Designs of metareflectors based on nanodisk and annular hole arrays with polarization independence, switching, and broad bandwidth characteristics

• Published in: Optical materials express Vol. 11; no. 10; p. 3577
• Main Authors: Xu, Xiaocan, Lin, Yu-Sheng, Fang, Rongpeng, Yang, Bo-Ru
• Format: Journal Article
• Language: English
• Published: Washington Optical Society of America 01.10.2021
• Subjects: Active mirrors; Aluminum; Augmented reality; Nanostructure; Optical communication; Resonance; Silicon substrates; Switches; Switching; Tuning; Virtual reality

We propose two tunable metareflectors (MRs) composed of a suspending nanodisk and an annular hole on silicon (Si) substrate with aluminum (Al) mirrors atop. They are denoted as MR-1 and MR-2 for the former and latter, respectively. The proposed MRs exhibit high-efficient cyan-magenta-yellow (CMY) co...