角动量
光通信
多路复用
轨道角动量复用
通信系统
自由空间光通信
物理
计算机科学
量子信息科学
电信
光束
总角动量
电子工程
光学
光的轨道角动量
量子
工程类
量子纠缠
量子力学
作者
Alan E. Willner,Kai Pang,Hao Song,Kaiheng Zou,Huibin Zhou
出处
期刊:Applied physics reviews
[American Institute of Physics]
日期:2021-10-27
卷期号:8 (4)
被引量:191
摘要
Structured light, especially beams carrying orbital angular momentum (OAM), has gained much interest due to its unique amplitude and phase structures. In terms of communication systems, multiple orthogonal OAM beams can be potentially utilized for increasing link capacity in different scenarios. This review describes challenges, advances, and perspectives on different aspects of the OAM-based optical communications, including (a) OAM generation/detection and (de)multiplexing, (b) classical free-space optical communication links, (c) fiber-based communication links, (d) quantum communication links, (e) OAM-based communications in different frequency ranges, (f) OAM-based communications using integrated devices, and (g) novel structured beams for communications.
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