597 citations · 3k across the 37 of their papers we have counts for
Showing 2005Show all
2 papers · 1 filter
quant-ph2005★ 21 cited
Time-shift attack in practical quantum cryptosystems
Bing Qi, Chi-Hang Fred Fung, Hoi-Kwong Lo +1
Recently, a new type of attack, which exploits the efficiency mismatch of two single photon detectors (SPD) in a quantum key distribution (QKD) system, has been proposed. In this p…
quant-ph2005★ 98 cited
On the performance of two protocols: SARG04 and BB84
Chi-Hang Fred Fung, Kiyoshi Tamaki, Hoi-Kwong Lo
We compare the performance of BB84 and SARG04, the later of which was proposed by V. Scarani et al., in Phys. Rev. Lett. 92, 057901 (2004). Specifically, in this paper, we investig…