Directional Excitation of Multi-Dimensional Coupled Topological Photonic States Based on Higher-Order Chiral Source

Directional Excitation of Multi-Dimensional Coupled Topological Photonic States Based on Higher-Order Chiral Source

The topological phase of matter brings extra inspiration for efficient light manipulation. Here, we propose two-parameter tunable topological transitions based on distorted Kagome photonic crystals. By selecting specific splicing boundaries, we successfully visualize several diverse types of robust...

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Bibliographic Details
Main Authors: Jiangle He, Yaxuan Li, Yangyang Fan, Xinwen Zhao, Lin Ding, Xueqi Yuan, Beijia Ji, Junzheng Hu, Lifu Liu, Guangxu Su, Peng Zhan, Fanxin Liu
Format: Article
Language:English
Published: MDPI AG 2025-05-01
Series:Photonics
Subjects:
multi-dimensional topological states
higher-order topological insulators
distorted photonic crystals
directional excitation
orbital angular momentum
Online Access:https://www.mdpi.com/2304-6732/12/5/488
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