Silicon Photonic FMCW LiDAR with Integrated High-Speed Line-Scan Illumination and 2D Coherent Receivers

Prost, Mathias; Qiu, Huaqing; Croes, Guillaume; Reza, Manuel; Romme, Jac; Berteloot, Brecht; Lin, Ziduo; Pérez Santacruz, Javier; Venialgo Araujo, Esteban; Emmen, Erik; Govers, Jochem; Bembnowicz, Pawel; de Oliveira, Felipe Pacheco; Bechthum, Elbert; Kashi, Amir Abbas; Chauvet, Nicolas; Girouard, Peter; Kongnyuy, Tangla David; Kandil, Mennatallah; Ramezani, Maliheh

doi:10.1109/ecoc66593.2025.11263059

Publication:

Silicon Photonic FMCW LiDAR with Integrated High-Speed Line-Scan Illumination and 2D Coherent Receivers

Date

2025

Proceedings Paper

https://doi.org/10.1109/ecoc66593.2025.11263059

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Journal

2025 EUROPEAN CONFERENCE ON OPTICAL COMMUNICATIONS, ECOC

Abstract

We demonstrate a monolithically integrated line-scan optical phased array with focal plane array coherent receivers to realize a compact FMCW LiDAR system. A frame rate of 10 fps is experimentally achieved using thermo-optic phase shifters, with a theoretical upper limit of 62 fps.