A fully passive discrete-state CV-QKD protocol with LLO achieves 100 km at 1 GHz repetition rate and 127 kbps secret key rate via convex optimization without channel assumptions.
During the quantum signal transmission, the laser pulses were sent in frame, with each frame containing 107 pulses
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High-Performance Fully Passive Discrete-State Continuous-Variable Quantum Key Distribution With Local Local Oscillator
A fully passive discrete-state CV-QKD protocol with LLO achieves 100 km at 1 GHz repetition rate and 127 kbps secret key rate via convex optimization without channel assumptions.