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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2506.17377 |
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| _version_ | 1866909654568665088 |
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| author | Guedes, V. F. de Oliveira, S. T. de Oliveira, G. L. Silva, J. B. R. Ramos, R. V. |
| author_facet | Guedes, V. F. de Oliveira, S. T. de Oliveira, G. L. Silva, J. B. R. Ramos, R. V. |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_17377 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Quantum secure direct communication of continuous-time signals using Whittaker Nyquist Shannon theorem Guedes, V. F. de Oliveira, S. T. de Oliveira, G. L. Silva, J. B. R. Ramos, R. V. Quantum Physics 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. |
| title | Quantum secure direct communication of continuous-time signals using Whittaker Nyquist Shannon theorem |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2506.17377 |