High-precision FMCW ranging with a hybrid-integrated external cavity laser

Chuxin Liu,Ruiyang Xu,Weihan Xu,Liangjun Lu,Yuyao Guo,Yu Li,Jianping Chen,Linjie Zhou

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

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摘要

We implement an analog EO-PLL for a III/V-Si 3 N 4 hybrid integrated ECL to generate a highly-linear FMCW signal over multiple wavelengths. A high range precision of 4.2 cm is achieved for a 200-m distance.

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关键词

coherent LiDAR,external cavity laser,frequency modulated continuous wave laser,photonic integrated circuit

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