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Quantum secure direct communication of continuous-time signals using Whittaker Nyquist Shannon theorem

Quantum secure direct communication of continuous-time signals using Whittaker Nyquist Shannon theorem

来源:Arxiv_logoArxiv
英文摘要

In the present work, we provide a new quantum secure direct communication protocol and its experimental implementation. The proposed protocol can be used to transfer, in a secure way, continuous signals, like audio signal, from Alice to Bob. The security is guaranteed by the quantum nature of optical signals and the Whittaker-Nyquist-Shannon theorem. Furthermore, it can be easily implemented with common optical devices that are commercially available.

V. F. Guedes、S. T. de Oliveira、G. L. de Oliveira、J. B. R. Silva、R. V. Ramos

光电子技术通信

V. F. Guedes,S. T. de Oliveira,G. L. de Oliveira,J. B. R. Silva,R. V. Ramos.Quantum secure direct communication of continuous-time signals using Whittaker Nyquist Shannon theorem[EB/OL].(2025-06-20)[2025-07-16].https://arxiv.org/abs/2506.17377.点此复制

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