Preethi Padmanabhan

High-Performance Back-Illuminated Three-Dimensional Stacked Single-Photon Avalanche Diode Implemented in 45-nm CMOS Technology

Myung-Jae Lee, Augusto Ronchini Ximenes, Preethi Padmanabhan et al. · IEEE Journal of Selected Topics in Quantum Electronics · 2018 · 118 citations · Full text

Engineering, Single-photon Avalanche Diode, Optoelectronic Devices +16

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 et al. · IEEE Journal of Solid-State Circuits · 2019 · 88 citations · Full text

3D Ic Architecture, Engineering, Vlsi Design +12

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 et al. · 2018 · 87 citations · Full text

Engineering, Dtof Sensor Community, Interference Suppression +18

Modeling and Analysis of a Direct Time-of-Flight Sensor Architecture for LiDAR Applications

Preethi Padmanabhan, Chao Zhang, Edoardo Charbon · Sensors · 2019 · 82 citations · Full text

Dtof Model, Machine Vision, Engineering +15

7.4 A 256×128 3D-Stacked (45nm) SPAD FLASH LiDAR with 7-Level Coincidence Detection and Progressive Gating for 100m Range and 10klux Background Light

Preethi Padmanabhan, Chao Zhang, Marco Cazzaniga et al. · 2021 · 68 citations · Full text

Photonics, Image Sensor, Machine Vision +13