Ultra-broadband and wide-angle plasmonic light absorber based on all-dielectric gallium arsenide (GaAs) metasurface in visible and near-infrared region

• Published in: Results in physics Vol. 58; p. 107509
• Main Authors: Cai, Bin, Wu, Ling, Zhu, Xinwang, Cheng, Zhengze, Cheng, Yongzhi
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.03.2024; Elsevier
• Subjects: GaAs metasurface; Plasmonic light absorber; Ultra-broadband; Visible light; Ultra-broadband; Visible light; Plasmonic light absorber; GaAs metasurface

•An ultra-broadband and wide-angle plasmonic light absorber (PLA) based on GaAs metasurface at optical frequency is proposed.•The proposed PLA achieves absorbance over 90 % from 0.39 μm to 2.09 μm with a relative bandwidth of 137.1 %, the absorption peak over 99 %, and also a remarkable short-circui...