基于里德堡原子的无线电技术

付云起; 林沂; 武博; 安强; 刘燚

doi:10.12265/j.cjors.2021051

基于里德堡原子的无线电技术

doi: 10.12265/j.cjors.2021051

国防科技大学电子科学学院, 长沙 410073

基金项目: 国家自然科学基金(61901495, 61601478)；国防科技大学科研计划(ZK19-20,ZK20-13)

详细信息

作者简介:
付云起：(1975—)，男，天津人，国防科技大学电子科学学院教授，研究方向为频率选择表面、新型天线技术、光学超表面、量子微波测量

林沂：(1990—)，男，福建人，国防科技大学电子科学学院讲师，研究方向为原子传感器、阵列信号处理、新体制雷达技术

武博：(1996—)，男，河北人，国防科技大学电子科学学院硕士研究生，研究方向为微波谐振器、光学超表面

安强：（1986—），男，山东人，国防科技大学电子科学学院工程师，研究方向为激光调制与器件集成技术、光与物质相互作用

刘燚：(1989—)，男，贵州人，国防科技大学电子科学学院副教授，博士，研究方向为新型天线技术、原子无线电技术

通讯作者:
林沂 E-mail：linyi_886@163.com

中图分类号: TB973
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出版历程
- 收稿日期: 2021-03-05
- 网络出版日期: 2021-10-19

The radio technology based on Rydberg atom

College of Electronic Science, National University of Defense Technology, Changsha 410073, China

摘要

摘要: 里德堡原子是一种处于高能态的原子，拥有较大的跃迁偶极矩. 利用原子的电磁感应透明和Autler-Townes分裂效应可实现微波频段电磁场的测量和接收. 近年来，基于里德堡原子的无线电技术在通信、雷达等电子信息技术领域崭露头角，基于里德堡原子的无线电接收机实现了对调幅信号、调频信号的解调；同时，具备对脉冲信号及微波场相位信息的测量能力. 文中主要综述基于里德堡原子的无线电技术研究，详细介绍了里德堡原子接收机的基本原理与研究进展，并简单讨论了其未来发展方向.
- 里德堡原子 /
- 原子传感器 /
- 原子无线电 /
- 电磁诱导透明 /
- Autler Townes（AT）分裂
Abstract: Rydberg atom is an atom in a high-energy state with a large leap dipole moment. Measurement and reception of electromagnetic fields in the microwave band can be achieved by using the electromagnetic induction transparency and the Autler-Townes splitting effect. In recent years, Rydberg atom-based radio technology has emerged in the field of communications, radar and other electronic information systems. Atomic receiver can demodulate amplitude modulated signals and FM signals, and it also has the ability to measure pulse signal and phase information. This paper mainly reviews the research of radio technology based on Rydberg atom, introduces the basic principle and research progress of atomic receivers in detail, and briefly discusses its future development.
- Rydberg atom /
- atomic sensors /
- atomic radio /
- electromagnetic induced transparency /
- Autler Townes(AT) splitting

HTML全文

图 1 基于里德堡原子的AM/FM接收机及测试结果^[37]

Fig. 1 A Rydberg atom-based communication receiver for AM and FM radio ^[37]

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图 2 AM/FM调制信号的检测方案^[38]

Fig. 2 Detection scheme for an AM/FM modulated signal^[38]

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图 3 接收的FM和AM调制信号的人声样本的音频波形^[37]

Fig. 3 Audio waveforms of human vocals recorded from received FM and AM modulated signal^[37]

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图 4 基于里德堡原子的AM/FM多频段接收机^[39]

Fig. 4 A Rydberg atom-based multi-band communication receiver for AM/FM radio^[39]

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图 5 原子混频器系统框图^[32]

Fig. 5 Diagram of Rydberg atom-based mixer^[32]

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图 6 星座图测试结果^[48]

Fig. 6 Constellation measurement results^[48]

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图 7 原子传感器探头^[49]

Fig. 7 Atomic sensor head ^[49]

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图 8 里德堡场测量系统^[30]

Fig. 8 Rydberg field measurement system^[30]

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图 9 时域波形成像结果^[30]

Fig. 9 Time-domain imaging results^[30]

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图 10 耦合光脉冲作用时的EIT谱^[31]

Fig. 10 EIT spectrum with coupler laser pulse ^[31]

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表 1 原子通信接收机与经典通信接收机的性能对比

Tab. 1 Performance comparison of atomic communication receivers and classical communication receivers

通信接收机类型		工作带宽	瞬时带宽	调制方式
原子通信接收机	基于里德堡原子的AM/FM接收机	DC～THz	数十 MHz	AM/FM
原子通信接收机	基于原子混频器的测相接收机	DC～THz	亚MHz	PSK/QAM
经典通信接收机		MHz～数十GHz （多通道、多天线）	kHz~GHz	AM/FM/ PSK/QAM等

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