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arXiv 2108.00181physics.optics
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一维拓扑光子晶体产生的Fano共振

Fano resonance from a one-dimensional topological photonic crystal

Linpeng Gu, Binbin Wang, Qingchen Yuan, Liang Fang, Qiang Zhao, Xuetao Gan, Jianlin Zhao

AI总结:

本文在单模硅波导中设计超紧凑一维拓扑光子晶体,利用拓扑边界态与连续泄漏模干涉产生Fano共振,实验获得最大消光比33 dB、斜率比10 dB/nm的非对称线形。

摘要:

在单模硅总线波导中设计了一种超紧凑的一维拓扑光子晶体(1D-TPC),用于产生Fano共振线形。该Fano共振来源于1D-TPC的离散拓扑边界态与总线波导的连续高阶泄漏模之间的干涉。实验上在波导透射谱中获得了独立的非对称Fano共振线形,在宽带平坦背景上实现了最大消光比33 dB和斜率比10 dB/nm。

英文摘要:

An ultra-compact one-dimensional topological photonic crystal (1D-TPC) is designed in a single mode silicon bus-waveguide to generate Fano resonance lineshape. The Fano resonance comes from the interference between the discrete topological boundary state of the 1D-TPC and the continuum high-order leaky mode of the bus-waveguide. Standalone asymmetric Fano resonance lineshapes are obtained experimentally in the waveguide transmission spectrum with a maximum extinction ratio of 33 dB and a slope ratio of 10 dB/nm over a broadband flat background.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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