摘要
A topologically protected ring-resonator formed in valley photonic crystals is proposed and fabricated on a silicon slab. The unidirectional transmission and robustness against structure defects of its resonant modes are illustrated. Coupled with topological waveguides, the topological ring is functioned as notch and channel-drop filters. The work opens up a new avenue for developing advanced chip-integrated photonic circuits with attributes of topological photonics.
源语言 | 英语 |
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文章编号 | 9439170 |
页(从-至) | 5069-5073 |
页数 | 5 |
期刊 | Journal of Lightwave Technology |
卷 | 39 |
期 | 15 |
DOI | |
出版状态 | 已出版 - 1 8月 2021 |