Simultaneous IM/DD Data Transmission and High-Rate Secret Key Distribution over a Single C-band Channel
Abstract
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 secure against passive eavesdropper advantage 0 dB and 6 dB respectively.
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