Broadband photonic topological insulator based on triangular-holes array with higher energy filling efficiency

Photonic topological insulators (PTIs) bring markedly new opportunities to photonic devices with low dissipation and directional transmission of signal over a wide wavelength range due to the broadband topological protection. However, the maximum gap/mid-gap ratio of PTIs is below 10% and hardly fur...

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Bibliographic Details
Main Authors: Zhang Zhishen, Li Feng, Lu Jiuyang, Liu Tao, Heng Xiaobo, He Yongcheng, Liang Haohua, Gan Jiulin, Yang Zhongmin
Format: Article
Language:English
Published: De Gruyter 2020-06-01
Series:Nanophotonics
Subjects:
Online Access:https://doi.org/10.1515/nanoph-2020-0086