Nano-optical engineering of anisotropic phonon resonances in a hyperbolic α-MoO₃ metamaterial

• Main Authors: Ye, Ming, Qiang, Bo, Zhu, Song, Dai, Mingjin, Wang, Fakun, Luo, Yu, Wang, Qian, Wang, Qi Jie
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2022
• Subjects: Engineering::Electrical and electronic engineering; Far-Field Excitation; Hyperbolic Phonon Polaritons
• Online Access: https://hdl.handle.net/10356/163123
• Institution: Nanyang Technological University

Low-dimensional α-phase molybdenum trioxide (α-MoO3), a layered van-der-Waals (vdW) semiconductor, has emerged as an attractive natural hyperbolic material supporting mid-infrared hyperbolic phonon polaritons (PhPs), which exhibit strong spatial confinement and low loss. With the advantages of stron...