无线光通信系统轨道角动量技术研究进展  

Research Progress of Orbital Angular Momentum in Optical Wireless Communication System

作　　者：谢炎辰 梁静远 丁德强 柯熙政[1] 董可 Xie Yanchen;Liang Jingyuan;Ding Deqiang;Ke Xizheng;Done Ke(Faculty of Automation and Information Engineering,Xi’an University of Technology,Xi’an 710048,Shaanxi,China;Faculty of Information and Communication,National University of Defense Technology,Wuhan 430035,Hubei,China)

机构地区：[1]西安理工大学自动化与信息工程学院,陕西西安710048 [2]国防科技大学信息通信学院,湖北武汉430035

出　　处：《激光与光电子学进展》2023年第21期50-91,共42页Laser & Optoelectronics Progress

基　　金：陕西省重点产业创新项目(2017ZDCXL-GY-06-01);西安市科技创新引导项目(201805030YD8CG14(12))。

摘　　要：无线光通信系统的传输容量已趋于香农极限,而轨道角动量(OAM)这种新的横向空间维度资源的出现,可以成倍提高无线光通信网络容量和频谱效率。采用OAM相关技术可以为未来实现超高速大容量的跨场景光通信提供潜在方案。本文在对比总结了国内外OAM相关研究成果的基础上,介绍了西安理工大学在无线光通信领域中OAM技术的研究工作,主要分为OAM光束的空间产生、传输特性、分离检测、应用等方面。最后,展望了OAM技术在无线光通信领域未来的发展趋势及前景,这为后续研究者们在该领域的探索提供了新的思路和参考价值。The transmission capacity of optical wireless communication systems has approached the Shannon limit,and the emergence of orbital angular momentum(OAM),as a lateral new space dimension resource,can exponentially improve the capacity and spectral efficiency of optical wireless communication networks.Adopting technologies of OAM-related can provide a potential solution for the realization of ultra-high speed and high capacity cross-scene optical communication in the future.On the basis of comparing and summarizing the relevant research results of OAM at domestic and overseas,this paper introduces the research work of OAM technology in the field of optical wireless communication in Xi'an University of Technology,which is mainly divided into the space generation,propagation characteristics,separation detection and application of OAM beams.Finally,the future development trend and prospect of OAM technology in the field of optical wireless communication are foreseen,which provides new thoughts and reference values for the subsequent researchers to explore in this field.

关 键 词：无线光通信 轨道角动量 光束产生 传输特性 分离检测 

分 类 号：TN929.12[电子电信—通信与信息系统]