Reconfigurable topological waveguide based on honeycomb lattice of dielectric cuboids
We show that the photonic crystal (PhC) made of dielectric cuboids with their centers forming a honeycomb lattice is characterized by a ℤ2${\mathbb{ℤ}}_{2}$ topological index when the longer sides of six cuboids point towards the center of hexagonal unit cell. While the C6v symmetry regar...
Main Authors: | Wang Xing-Xiang, Hu Xiao |
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Format: | Article |
Language: | English |
Published: |
De Gruyter
2020-06-01
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Series: | Nanophotonics |
Subjects: | |
Online Access: | https://doi.org/10.1515/nanoph-2020-0146 |
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