3 papers
physics.optics2020
Topological Photonic Crystal of Large Valley Chern Numbers
Xiang Xi, Kang-Ping Ye, Rui-Xin Wu
The recent realizations of topological valley phase in photonic crystal, an analog of gapped valleytronic materials in electronic system, are limited to the valley Chern number of…
physics.app-ph2019
Making the guided wave propagate unidirectional in periodic dielectric waveguide
Qingbo Li, Hui Ma, Rui-Xin Wu
Unidirectional waves are the waves propagating only in one direction and prohibited in opposite direction. This kind of waves can be surface waves realized by topological edge stat…
physics.optics2018
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…