541 citations · 3.9k across the 31 of their papers we have counts for
9 papers · 1 filter
Possible Realization of Optical Quadratic and Dirac Points in Woodpile Photonic Crystals
Hai-Xiao Wang, Yige Chen, Guang-Yu Guo +2
The simulation of fermionic relativistic physics, e.g., Dirac and Weyl physics, has led to the discovery of many unprecedented phenomena in photonics, of which the optical-frequenc…
Ideal type-II Weyl points in twisted one-dimensional dielectric photonic crystals
Ying Chen, Hai-xiao Wang, Qiaoliang Bao +2
Weyl points are the degenerate points in three-dimensional momentum space with nontrivial topological phase, which are usually realized in classical system with structure and symme…
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…
Topological light-trapping on a dislocation
Fei-Fei Li, Hai-Xiao Wang, Zhan Xiong +6
Topology has been revealed to play a fundamental role in physics in the past decades. Topological insulators have unconventional gapless edge states where disorder-induced back-sca…
Topological transitions in continuously-deformed photonic crystals
Xuan Zhu, Hai-Xiao Wang, Changqing Xu +3
We demonstrate that multiple topological transitions can occur, with high-sensitivity, by continuous change of the geometry of a simple 2D dielectric-frame photonic crystal consist…
Type-II Dirac Photons
Hai-Xiao Wang, Yige Chen, Zhi Hong Hang +2
The Dirac equation for relativistic electron waves is the parent model for Weyl and Majorana fermions as well as topological insulators. Simulation of Dirac physics in three-dimens…
Visualization of unidirectional optical waveguide using topological photonic crystals made of dielectric material
Yuting Yang, Yun Fei Xu, Tao Xu +4
The introduction of topology unravels a new chapter of physics. Topological systems provide unique edge/interfacial quantum states which are expected to contribute to the developme…
3D Topological Nodes in Nonsymmorphic Photonic Crystals: Ultrastrong Coupling and Anomalous Refraction
Hai-Xiao Wang, Yige Chen, Zhi Hong Hang +2
We propose to simulate 3D Dirac points and line-nodes with nontrivial topology in nonsymmorphic all-dielectric photonic-crystals with space-time reversal symmetry, which can…
Broadband mode conversion via gradient index metamaterials
HaiXiao Wang, YaDong Xu, Patrice Genevet +2
We propose a design for broadband waveguide mode conversion based on gradient index metamaterials (GIMs). Numerical simulations demonstrate that the zeroth order of transverse magn…