3 papers
physics.app-ph2023
A topological gap waveguide based on unidirectional locking of pseudo-spins
Yan Ren, Hai Lin, Rui Zhou +3
Photonic topological insulators (PTIs) have been widely studied due to the robustness of energy transport via supported edge modes immune to structural disorder. In this work, a to…
physics.app-ph2023
Extremely asymmetric absorption and reflection near the exceptional point of three-dimensional metamaterial
Yanjie Wu, Ding Zhang, Qiuyu Li +7
In recent years, particular physical phenomena enabled by non-Hermitian metamaterial systems have attracted significant research interests. In this paper, a non-Hermitian three-dim…
physics.optics2023
Coherent perfect absorber and laser induced by directional emissions in the non-Hermitian photonic crystals
Zhifeng Li, Hai Lin, Rongxin Tang +5
In this study, we propose the application of non-Hermitian photonic crystals (PCs) with anisotropic emissions. Unlike a ring of exceptional points (EPs) in isotropic non-Hermitian…