Passive decoy-state quantum key distribution using weak coherent pulses with modulator attenuation<xref ref-type="fn" rid="cpb150628fn1">*</xref>

Passive decoy-state quantum key distribution using weak coherent pulses with modulator attenuation*

Li Yuan^a),^b), Bao Wan-Su^a),^b), Li Hong-Wei^b), Zhou Chun^a),^b), Wang Yang^a),^b)

A perfect PM and an unbalanced attenuator.