Unidirectional transport in amorphous topological photonic crystals

作     者：Yuting Yang Xinyue Qian Liwei Shi Xiaopeng Shen Zhi Hong Hang 

作者机构：School of Materials Science and PhysicsChina University of Mining and TechnologyXuzhou 221116China School of Physical Science and Technology&Collaborative Innovation Center of Suzhou Nano Science and TechnologySoochow UniversitySuzhou 215006China Institute for Advanced StudySoochow UniversitySuzhou 215006China 

出 版 物：《中国科学:物理学、力学、天文学英文版》 (Science China: Physics, Mechanics & Astronomy)

年 卷 期：2023年第66卷第7期

页      面：62-68页

核心收录：

学科分类：08[工学] 0803[工学-光学工程] 

基　　金：supported by the Key Academic Discipline Project of China University of Mining and Technology(Grant No.2022WLXK06) the National Natural Science Foundation of China(Grant Nos.11874274,12004425,and 12274315) the Natural Science Foundation of Jiangsu Province(Grant No.BK20200630) the Qing Lan Project a Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD) the Basic Research Program of Xuzhou(Grant No.KC22016) 

主　　题：photonic crystal amorphous material topological insulator 

摘      要：Many works on topological insulators have focused on periodic lattice systems,where short-and long-range order is *** we construct a two-dimensional amorphous photonic crystal with short-range order and a controllable level of long-range order and experimentally investigate the transport of topological edge states in this amorphous *** demonstrate that topology properties remain constant with unidirectional edge state propagation,immune to specific disorder *** partition phenomena of edge states are also observed at the intersection of four topological channels in microwave *** proposed amorphous configuration provides new opportunities to explore the relationship between short-range order and topology and may alleviate the fabrication difficulties of topological optical devices for practical applications.