59 citations · 94 across the 8 of their papers we have counts for
8 papers
Simple realization of a fragile topological lattice with quasi flat-bands in a microcavity array
Yuhui Wang, Shupeng Xu, Liang Feng +1
Topological flat bands (TFBs) are increasingly recognized as an important paradigm to study topological effects in the context of strong correlation physics. As a representative ex…
Opto-twistronic Hall effect in a three-dimensional spiral lattice
Zhurun Ji, Yuzhou Zhao, Yicong Chen +7
Studies of moire systems have elucidated the exquisite effect of quantum geometry on the electronic bands and their properties, leading to the discovery of new correlated phases. H…
Absence of topological protection of the interface states in photonic crystals
Shupeng Xu, Yuhui Wang, Ritesh Agarwal
Inspired from electronic systems, topological photonics aims to engineer new optical devices with robust properties. In many cases, the ideas from topological phases protected by i…
A SBP-SAT FDTD Subgridding Method Using Staggered Yee's Grids Without Modifying Field Components
Yuhui Wang, Yu Cheng, Xiang-Hua Wang +2
A summation-by-parts simultaneous approximation term (SBP-SAT) finite-difference time-domain (FDTD) subgridding method is proposed to model geometrically fine structures in this pa…
A Stable FDTD Subgridding Scheme with SBP-SAT for Transient Electromagnetic Analysis
Yu Cheng, Yuhui Wang, Hanhong Liu +5
We proposed a provably stable FDTD subgridding method for accurate and efficient transient electromagnetic analysis. In the proposed method, several field components are properly a…
Z_2 Photonic topological insulators in the visible wavelength range for robust nanoscale photonics
Wenjing Liu, Minsoo Hwang, Zhurun Ji +3
Topological photonics provides an ideal platform for demonstrating novel band topology concepts, which are also promising for robust waveguiding, communication and computation appl…