A 256×256 45/65nm 3D-stacked SPAD-based direct TOF image sensor for LiDAR applications with optical polar modulation for up to 18.6dB interference suppression. - Augusto Ronchini Ximenes; Preethi Padmanabhan; Myung-Jae Lee; Yuichiro Yamashita; Dun-Nian Yaung; Edoardo Charbon (ISSCC, 2018)

A Modular, Direct Time-of-Flight Depth Sensor in 45/65-nm 3-D-Stacked CMOS Technology. - Augusto Ronchini Ximenes; Preethi Padmanabhan; Myung-Jae Lee; Yuichiro Yamashita; Dun-Nian Yaung; Edoardo Charbon (IEEE J. Solid State Circuits, 2019)