2 papers
physics.optics2026
Geometric Engineering of Flat Bands in a Single-layer Photonic Graphene
Dun Wang, Shupeng Xu, Jia-chen Shi +2
Photonic flat bands offer significant potential for strong light-matter interactions, nonlinear optics, and sensing thanks to their localization of light and high density of states…
physics.optics2025
General Framework for Twisted Bilayer Photonic Crystal with Interlayer Coupling and Far-Field Response
Shupeng Xu, Dun Wang, Ritesh Agarwal
We develop a general theory for twisted bilayer photonic crystals that takes into account both far-field response and near-field coupling. The theory is based on the framework of a…