Hwang 2003 / Lo-Ma-Chen 2005: weak-coherent-pulse QKD vulnerable to PNS attack; using decoy intensity-states defeats PNS; foundation of practical decoy-state BB84 over fiber + free-space.
Hwang 2003 / Lo-Ma-Chen 2005: weak-coherent-pulse QKD vulnerable to PNS attack; using decoy intensity-states defeats PNS; foundation of practical decoy-state BB84 over fiber + free-space.