Fundamental Limits of Repeaterless Quantum Communications

arXiv:1510.08863 · quant-ph · Submitted 2015-10-29 · Read on arXiv

quant-ph

Submitted: 2015-10-29

Updated: 2026-10-17

Comments: REVTeX. Main Text and Methods (20 pages) plus Supplementary Notes (41 pages). Several typos and imprecisions corrected, together with clarifications and other improvements

Journal ref: Nature Communications 8, 15043 (2017)

DOI: 10.1038/ncomms15043

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Entanglement — 2× in this paper · explained in 4 episodes
• Benchmark — 1× in this paper · explained in 2 episodes

Sources

• Quantum cryptography with an ideal local relay
• Assessing the performance of quantum repeaters for all phase-insensitive Gaussian bosonic channels
• Capacities of repeater-assisted quantum communications
• Ultimate Precision of Adaptive Noise Estimation
• Unifying classical and quantum key distillation
• On Weyl-covariant channels
• General bounds for sender-receiver capacities in multipoint quantum communications
• Unconstrained distillation capacities of a pure-loss bosonic broadcast channel
• Secret key capacity of the thermal-loss channel: Improving the lower bound
• General Benchmarks for Quantum Repeaters
• Converse bounds for private communication over quantum channels
• Teleportation stretching for lossy Gaussian channels

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