Multi-function terahertz wave manipulation utilizing Fourier convolution operation metasurface

doi:10.1088/1674-1056/ac46c0

中国物理B ›› 2022, Vol. 31 ›› Issue (5): 54207-054207.doi: 10.1088/1674-1056/ac46c0

Multi-function terahertz wave manipulation utilizing Fourier convolution operation metasurface

Min Zhong(仲敏) and Jiu-Sheng Li(李九生)

Center for THz Research, China Jiliang University, Hangzhou 310018, China

收稿日期:2021-10-25 修回日期:2021-12-11 出版日期:2022-05-14 发布日期:2022-04-27
通讯作者: Jiu-Sheng Li,E-mail:lijsh2008@126.com E-mail:lijsh2008@126.com
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos.61871355 and 61831012),the Talent Project of Zhejiang Provincial Department of Science and Technology (Grant No.2018R52043),and the Research Funds for Universities of Zhejiang Province,China (Grant Nos.2020YW20 and 2021YW86).

Multi-function terahertz wave manipulation utilizing Fourier convolution operation metasurface

Min Zhong(仲敏) and Jiu-Sheng Li(李九生)^†

Center for THz Research, China Jiliang University, Hangzhou 310018, China

Received:2021-10-25 Revised:2021-12-11 Online:2022-05-14 Published:2022-04-27
Contact: Jiu-Sheng Li,E-mail:lijsh2008@126.com E-mail:lijsh2008@126.com
About author:2021-12-29
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos.61871355 and 61831012),the Talent Project of Zhejiang Provincial Department of Science and Technology (Grant No.2018R52043),and the Research Funds for Universities of Zhejiang Province,China (Grant Nos.2020YW20 and 2021YW86).

摘要/Abstract

摘要： We propose a novel metasurface based on a combined pattern of outer C-shaped ring and inner rectangular ring. By Fourier convolution operation to generating different predesigned sequences of metasurfaces, we realize various functionalities to flexible manipulate terahertz waves including vortex terahertz beam splitting, anomalous vortex terahertz wave deflection, vortex terahertz wave splitting and deflection simultaneously. The incident terahertz wave can be flexibly controlled in a single metasurface. The designed metasurface has an extensive application prospect in the field of future terahertz communication and sensing.

关键词: Fourier convolution operation metasurface, terahertz wave, flexible manipulation

Abstract: We propose a novel metasurface based on a combined pattern of outer C-shaped ring and inner rectangular ring. By Fourier convolution operation to generating different predesigned sequences of metasurfaces, we realize various functionalities to flexible manipulate terahertz waves including vortex terahertz beam splitting, anomalous vortex terahertz wave deflection, vortex terahertz wave splitting and deflection simultaneously. The incident terahertz wave can be flexibly controlled in a single metasurface. The designed metasurface has an extensive application prospect in the field of future terahertz communication and sensing.

Key words: Fourier convolution operation metasurface, terahertz wave, flexible manipulation

中图分类号: (Optical angular momentum and its quantum aspects)

42.50.Tx

03.65.Vf (Phases: geometric; dynamic or topological) 07.05.Tp (Computer modeling and simulation)

Min Zhong(仲敏) and Jiu-Sheng Li(李九生). Multi-function terahertz wave manipulation utilizing Fourier convolution operation metasurface[J]. 中国物理B, 2022, 31(5): 54207-054207.

Min Zhong(仲敏) and Jiu-Sheng Li(李九生). Multi-function terahertz wave manipulation utilizing Fourier convolution operation metasurface[J]. Chin. Phys. B, 2022, 31(5): 54207-054207.

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Multi-function terahertz wave manipulation utilizing Fourier convolution operation metasurface

Multi-function terahertz wave manipulation utilizing Fourier convolution operation metasurface

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