中文版 | English
Title

All-Silicon Diatomic Terahertz Metasurface with Tailorable Linear Polarization States

Author
Corresponding AuthorShi,Wei; Zhang,Yan; Zhang,Yating; Yao,Jianquan
Publication Years
2022
DOI
Source Title
ISSN
2195-1071
EISSN
2195-1071
Abstract
Polarization plays a key role in fundamental science, and the improvement in miniaturization and practicability of polarization conversion devices could provide more degrees of freedom for light–matter interactions. Metasurfaces that can manipulate arbitrary polarization states at subwavelength scales can significantly reduce the complexity of meta-optical systems. Here, a general design of an all-silicon diatomic metasurface operating in the terahertz band that can generate a tailorable linear polarization state by the superposition of two meta-atoms with individual geometric parameters is experimentally demonstrated. By periodically arranging polarization-converting and polarization-maintaining meta-atoms, the existence of interference effects enables the proposed diatomic meta-platform to act as an optimal linear polarization operator. The gradient arrangement of the meta-molecules under the profile of the propagation phase is deduced by using the advanced Jones matrix, so that the polarization filtering and wavefront manipulation can be realized simultaneously, including the generation of tightly converged vortex and bifocal focusing beams. This demonstration of generating tailorable linear polarization states located on the Poincaré sphere directly from arbitrarily polarized waves can significantly facilitate the development of functional polarization meta-devices.
Keywords
URL[Source Record]
Indexed By
Language
English
SUSTech Authorship
Corresponding
Funding Project
National Key Research and Development Program of China["2021YFB2800703","2017YFA0700202"] ; National Natural Science Foundation of China["61675147","61975146","62075159","62105240","91838301"] ; Basic Research Program of Shenzhen[JCYJ20170412154447469]
WOS Research Area
Materials Science ; Optics
WOS Subject
Materials Science, Multidisciplinary ; Optics
WOS Accession No
WOS:000884270200001
Publisher
Scopus EID
2-s2.0-85142237926
Data Source
Scopus
Citation statistics
Cited Times [WOS]:1
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/412586
DepartmentDepartment of Electrical and Electronic Engineering
Affiliation
1.Key Laboratory of Opto-Electronics Information Technology (Tianjin University),Ministry of Education,School of Precision Instruments and Opto-Electronics Engineering,Tianjin University,Tianjin,No. 92 WeiJin Road,300072,China
2.Beijing Key Laboratory for Metamaterials and Devices,Key Laboratory of Terahertz Optoelectronics,Ministry of Education,and Beijing Advanced Innovation Center for Imaging Technology,Department of Physics,Capital Normal University,Beijing,100048,China
3.Information Materials and Device Applications Key Laboratory of Sichuan Province,Chengdu University of Information Technology,Chengdu,610225,China
4.Department of Electrical and Electronic Engineering,South University of Science and Technology of China,Shenzhen,518055,China
Corresponding Author AffilicationDepartment of Electrical and Electronic Engineering
Recommended Citation
GB/T 7714
Li,Hui,Xu,Hang,Zheng,Chenglong,et al. All-Silicon Diatomic Terahertz Metasurface with Tailorable Linear Polarization States[J]. Advanced Optical Materials,2022.
APA
Li,Hui.,Xu,Hang.,Zheng,Chenglong.,Liu,Jingyu.,Li,Jie.,...&Yao,Jianquan.(2022).All-Silicon Diatomic Terahertz Metasurface with Tailorable Linear Polarization States.Advanced Optical Materials.
MLA
Li,Hui,et al."All-Silicon Diatomic Terahertz Metasurface with Tailorable Linear Polarization States".Advanced Optical Materials (2022).
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