期刊
PHYSICAL REVIEW LETTERS
卷 102, 期 18, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.180504
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资金
- European Union under project SECOQC [IST-2002-506813]
- Agence Nationale de la Recherche under projects PROSPIQ [ANR-06-NANO041-05]
- SEQURE [ANR-07-SESU-011-01]
We present a continuous-variable quantum key distribution protocol combining a discrete modulation and reverse reconciliation. This protocol is proven unconditionally secure and allows the distribution of secret keys over long distances, thanks to a reverse reconciliation scheme efficient at very low signal-to-noise ratio.
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