太赫兹轨道角动量通信关键器件研究进展  

Research Progress on Key Devices for Terahertz Orbital Angular Momentum Communication

作　　者：李楠[1,2] 何通 郑史烈 杨航[1,2] 沈栋辉 张鹿[1,2] 余显斌 LI Nan;HE Tong;ZHENG Shilie;YANG Hang;SHEN Donghui;ZHANG Lu;YU Xianbin(Zhejiang University,Hangzhou 310058,China;Zhejiang Lab,Hangzhou 311121,China)

机构地区：[1]浙江大学,浙江杭州310058 [2]之江实验室,浙江杭州311121

出　　处：《移动通信》2023年第5期14-19,共6页Mobile Communications

基　　金：国家重点研发计划基金资助项(2018YFB2201700);之江实验室科研攻关项目(2020LC0AD01);浙江省自然科学基金(LY23F010006)。

摘　　要：太赫兹波具有丰富的频谱资源优势,兼具方向性强和穿透性好等优点,是6G通信的重要技术之一。OAM作为一个新的复用维度,可极大提升通信容量,因此将太赫兹和OAM技术融合,有望为6G网络注入新的活力。首先介绍了太赫兹波和OAM波束的特点,然后重点讨论了太赫兹OAM通信的关键器件,最后结合不同的太赫兹OAM通信系统的特点,讨论分析了当前太赫兹OAM系统存在的典型问题和潜在解决方式,为未来太赫兹OAM通信技术发展和应用提供参考。Terahertz waves,with the advantage of abundant frequency band resources,strong directionality and good penetration,have become one of the significant technologies for 6G communication.Orbital angular momentum(OAM),as a new multiplexing dimension,can dramatically enhance the system capacity.Therefore,it is expected to inject new vitality inro 6G networks to accelerate the integration of terahertz and OAM beams.To this end,the characteristics of terahertz waves and OAM beams are first introduced,and based on Terahertz OAM beams,the key components of communication systems are introduced subsequently.Finally,the pros and cons of different terahertz OAM communication systems are analyzed,and the typical issues and potential solutions of terahertz OAM links are further discussed,so as to provide technical support for the future terahertz OAM communication technology.

关 键 词：太赫兹通信 电磁涡旋 轨道角动量 

分 类 号：TN929.5[电子电信—通信与信息系统]