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Long-Range Big Quantum-Data Transmission

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2018

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Zwerger, Michael
Pirker, Alexander
Dunjko, Vedran
Dür, Wolfgang

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https://doi.org/10.1103/PhysRevLett.120.030503
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http://arxiv.org/abs/1705.02174v2

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Physical Review Letters. 2018, 120(3), 030503. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.120.030503

Zusammenfassung

We introduce an alternative type of quantum repeater for long-range quantum communication with improved scaling with the distance. We show that by employing hashing, a deterministic entanglement distillation protocol with one-way communication, one obtains a scalable scheme that allows one to reach arbitrary distances, with constant overhead in resources per repeater station, and ultrahigh rates. In practical terms, we show that, also with moderate resources of a few hundred qubits at each repeater station, one can reach intercontinental distances. At the same time, a measurement-based implementation allows one to tolerate high loss but also operational and memory errors of the order of several percent per qubit. This opens the way for long-distance communication of big quantum data.

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ISO 690ZWERGER, Michael, Alexander PIRKER, Vedran DUNJKO, Hans J. BRIEGEL, Wolfgang DÜR, 2018. Long-Range Big Quantum-Data Transmission. In: Physical Review Letters. 2018, 120(3), 030503. ISSN 0031-9007. eISSN 1079-7114. Available under: doi: 10.1103/PhysRevLett.120.030503
BibTex
@article{Zwerger2018-01-19LongR-41323,
  year={2018},
  doi={10.1103/PhysRevLett.120.030503},
  title={Long-Range Big Quantum-Data Transmission},
  number={3},
  volume={120},
  issn={0031-9007},
  journal={Physical Review Letters},
  author={Zwerger, Michael and Pirker, Alexander and Dunjko, Vedran and Briegel, Hans J. and Dür, Wolfgang},
  note={Article Number: 030503}
}
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