Publications related to A Time-Gated 128x128 CMOS SPAD Array for on-Chip Fluorescence Detection

Burst Vision Using Single-Photon Cameras

Single-photon avalanche diodes (SPADs) are novel image sensors that record the arrival of individual photons at extremely high temporal resolution. In the past, they were only available as single pixels or small-format arrays, for various active imaging ap ...

IEEE COMPUTER SOC2023

A Pixel Design of a Branching Ultra-Highspeed Image Sensor

Edoardo Charbon

A burst image sensor named Hanabi, meaning fireworks in Japanese, includes a branching CCD and multiple CMOS readout circuits. The sensor is backside-illuminated with a light/charge guide pipe to minimize the temporal resolution by suppressing the horizont ...

2021

Pixel sensor cell for cmos image sensors with enhanced conversion gain at high dynamic range capability

Assim Boukhayma

The present invention relates to a pixel sensor cell (1) for a CMOS sensor device comprising: - a photodiode (11) for generating photoelectrons; - a first transfer transistor (12) coupling the photodiode (11) with an intermediate node (IN) and configured t ...

2019

A Modular, Direct Time-of-Flight Depth Sensor in 45/65-nm 3-D-Stacked CMOS Technology

Edoardo Charbon, Myung Jae Lee, Preethi Padmanabhan, Augusto Ronchini Ximenes

This article introduces a modular, direct time-of-flight (TOF) depth sensor. Each module is digitally synthesized and features a 2

\times

(8

\times

8) single-photon avalanche diode (SPAD) pixel array, an edge-sensitive decision tree, a shared time-to ...

2019

Full SPICE Simulation of a CMOS Active Pixel Sensor with Generalized Devices

Jean-Michel Sallese, Chiara Rossi

We present SPICE simulations of a CMOS APS pixel element consisting of the optical sensor and the circuit. The photodiode is simulated at the physics level by means of the so-called generalized devices, without any predefined compact model. Conversely, reg ...

IEEE2019

A 30-frames/s, 252 x 144 SPAD Flash LiDAR With 1728 Dual-Clock 48.8-ps TDCs, and Pixel-Wise Integrated Histogramming

Edoardo Charbon, Ivan Michel Antolovic, Chunmin Zhang, Scott Anthony Lindner, Juan Mata Pavia, Martin Wolf

A 252 x 144 single-photon avalanche diode (SPAD) pixel sensor, called Ocelot, is reported for light detection and ranging (LiDAR). The sensor, fabricated in the 180-nm CMOS technology, features 1728 12-bit time-to-digital converters (TDCs) with 48.8-ps res ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

Time-resolved Single-photon Detector Arrays for High Resolution Near-infrared Optical Tomography

Scott Anthony Lindner

Oxygenation is an important marker in many clinical settings, e.g. diagnosing ischaemic brain injuries in preterm infants or determining treatment effectiveness in cancer patients. Despite significant efforts to determine the oxygenation state of the human ...

EPFL2018

A time-gated large-array SPAD camera for picosecond resolution real-time FLIM

Edoardo Charbon, Claudio Bruschini, Arin Can Ülkü

Single-photon avalanche diode (SPAD) arrays have recently emerged as promising detectors for many wide-field fluorescence lifetime imaging microscopy (FLIM) applications, thanks to their picosecond range temporal resolution, single-photon sensitivity and f ...

2018

Applications of a reconfigurable SPAD line imager

Edoardo Charbon, Claudio Bruschini, Samuel Burri

Single-photon avalanche diodes (SPADs) fabricated in standard CMOS processes enable cost-effective volume production of sensors capable of time-stamping individual photons with high accuracy. This capability makes the sensors ideally suited for application ...

2018

Fluorescence lifetime imaging using a single photon avalanche diode array sensor

Edoardo Charbon, Claudio Bruschini, Ivan Michel Antolovic, Samuel Burri

Single photon detectors allows us work with the weakest fluorescence signals. Single photon arrays, combined with ps-controlled gating allow us to create image maps of fluorescence lifetimes, which can be used for in-vivo discrimination of tissue activity. ...

2017

A Time-Gated 128x128 CMOS SPAD Array for on-Chip Fluorescence Detection

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Burst Vision Using Single-Photon Cameras

A Pixel Design of a Branching Ultra-Highspeed Image Sensor

Pixel sensor cell for cmos image sensors with enhanced conversion gain at high dynamic range capability

A Modular, Direct Time-of-Flight Depth Sensor in 45/65-nm 3-D-Stacked CMOS Technology

Full SPICE Simulation of a CMOS Active Pixel Sensor with Generalized Devices

A 30-frames/s, 252 x 144 SPAD Flash LiDAR With 1728 Dual-Clock 48.8-ps TDCs, and Pixel-Wise Integrated Histogramming

Time-resolved Single-photon Detector Arrays for High Resolution Near-infrared Optical Tomography

A time-gated large-array SPAD camera for picosecond resolution real-time FLIM

Applications of a reconfigurable SPAD line imager

Fluorescence lifetime imaging using a single photon avalanche diode array sensor

Burst Vision Using Single-Photon Cameras

Pixel sensor cell for cmos image sensors with enhanced conversion gain at high dynamic range capability

A 30-frames/s, 252 x 144 SPAD Flash LiDAR With 1728 Dual-Clock 48.8-ps TDCs, and Pixel-Wise Integrated Histogramming

Time-resolved Single-photon Detector Arrays for High Resolution Near-infrared Optical Tomography

A time-gated large-array SPAD camera for picosecond resolution real-time FLIM

A Modular, Direct Time-of-Flight Depth Sensor in 45/65-nm 3-D-Stacked CMOS Technology

Applications of a reconfigurable SPAD line imager

Full SPICE Simulation of a CMOS Active Pixel Sensor with Generalized Devices

A Pixel Design of a Branching Ultra-Highspeed Image Sensor

Fluorescence lifetime imaging using a single photon avalanche diode array sensor