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quant-ph2008★ 281 cited
Gigahertz decoy quantum key distribution with 1 Mbit/s secure key rate
A. R. Dixon, Z. L. Yuan, J. F. Dynes +2
We report the first gigahertz clocked decoy-protocol quantum key distribution (QKD). Record key rates have been achieved thanks to the use of self-differencing InGaAs avalanche pho…
quant-ph2005★ 19 cited
Comment on 'Secure Communication using mesoscopic coherent states', Barbosa et al, Phys Rev Lett 90, 227901 (2003)
Z. L. Yuan, A. J. Shields
In a recent letter, Barbosa et al [PRL 90, 227901(2003)] claim that secure communication is possible with bright coherent pulses, by using quantum noise to hide the data from an ea…