Simultaneous IM/DD Data Transmission and High-Rate Secret Key Distribution over a Single C-band Channel

Michal Jachura, Jakub Szlachetka, Mateusz Kucharczyk +4

We demonstrate hierarchical multiscale PAM-4 transmission combining 500 Mbps data transfer with optical-layer cryptographic key distribution at rates 24.14 Mbps and 8.38 Mbps secur…