Photonic Filters on the lithium-niobate-on-insulator With Ultra-High Sidelobe Suppression Ratio

Jianghao He,Dajian Liu,Ming Zhang,Daoxin Dai

2023 Opto-Electronics and Communications Conference (OECC)（2023）

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摘要

We present a box-like photonic filter on the x-cut lithium-niobate-on-insulator (LNOI) platform made using cascaded six identical multimode waveguide gratings (MWGs) with a high sidelobe suppression ratio of ~60dB and a maximum insertion-loss is 0.6dB for light in the telecom C-band near 1550nm.

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关键词

MWG,optical filter,LNOI

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