Experimental Diagnostics of Entanglement Swapping by a Collective Entanglement Test
Open accessAbstract
This paper reports on the experimental diagnostics of an entanglement-swapping protocol by means of collective entanglement witness. Our approach is suitable to detect disturbances occurring in the preparation of quantum states, quantum-communication channels, and imperfect Bell-state projections. More specifically, we demonstrate that our method can distinguish disturbances such as depolarization, phase damping, amplitude damping, and imperfect Bell-state measurement by observing four probabilities and estimating collective entanglement witness. Since entanglement swapping is a key procedure for quantum repeaters, quantum relays, device-independent quantum communications, and entanglement-assisted error correction, this can aid in faster and practical resolutions of quality of transmission related problems as our approach requires fewer measurements than other means of diagnostics.
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The setup applied in this work was also used earlier in Refs.48-51 for conceptually different tasks.
“We note that the setup applied in this work was also used earlier in Refs.48–51, but for conceptually different tasks, e.g., measuring collective nonlinear witnesses of entanglement52,53, Bell nonlocality measure54, or diagnosing an entanglement-swapping protocol.”
From Experimental hierarchy of two-qubit quantum correlations without state tomography (2023) · cites this paper as [50]
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Cites
A single quantum cannot be cloned
Wootters, W. K., & Zurek, W. H. (1982) · Nature · doi:10.1038/299802a0 · Cited by 5,406 · see citing works
On-chip generation of high-dimensional entangled quantum states and their coherent control
Kues, M., Reimer, C., Roztocki, P., Cortés, L. R., Sciara, S., Wetzel, B., Zhang, Y., Cino, A., Chu, S. T., Little, B. E., et al. (2017) · Nature · doi:10.1038/nature22986 · Cited by 1,177 · see citing works
Collectibility for mixed quantum states
Rudnicki, Ł., Puchała, Z., Horodecki, P., & Życzkowski, K. (2012) · Physical Review A · doi:10.1103/physreva.86.062329 · Cited by 20 · see citing works
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Research works printed but not linked: 8
- [1]Mario Krenn, Mehul Malik, Thomas Scheidl, Rupert Ursin, and Anton Zeilinger, Optics in Our Time (Springer International Publishing, 2016) pp. 455-482.
- [2]Gregg Jaeger, Quantum Information (Springer New York, 2007).
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Experimental hierarchy of two-qubit quantum correlations without state tomography
Abo, S., Soubusta, J., Jiráková, K., Bartkiewicz, K., Černoch, A., Lemr, K., & Miranowicz, A. (2023) · Scientific Reports · doi:10.1038/s41598-023-35015-9 · Cited by 17 · see citing works
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- Authors
- Trávníček, V., Bartkiewicz, K., Černoch, A., & Lemr, K.
- Affiliations
- Czech Academy of Sciences (CZ)
- FZU - Institute of Physics of the Czech Academy of Sciences (CZ)
- Venue
- Physical Review Applied
- Publisher
- American Physical Society (APS)
- Published
- 2020-12-24
- Volume
- 14
- Issue
- 6
- ISSN
- 2331-7019 (ISSN-L)
- OpenAlex
- W3070886031
- Cited by
- 6
- References
- 3
- Citations by year
- 2024: 2 · 2023: 2 · 2022: 1 · 2021: 1
- FWCI
- 0.39
- Type
- journal article
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- Physical Review Applied (publishedVersion)
- arXiv (Cornell University) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- arXiv (Cornell University)
- Funders
- Czech Science Foundation (20-17765S)
- Polish National Science Center (DEC-2019/34/A/ST2/00081)
- internal Palacky University (IGA-PrF-2020-007)
- 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
- entanglement swapping, quantum state preparation, depolarization, phase damping, amplitude damping, quantum repeaters
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