期刊
PHYSICAL REVIEW LETTERS
卷 121, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.121.190502
关键词
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资金
- COST (European Cooperation in Science and Technology) Action [MP1403]
- Swiss State Secretariat for Education, Research and Innovation
- European Union
- EUs H2020 program under the Marie Sklodowska-Curie Project [GA 675662]
We present a quantum key distribution system with a 2.5 GHz repetition rate using a three-state time-bin protocol combined with a one-decoy approach. Taking advantage of superconducting single-photon detectors optimized for quantum key distribution and ultralow-loss fiber, we can distribute secret keys at a maximum distance of 421 km and obtain secret key rates of 6.5 bps over 405 km.
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