High-speed quantum radio-frequency-over-light communication

Quantum dense coding (QDC) means to transmit two classical bits by only transferring one quantum bit, which has enabled high-capacity information transmission and strengthened system security. Continuousvariable QDC offers a promising solution to increase communication rates while achieving seamless...

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Published in:arXiv.org 2024-04
Main Authors: Liang, Shaocong, Cheng, Jialin, Qin, Jiliang, Li, Jiatong, Shi, Yi, Yan, Zhihui, Jia, Xiaojun, Xie, Changde, Peng, Kunchi
Format: Article
Language:English
Subjects:
Communication networks
Communications systems
Entangled states
High speed
Optical communication
Quantum entanglement
Qubits (quantum computing)
Radio frequency
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creator Liang, Shaocong
Cheng, Jialin
Qin, Jiliang
Li, Jiatong
Shi, Yi
Yan, Zhihui
Jia, Xiaojun
Xie, Changde
Peng, Kunchi
description Quantum dense coding (QDC) means to transmit two classical bits by only transferring one quantum bit, which has enabled high-capacity information transmission and strengthened system security. Continuousvariable QDC offers a promising solution to increase communication rates while achieving seamless integration with classical communication systems. Here, we propose and experimentally demonstrate a high-speed quantum radio-frequency-over-light (RFoL) communication scheme based on QDC with entangled state, and achieve a practical rate of 20 Mbps through digital modulation and RFoL communication. This scheme bridges the gap between quantum technology and real-world communication systems, which bring QDC closer to practical applications and offer prospects for further enhancement of metropolitan communication networks.
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subjects Communication networks
Communications systems
Entangled states
High speed
Optical communication
Quantum entanglement
Qubits (quantum computing)
Radio frequency
title High-speed quantum radio-frequency-over-light communication
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