Large-alphabet encoding schemes for floodlight quantum key distribution
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It is shown that FL-QKD's SKR can be doubled by using 32-ary PSK, and this work has shown that binary phase-shift keying of multiple optical modes can achieve Gbps secret-key rates at metropolitan-area distances.Abstract:
Floodlight quantum key distribution (FL-QKD) uses binary phase-shift keying (BPSK) of multiple optical modes to achieve Gbps secret-key rates (SKRs) at metropolitan-area distances. We show that FL-QKD's SKR can be doubled by using 32-ary PSK.read more
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A large-alphabet three-party quantum key distribution protocol based on orbital and spin angular momenta hybrid entanglement
TL;DR: A hybrid entanglement quantum key distribution (QKD) protocol to achieve three-party quantum key Distribution without classical message exchanges is developed and could be extended to a multiple-party QKD protocol.