Broadband High-Efficiency Electromagnetic Orbital Angular Momentum Beam Generation Based on a Dielectric Metasurface

doi:10.1109/JPHOT.2020.2991114

	Broadband High-Efficiency Electromagnetic Orbital Angular Momentum Beam Generation Based on a Dielectric Metasurface
	Zhansong Lin1,2,3 ; Zhongling Ba1,2,3 ; Xiong Wang1,4
	2020-06-01
发表期刊	IEEE PHOTONICS JOURNAL (IF:2.1[JCR-2023],2.1[5-Year])
ISSN	1943-0647
卷号	12 期号:3
发表状态	已发表
DOI	10.1109/JPHOT.2020.2991114
摘要	Electromagnetic waves carrying orbital angular momentum (OAM) have motivated a wealth of applications. Achromatic or broadband OAM beams are preferred in many applications and have been extensively explored in previous research endeavors. In view of the low efficiency of the previous reported broadband OAM generators, this work proposes a metasurface composed of high-refractive-index dielectric resonators to achieve broadband OAM beam generation with high efficiency. An efficient method for designing the resonators is presented, which indicates that proper adjustment of the dimensions and rotation of the dielectric resonators can render broadband and high-efficiency full phase control. A broadband high-efficiency OAM generator is engineered based on the resonators from 18 to 28 GHz as a proof-of-concept example and validated by both simulation and experiments. Above 70% polarization conversion efficiency and above 65% operation efficiency are measured throughout the entire design band. Such structure provides an alternative mechanism for realizing broadband high-efficiency microwave, millimeter-wave, terahertz or optical OAM generation and can find potential applications in high-capacity communications and imaging.
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收录类别	SCI ; SCIE ; EI
来源库	IEEE
引用统计	正在获取...
文献类型	期刊论文
条目标识符	https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/121565
专题	信息科学与技术学院信息科学与技术学院_PI研究组_王雄组信息科学与技术学院_硕士生
作者单位	1.School of Information Science and Technology, ShanghaiTech University, Shanghai, China 2.Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China 3.University of Chinese Academy of Sciences, Beijing, China 4.Shanghai Engineering Research Center of Intelligent Vision and Imaging, Shanghai, China
第一作者单位	信息科学与技术学院
第一作者的第一单位	信息科学与技术学院
推荐引用方式 GB/T 7714	Zhansong Lin,Zhongling Ba,Xiong Wang. Broadband High-Efficiency Electromagnetic Orbital Angular Momentum Beam Generation Based on a Dielectric Metasurface[J]. IEEE PHOTONICS JOURNAL,2020,12(3).
APA	Zhansong Lin,Zhongling Ba,&Xiong Wang.(2020).Broadband High-Efficiency Electromagnetic Orbital Angular Momentum Beam Generation Based on a Dielectric Metasurface.IEEE PHOTONICS JOURNAL,12(3).
MLA	Zhansong Lin,et al."Broadband High-Efficiency Electromagnetic Orbital Angular Momentum Beam Generation Based on a Dielectric Metasurface".IEEE PHOTONICS JOURNAL 12.3(2020).