The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.
Measurement-induced entanglement for excitation stored in remote atomic ensembles
Open accessAbstract
A critical requirement for diverse applications in quantum information science is the capability to disseminate quantum resources over complex quantum networks. For example, the coherent distribution of entangled quantum states together with quantum memory (for storing the states) can enable scalable architectures for quantum computation, communication and metrology. Here we report observations of entanglement between two atomic ensembles located in distinct, spatially separated set-ups. Quantum interference in the detection of a photon emitted by one of the samples projects the otherwise independent ensembles into an entangled state with one joint excitation stored remotely in 105 atoms at each site. After a programmable delay, we confirm entanglement by mapping the state of the atoms to optical fields and measuring mutual coherences and photon statistics for these fields. We thereby determine a quantitative lower bound for the entanglement of the joint state of the ensembles. Our observations represent significant progress in the ability to distribute and store entangled quantum states.
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Cites
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Cited by
Kimble, H. J. (2008) · Nature · doi:10.1038/nature07127 · Cited by 6,023
“Contemporary with these experiments which achieved heralded [16, 71, 75, 93] and deterministic [23, 98] entanglement have been a variety of experiments based upon entanglement as a post diction [99], for which a physical state is not available for utilization in a scalable network but which are…”
BackgroundResultInfluentialSelf-citationQuantum repeaters based on atomic ensembles and linear optics
Sangouard, N., Simon, C., de Riedmatten, H., & Gisin, N. (2011) · Reviews of Modern Physics · doi:10.1103/revmodphys.83.33 · Cited by 1,888
Self-citationQuantum entanglement between an optical photon and a solid-state spin qubit
Togan, E., Chu, Y., Trifonov, A. S., Jiang, L., Maze, J., Childress, L., Dutt, M. V. G., Sørensen, A. S., Hemmer, P. R., Zibrov, A. S., et al. (2010) · Nature · doi:10.1038/nature09256 · Cited by 1,200
Continuous-variable optical quantum-state tomography
Lvovsky, A. I., & Raymer, M. G. (2009) · Reviews of Modern Physics · doi:10.1103/revmodphys.81.299 · Cited by 1,123
Giovannetti, V., Lloyd, S., & Maccone, L. (2008) · Physical Review Letters · doi:10.1103/physrevlett.100.160501 · Cited by 935
Metadata
- Authors
- Chou, C. W., de Riedmatten, H., Felinto, D., Polyakov, S. V., van Enk, S. J., & Kimble, H. J.
- Venue
- Nature
- Published
- 2005-12
- Volume
- 438
- Issue
- 7069
- Pages
- 828-832
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W2963926992
- Cited by
- 587
- References
- 31
- FWCI
- 24.59
- Type
- journal article
- Language
- en
- Open access
- green
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- Chou, C. W., de Riedmatten, H., Felinto, D., Polyakov, S. V., van Enk, S. J., & Kimble, H. J. (2005). Measurement-induced entanglement for excitation stored in remote atomic ensembles. Nature. https://doi.org/10.1038/nature04353
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