Observational analysis reports a 4.7 Mbps secret key rate in quantum key distribution, highlighting advances in silicon photonics.
We report a continuous-variable quantum key distribution system with a silicon photonic modulator and receiver, achieving a 4.7 Mbps secret key rate at 15.5 km through optimized on-chip operating point control and digital signal processing.
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Bian et al. (2025) studied this question.
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