Topological transition of Pancharatnam–Berry phase in a nonlocal twisted bilayer metasurface

Abstract The Pancharatnam-Berry (PB) phase principle has been extensively utilized in the design of polarization-dependent, ultrathin, phase-gradient metasurfaces, where the PB phase shift is determined by twice the change in orientation angle of individual building blocks. Here, we reveal a topolog...

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Bibliographic Details
Main Authors: Yongqing Huang, Yachao Liu, Mingwei Wang, Xiandi Chen, Haoliang Han, Aofei Yu, Guo Ping Wang
Format: Article
Language:English
Published: Nature Portfolio 2025-04-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-025-95539-0
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