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Optimal architectures for long distance quantum communication

Muralidharan, Sreraman, Li, Linshu, Kim, Jungsang, Lütkenhaus, Norbert, Lukin, Mikhail D., Jiang, Liang·2016·Scientific Reports
DOI 10.1038/srep20463PMC PMC4753438
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Abstract

Despite the tremendous progress of quantum cryptography, efficient quantum communication over long distances (≥1000 km) remains an outstanding challenge due to fiber attenuation and operation errors accumulated over the entire communication distance. Quantum repeaters (QRs), as a promising approach, can overcome both photon loss and operation errors and hence significantly speedup the communication rate. Depending on the methods used to correct loss and operation errors, all the proposed QR schemes can be classified into three categories (generations). Here we present the first systematic comparison of three generations of quantum repeaters by evaluating the cost of both temporal and physical resources and identify the optimized quantum repeater architecture for a given set of experimental parameters for use in quantum key distribution. Our work provides a roadmap for the experimental realizations of highly efficient quantum networks over transcontinental distances.

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Crossref · 10.1038/srep20463

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  • The second generation of QRs employs HEG to reduce deterioration induced by losses and quantum error correction to correct gate errors.

    “The second generation of QRs (II) employs (i) HEG to reduce the deterioration induced by losses and (ii) quantum error correction (QEC) to correct gate errors [414,415].”

    From Photonic quantum information processing: a review (2019) · cites this paper as [415]

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Research works printed but not linked: 44

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Metadata

Authors
Muralidharan, S., Li, L., Kim, J., Lütkenhaus, N., Lukin, M. D., & Jiang, L.
Venue
Scientific Reports
Publisher
Springer Science and Business Media LLC
Published
2016-02-15
Volume
6
Issue
1
ISSN
2045-2322
DOI
10.1038/srep20463
PMC
PMC4753438
Cited by
440
References
10
Language
en
Licence

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