Orthogonal‐Based Reconfigurable Light‐Controlled Metasurface for Multichannel Amplitude‐Modulation Communication

光刻胶 极化(电化学) 调幅 调制(音乐) 光学 光通信 振幅 物理 计算机科学 光电子学 电子工程 频率调制 无线电频率 电信 声学 工程类 化学 物理化学
作者
Yuxi Li,Ruichao Zhu,Sai Sui,Yajuan Han,Chang Ding,Yuxiang Jia,Shaojie Wang,Cunqian Feng,Shaobo Qu,Jiafu Wang
出处
期刊:Laser & Photonics Reviews [Wiley]
被引量:1
标识
DOI:10.1002/lpor.202401470
摘要

Abstract Optical‐control reconfigurable metasurfaces can avoid crosstalk between microwave signal and direct current (DC) signal caused by physical wire connection, which paves a paradigm for dynamically and remotely controlling electromagnetic (EM) wave. However, the traditional light‐controlled reconfigurable metasurfaces mainly focus on the modulation of single polarized EM wave, which is difficult to adapt to the modulation of various signals in communication. In this work, a photoresistor is fully embedded into the meta‐atom as an active device, and a light‐controlled reconfigurable metasurface (LCRM) with multi‐polarization amplitude modulations is proposed. The designed metasurface controls the luminous intensity of light emitting diode (LED) array through computer, and then adjusts the photoresistor value, which can achieve amplitude modulations. In order to verify the feasibility and effectiveness of the proposed framework, the metasurface is simulated, fabricated, and measured, and the measurement results are basically consistent with the theoretical simulation results. Based on the EM characteristics of the designed metasurface, linear polarized (LP) wave synthesis and information transmission are carried out to demonstrate the design. This work designs an amplitude modulation metasurface under orthogonal‐polarization wave incidence to expand the LCRM application, which has broad development prospects in many fields such as information transmission, communication systems, and holographic imaging.
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