19.1 Optical Phased-Array FMCW LiDAR with On-Chip Calibration - SungWon Chung; Makoto Nakai; Samer B. Idres; Yongwei Ni; Hossein Hashemi (IEEE International Solid-State Circuits Conference, ISSCC 2021, San Francisco, CA, USA, February 13-22, 2021, 2021)