Balanced-ternary-inspired reconfigurable vortex beams using cascaded metasurfaces
Liu, Ji2; Qi, Jurui2; Yao, Jin2; Hu, Wenman2; Zhang, Dajun2; Xu, He-Xiu1; Wang, Xiong2
2022-05-01
发表期刊NANOPHOTONICS
ISSN2192-8606
EISSN2192-8614
发表状态已发表
DOI10.1515/nanoph-2022-0066
摘要Electromagnetic vortex carries the orbital angular momentum, one of the most fundamental properties of waves. The order of such vortex can be unbounded in principle, thus facilitating high-capability wave technologies for optical communications, photonic integrated circuits and others. However, it remains a key challenge to generate the high-order vortex beams in a reconfigurable, broadband and cost-effective manner. Here, inspired by the balanced-ternary concept, we demonstrate the reconfigurable generation of order-controllable vortices via cascaded N-layer metasurfaces. We theoretically showed that 3(N)-1 different vortex modes can be generated by cascading N metasurfaces, each one serving as an individual vortex beam generator for the order of 3(k) (k = 0,1,2 ...,N - 1). As a proof-of-concept demonstration, a reconfigurable generation of 26 different vortex beams, with orders from 1 to 13 and from -1 to -13, is showcased in a broad millimeter-wave region by a cascade of 3 metasurfaces. Our method can be easily extended to vortex beam generator of arbitrary orders in a reconfigurable and easily implementable manner, paving a new avenue towards tremendous practical applications.
关键词balanced ternary system broadband vortex beams cascaded metasurfaces high-order vortex beams reconfigurable generation of vortex beams vortex beams
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收录类别SCI ; EI ; SCIE
语种英语
资助项目National Natural Science Foundation of China[61971287,62171459] ; National Defense Foundation of China[2019-JCJQ-JJ-081] ; Natural Science Foundation of Shaanxi Province[2020JZ-33]
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Optics ; Physics
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Optics ; Physics, Applied
WOS记录号WOS:000776784100001
出版者WALTER DE GRUYTER GMBH
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文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/169236
专题信息科学与技术学院_硕士生
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_本科生
通讯作者Xu, He-Xiu; Wang, Xiong
作者单位1.Air Force Engn Univ, Xian 710051, Peoples R China
2.ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai 201210, Peoples R China
第一作者单位信息科学与技术学院
通讯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
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Liu, Ji,Qi, Jurui,Yao, Jin,et al. Balanced-ternary-inspired reconfigurable vortex beams using cascaded metasurfaces[J]. NANOPHOTONICS,2022.
APA Liu, Ji.,Qi, Jurui.,Yao, Jin.,Hu, Wenman.,Zhang, Dajun.,...&Wang, Xiong.(2022).Balanced-ternary-inspired reconfigurable vortex beams using cascaded metasurfaces.NANOPHOTONICS.
MLA Liu, Ji,et al."Balanced-ternary-inspired reconfigurable vortex beams using cascaded metasurfaces".NANOPHOTONICS (2022).
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