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Experimental quantum teleportation of a two-qubit composite system
Open accessAbstract
Quantum teleportation1, a way to transfer the state of a quantum system from one location to another, is central to quantum communication2 and plays an important role in a number of quantum computation protocols3,4,5. Previous experimental demonstrations have been implemented with single photonic6,7,8,9,10,11 or ionic qubits12,13. However, teleportation of single qubits is insufficient for a large-scale realization of quantum communication and computation2,3,4,5. Here, we present the experimental realization of quantum teleportation of a two-qubit composite system. In the experiment, we develop and exploit a six-photon interferometer to teleport an arbitrary polarization state of two photons. The observed teleportation fidelities for different initial states are all well beyond the state estimation limit of 0.40 for a two-qubit system14. Not only does our six-photon interferometer provide an important step towards teleportation of a complex system, it will also enable future experimental investigations on a number of fundamental quantum communication and computation protocols3,15,16,17,18.
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Cited by
Multiphoton entanglement and interferometry
Pan, J.-W., Chen, Z.-B., Lu, C.-Y., Weinfurter, H., Zeilinger, A., & Żukowski, M. (2012) · Reviews of Modern Physics · doi:10.1103/revmodphys.84.777 · Cited by 1,410
“Few-qubit cluster states of photons were created in several recent experiments (Zhang et al., 2006a; Walther et al., 2005b; Kiesel et al., 2005; Schmid et al., 2007; Lu et al., 2007).”
BackgroundMethodInfluentialSelf-citationExperimental entanglement of six photons in graph states
Lu, C.-Y., Zhou, X.-Q., Gühne, O., Gao, W.-B., Zhang, J., Yuan, Z.-S., Goebel, A., Yang, T., & Pan, J.-W. (2007) · Nature Physics · doi:10.1038/nphys507 · Cited by 683
Self-citationQuantum teleportation in high dimensions
Luo, Y.-H., Zhong, H.-S., Erhard, M., Wang, X.-L., Peng, L.-C., Krenn, M., Jiang, X., Li, L., Liu, N.-L., Lu, C.-Y., et al. (2019) · Physical Review Letters · doi:10.1103/physrevlett.123.070505 · Cited by 406
Self-citationExperimental free-space quantum teleportation
Jin, X.-M., Ren, J.-G., Yang, B., Yi, Z.-H., Zhou, F., Xu, X.-F., Wang, S.-K., Yang, D., Hu, Y.-F., Jiang, S., et al. (2010) · Nature Photonics · doi:10.1038/nphoton.2010.87 · Cited by 378
Self-citationEfficient Toffoli gates using qudits
Ralph, T. C., Resch, K. J., & Gilchrist, A. (2007) · Physical Review A · doi:10.1103/physreva.75.022313 · Cited by 293
Metadata
- Authors
- Zhang, Q., Goebel, A., Wagenknecht, C., Chen, Y.-A., Zhao, B., Yang, T., Mair, A., Schmiedmayer, J., & Pan, J.-W.
- Venue
- Nature Physics
- Published
- 2006-09-17
- Volume
- 2
- Issue
- 10
- Pages
- 678-682
- ISSN
- 1745-2473 (ISSN-L)
- 1745-2481
- OpenAlex
- W2014607681
- Cited by
- 221
- References
- 15
- FWCI
- 17.22
- Type
- journal article
- Language
- en
- Open access
- bronze
- Licence
- www.springernature.com/gp/researchers/text-and-data-mining (tdm)
- www.springernature.com/gp/researchers/text-and-data-mining (vor)
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