Fig. 3
From: Creating topological exceptional point by on-chip all-dielectric metasurface

Design of the on-chip topological metasurface for CPLs decoupling. Simulated topological phase distributions for the extracted LCP component φL (a) and RCP component φR (b). c Theoretical distributions of the PB phase. d Schematic diagram of the four designed meta-atoms. e Simulated phases and extraction efficiencies of the four selected meta-atoms for different CPLs. f The design process of the on-chip topological metasurface array to generate predefined holographic phase profiles