100 km differential phase shift quantum key distribution experiment with low jitter up-conversion detectors
作者： Eleni Diamanti , Hiroki Takesue , Carsten Langrock , M. M. Fejer , Yoshihisa Yamamoto
DOI: 10.1364/OE.14.013073
关键词:
摘要: We present a quantum key distribution experiment in which keys that were secure against all individual eavesdropping attacks allowed by mechanics distributed over 100 km of optical fiber. implemented the differential phase shift protocol and used low timing jitter 1.55 µm single-photon detectors based on frequency up-conversion periodically poled lithium niobate waveguides silicon avalanche photodiodes. Based security analysis general attacks, we generated at practical rate 166 bit/s The use also increased sifted generation to 2 Mbit/s 10
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