Practical quantum key distribution over 60 hours at an optical fiber distance of 20km using weak and vacuum decoy pulses for enhanced security

Details Practical quantum key distribution over 60 hours at an optical fiber distance of 20km using weak and vacuum decoy pulses for enhanced security Practical quantum key distribution over 60 hours at an optical fiber distance of 20km using weak and vacuum decoy pulses for enhanced security

2007-06-19

arxiv.org/abs/0706.2792v2

Optics Express, Vol. 15, Issue 13, pp. 8465-8471 (2007)

Physics

Quantum Physics

Accepted for publication in Optics Express

Scientific paper

10.1364/OE.15.008465

Experimental one-way decoy pulse quantum key distribution running
continuously for 60 hours is demonstrated over a fiber distance of 20km. We
employ a decoy protocol which involves one weak decoy pulse and a vacuum pulse.
The obtained secret key rate is on average over 10kbps. This is the highest
rate reported using this decoy protocol over this fiber distance and duration.

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