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Ultrafast and Fault-Tolerant Quantum Communication across Long Distances

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arxiv 1310.5291 v2 pith:7V4QKYTT submitted 2013-10-20 quant-ph

classification quant-ph
keywords quantumcommunicationdistancelongacrossapproachentangledremote
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Quantum repeaters (QRs) provide a way of enabling long distance quantum communication by establishing entangled qubits between remote locations. We investigate a new approach to QRs in which quantum information can be faithfully transmitted via a noisy channel without the use of long distance teleportation, thus eliminating the need to establish remote entangled links. Our approach makes use of small encoding blocks to fault-tolerantly correct both operational and photon loss errors. We describe a way to optimize the resource requirement for these QRs with the aim of the generation of a secure key. Numerical calculations indicate that the number of quantum memory bits required for our scheme has favorable poly-logarithmic scaling with the distance across which the communication is desired.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The Quantum Internet (Technical Version)

    quant-ph 2025-01 unverdicted novelty 4.0 of 10

    The paper presents a broad vision of a future global quantum internet, with original conceptual proposals like QTCP and quantum sneakernet, while explicitly acknowledging that much of its content is review.

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