journal article·2021-09-28

Simultaneous Manipulation of Electric and Magnetic Surface Waves by Topological Hyperbolic Metasurfaces

Yi Liu, Chunmei Ouyang, Peixia Zheng, Jiajun Ma, Quan Xu, Xiaoqiang Su, Yanfeng Li, Zhen Tian, Jianqiang Gu, Liyuan Liu, Jiaguang Han, Weili Zhang

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Abstract

Hyperbolic metasurfaces (HMSs) that possess special dispersion properties have attracted immense attention owing to their capability of manipulating electromagnetic waves in the near field. However, in previous HMSs, electric and magnetic surface waves are excited and manipulated individually. Simultaneous control of electric and magnetic surface waves has not been studied, in particular, in HMSs with multiple energy bands. Here, we propose and demonstrate a 2D electromagnetic HMS that enables the propagation of both electric and magnetic surface waves by different means of terahertz radiation excitation, and there are independent self-collimation frequencies in the orthogonal directions. The experimental observations agree well with numerical simulations. The proposed HMS opens an unprecedented avenue for nondiffracting transmission and near-field focusing and shows exceptional prospects in designing planar photonic devices, hyperlenses, and waveguides.
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Research context

OpenAlex topics: Metamaterials and Metasurfaces Applications · Advanced Antenna and Metasurface Technologies · Antenna Design and Analysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University and the Key Laboratory of Optoelectronics Information and Technology (Ministry of Education), Tianjin 300072, China

Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macao SAR 999078, China

Institute of Solid State Physics, College of Physics and Electronic Science, Shanxi Province Key Laboratory of Microstructure Electromagnetic Functional Materials, Shanxi Datong University, Datong 037009, China

School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States

Funding

China Postdoctoral Science Foundation · National Natural Science Foundation of China · Applied Basic Research Project of Shanxi Province, China · National Key Research and Development Program of China

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