3 papers
physics.optics2025
Chiral Valley Edge States
Jian-Wei Liu, Gui-Geng Liu, Bo Zhang +7
Valleytronics has emerged as a promising paradigm, enabling comprehensive control of the valley degree of freedom (DoF) for energy-efficient and high-speed information processing.…
physics.optics2024
Topological temporal boundary states in a non-Hermitian spatial crystal
Mingwei Li, Jianwei Liu, Xulong Wang +3
Periodic modulation of the material index in time opens momentum gaps. Such systems are regarded as the temporal analogue of common spatial crystals, wherein the bandgaps open in t…
physics.optics2024
Experimental probe of band structures of bilayer valley photonic crystals
Xiang-Fei Guo, Jian-Wei Liu, Hong-Xiang Chen +3
Research on two-dimensional van der Waals materials has demonstrated that the layer degree of freedom can significantly alter the physical properties of materials due to the substa…