Information entropy of coding metasurface

Light, Science & Applications
Tie Jun CuiLian Lin Li

Abstract

Because of their exceptional capability to tailor the effective medium parameters, metamaterials have been widely used to control electromagnetic waves, which has led to the observation of many interesting phenomena, for example, negative refraction, invisibility cloaking, and anomalous reflections and transmissions. However, the studies of metamaterials or metasurfaces are mainly limited to their physical features; currently, there is a lack of viewpoints on metamaterials and metasurfaces from the information perspective. Here we propose to measure the information of a coding metasurface using Shannon entropy. We establish an analytical connection between the coding pattern of an arbitrary coding metasurface and its far-field pattern. We introduce geometrical entropy to describe the information of the coding pattern (or coding sequence) and physical entropy to describe the information of the far-field pattern of the metasurface. The coding metasurface is demonstrated to enhance the information in transmitting messages, and the amount of enhanced information can be manipulated by designing the coding pattern with different information entropies. The proposed concepts and entropy control method will be helpful in new information...Continue Reading

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Citations

Feb 3, 2018·Scientific Reports·Lei ChenHao Yang Cui
Aug 19, 2018·Optics Express·Weikang PanJianfeng Dong
Oct 23, 2018·Light, Science & Applications·Pujuan MaRoman E Noskov
Oct 20, 2018·Nature Communications·Lei ZhangTie Jun Cui
Mar 1, 2019·Scientific Reports·Seyed Ehsan HosseininejadEduard Alarcón
Oct 28, 2019·Light, Science & Applications·Xiang WanTie Jun Cui
Nov 28, 2018·Light, Science & Applications·Jun Yan DaiTie Jun Cui
Nov 28, 2018·Advanced Science·Xin Ge ZhangTie Jun Cui
Nov 9, 2019·Light, Science & Applications·Qian MaTie Jun Cui
Dec 16, 2020·Light, Science & Applications·Haotian WuTie Jun Cui
Mar 18, 2021·Optics Express·Ming KangJensen Li
Aug 11, 2020·IScience·Tie Jun CuiQiang Cheng
May 1, 2021·Sensors·Hamidreza TaghvaeeAlbert Cabellos-Aparicio
Aug 14, 2021·Research : a Science Partner Journal·Lei Zhang, Tie Jun Cui
Jun 6, 2017·ACS Applied Materials & Interfaces·Shuo LiuTie Jun Cui

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