196 citations · 196 across the 1 of their papers we have counts for
12 papers
Higher-order topological phases in tunable -symmetric photonic crystals
Hai-Xiao Wang, Li Liang, Bin Jiang +3
We demonstrate that multiple higher-order topological transitions can be triggered via the continuous change of the geometry in kagome photonic crystals composed of three dielectri…
Higher-Order Weyl Semimetals
Hai-Xiao Wang, Zhi-Kang Lin, Bin Jiang +2
Higher-order topology yields intriguing multidimensional topological phenomena, while Weyl semimetals have unconventional properties such as chiral anomaly. However, so far, Weyl p…
Higher-order topological spin Hall effect of sound
Zhi-Kang Lin, Shi-Qiao Wu, Hai-Xiao Wang +1
We propose theoretically a reconfigurable two-dimensional (2D) hexagonal sonic crystal with higher-order topology protected by the six-fold, , rotation symmetry. The acoustic…
Corner states and topological transitions in two-dimensional higher-order topological sonic crystals with inversion symmetry
Zhan Xiong, Zhi-Kang Lin, Hai-Xiao Wang +4
Macroscopic two-dimensional sonic crystals with inversion symmetry are studied to reveal higher-order topological physics in classical wave systems. By tuning a single geometry par…
Photonic Chern insulators made of gyromagnetic hyperbolic metamaterials
Ruei-Cheng Shiu, Hsun-Chi Chan, Hai-Xiao Wang +1
Controlling light propagation using artificial photonic crystals and electromagnetic metamaterials is an important topic in the vibrant field of photonics. Notably, chiral edge sta…
Anomalous Quadrupole Topological Insulators in 2D Nonsymmorphic Sonic Crystals
Zhi-Kang Lin, Hai-Xiao Wang, Zhan Xiong +2
The discovery of quadrupole topology opens a new horizon in the study of topological phenomena. However, the existing experimental realizations of quadrupole topological insulators…