Group Index Engineered Photonic Crystal Waveguides and Microcavities in the 2 μm Waveband

Lipeng Xia,Yuhan Sun,Chang Chang,Ting Li,Peiji Zhou,Yi Zou

Frontiers in Optics + Laser Science 2022 (FIO, LS)（2022）

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摘要

We experimentally demonstrate photonic crystal waveguides and microcavities with group index engineering at the 2 μm waveband. The matched group index enhances the coupling efficiency and suppresses Fresnel reflections and Fabry-Perot resonance fringes.

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关键词

microcavities,crystal

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