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连续变量量子隐形传态研究进展

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量子隐形传态是量子信息领域最重要的协议之一.利用量子纠缠作为物理资源,量子隐形传态是跨越各种量子信息任务的重要基础,也是量子科技的重要组成部分,在量子通信、量子计算和量子网络的持续发展中发挥着关键作用.连续变量系统因其拥有无限维的希尔伯特空间,并在实验中具备确定性的独特优势,使量子隐形传态扩展到连续变量领域后得以快速发展,并引起广泛关注.该文总结连续变量量子隐形传态的基本理论及其研究进展,并聚焦于实验方面的实现.从保真度提升、多种量子态输入、通道复用方案 3个方面概述连续变量量子隐形传态的不同发展路径.通过回顾隐形传态的研究历程,进一步探讨其未来的发展前景及所面临的挑战.
Advances on continuous-variable quantum teleportation
Quantum teleportation is one of the most important protocols in the field of quantum information.By utilizing quantum entanglement,quantum teleportation serves as a key element of quantum technologies and a cornerstone across many quantum information tasks.It also plays a key role in the development of quantum communication,quantum computation,and quantum networks.Quantum teleportation with continuous variable systems attracted great attention and grows very fast due to the infinite-dimensional Hilbert space and deterministic in experiment.In this paper,we summarize the basic theory of continuous variable quantum teleportation and its research progress,particularly we focus on its experimental realization.We outline the different development paths of continuous variable quantum teleportation in terms of fidelity improvement,teleportation of different quantum states,and channel multiplexing teleportation schemes.By reviewing the research progress of teleportation,this paper further explores its future prospects and challenges.

continuous variablequantum teleportationquantum informationquantum communication

代恒嘉、王庆伟、孔嘉

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杭州电子科技大学理学院,浙江杭州 310018

杭州电子科技大学全省量子物态与光场调控重点实验室,浙江杭州 310018

连续变量 量子隐形传态 量子信息 量子通信

2024

中国测试
中国测试技术研究院

中国测试

CSTPCD北大核心
影响因子:0.446
ISSN:1674-5124
年,卷(期):2024.50(12)