Experimental demonstration of five-photon entanglement and open-destination teleportation
Open accessAbstract
Quantum-mechanical entanglement of three or four particles has been achieved experimentally, and has been used to demonstrate the extreme contradiction between quantum mechanics and local realism. However, the realization of five-particle entanglement remains an experimental challenge. The ability to manipulate the entanglement of five or more particles is required for universal quantum error correction. Another key process in distributed quantum information processing, similar to encoding and decoding, is a teleportation protocol that we term 'open-destination' teleportation. An unknown quantum state of a single particle is teleported onto a superposition of N particles; at a later stage, this teleported state can be read out (for further applications) at any of the N particles, by a projection measurement on the remaining particles. Here we report a proof-of-principle demonstration of five-photon entanglement and open-destination teleportation (for N = 3). In the experiment, we use two entangled photon pairs to generate a four-photon entangled state, which is then combined with a single-photon state. Our experimental methods can be used for investigations of measurement-based quantum computation and multi-party quantum communication.
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Five-photon entanglement was demonstrated by interfering a four-photon GHZ state with a source of pseudo-single photons from an attenuated laser light.
“Later on five-photon entanglement was demonstrated by interfering a four-photon GHZ state (Pan et al., 2001a) with a source of pseudo-single photons from an attenuated laser light (Zhao et al. 2004).”
From Multiphoton entanglement and interferometry (2012) · cites this paper as Zhao et al. 2004
Open-destination teleportation was experimentally demonstrated for N = 3 by Zhao et al. (2004).
“Such a teleportation scheme was experimentally demonstrated, for N = 3, by Zhao et al. (2004).”
From Multiphoton entanglement and interferometry (2012) · cites this paper as Zhao et al. (2004)
In the Zhao et al. (2004) experiment, five-fold coincidence was detected at a rate of 12 per hour and teleportation fidelities from photon 1 to photon 5 and from photon 1 to photon 4 for +/- linear and R/L circular polarization states were ∼0.80(4).
“The authors detected five-fold coincidence with a rate of 12 per hour and measured fidelities of teleportation from photon 1 to photon 5 and from photon 1 to photon 4. For +/-linear and R/L circular polarization states these were ∼ 0.80(4).”
From Multiphoton entanglement and interferometry (2012) · cites this paper as Zhao et al. (2004)
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“This is almost 5 times brighter than the source achieved in the fivephoton experiment (Zhao et al., 2004).”
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- Authors
- Zhao, Z., Chen, Y.-A., Zhang, A.-N., Yang, T., Briegel, H. J., & Pan, J.-W.
- Affiliations
- University of Science and Technology of China (CN)
- Austrian Academy of Sciences (AT)
- Corresponding author
- Pan, Jian-Wei
- Venue
- Nature
- Published
- 2004-07
- Volume
- 430
- Issue
- 6995
- Pages
- 54-58
- ISSN
- 0028-0836 (ISSN-L)
- 1476-4687
- OpenAlex
- W2072232105
- Cited by
- 602
- References
- 4
- Citations by year
- 2026: 2 · 2025: 17 · 2024: 21 · 2023: 17 · 2022: 16 · 2021: 25 · 2020: 32 · 2019: 19 · 2018: 18 · 2017: 28 · 2016: 14 · 2015: 27 · 2014: 29 · 2013: 26 · 2012: 24
- FWCI
- 42.63
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Nature (publishedVersion)
- PubMed (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- CERN Document Server (European Organization for Nuclear Research) (submittedVersion)
- arXiv (Cornell University)
- Funders
- Deutsche Forschungsgemeinschaft
- National Natural Science Foundation of China
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Information and Cryptography
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Quantum Mechanics and Applications
- Physical Sciences › Computer Science › Artificial Intelligence › Quantum Computing Algorithms and Architecture
- Keywords
- multi-particle entanglement, quantum teleportation, quantum error correction, distributed quantum information processing, measurement-based quantum computation, multi-party quantum communication, local realism
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