Fig. 5
From: Realistic vulnerabilities of decoy-state quantum key distribution

(a) Eve’s PPNR USD measurement setup. (b) Eve’s emitter: SPS, single photon source; IM, intensity modulator, PM, polarization modulator.
From: Realistic vulnerabilities of decoy-state quantum key distribution

(a) Eve’s PPNR USD measurement setup. (b) Eve’s emitter: SPS, single photon source; IM, intensity modulator, PM, polarization modulator.