, L., Togan, E., Maze, J., Jelezko, F., Zibrov, A. S., Hemmer, P. R., & Lukin, M. D. (2007) · Science · doi:10.1126/science.1139831 · Cited by 1,287
Self-citationCoherent control of single spins in silicon carbide at room temperature
Widmann, M., Lee, S.-Y., Rendler, T., Son, N. T., Fedder, H., Paik, S., Yang, L.-P., Zhao, N., Yang, S., Booker, I., et al. (2015) · Nature Materials · doi:10.1038/nmat4145 · Cited by 668
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Metadata
- Authors
- Gaebel, T., Domhan, M., Popa, I., Wittmann, C., Neumann, P., Jelezko, F., Rabeau, J. R., Stavrias, N., Greentree, A. D., Prawer, S., Meijer, J., Twamley, J., Hemmer, P. R., & Wrachtrup, J.
- Venue
- Nature Physics
- Published
- 2006-05-28
- Volume
- 2
- Issue
- 6
- Pages
- 408-413
- ISSN
- 1745-2473 (ISSN-L)
- 1745-2481
- OpenAlex
- W2108479345
- Cited by
- 586
- References
- 0
- FWCI
- 23.44
- Type
- journal article
- Language
- en
- Open access
- green
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- Gaebel, T., Domhan, M., Popa, I., Wittmann, C., Neumann, P., Jelezko, F., Rabeau, J. R., Stavrias, N., Greentree, A. D., Prawer, S., Meijer, J., Twamley, J., Hemmer, P. R., & Wrachtrup, J. (2006). Room-temperature coherent coupling of single spins in diamond. Nature Physics. https://doi.org/10.1038/nphys318
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