Single-photon avalanche diode (SPAD) arrays are solid-state detectors that offer imaging
capabilities at the level of individual photons, with unparalleled photon counting and time …

Emerging single-photon-sensitive sensors produce picosecond-accurate time-stamped
photon counts. Applying advanced inverse methods to process these data has resulted in …

The rapid development of machine vision applications demands hardware that can sense
and process visual information in a single monolithic unit to avoid redundant data transfer …

Fluorescence lifetime imaging (FLIM) is a key fluorescence microscopy technique to map the
environment and interaction of fluorescent probes. It can report on photophysical events that …

Photonic quantum technologies promise a revolution of the world of information processing,
from simulation and computing to communication and sensing, thanks to the many …

The recent developments in time-domain diffuse optics that rely on physical concepts (eg,
time-gating and null distance) and advanced photonic components (eg, vertical cavity …

Single-photon avalanche diodes (SPADs) emerged as the most suitable photodetectors for
both single-photon counting and photon-timing applications. Different complementary metal …

Positron emission tomography (PET) imaging is an essential tool in clinical applications for
the diagnosis of diseases due to its ability to acquire functional images to help differentiate …

We report on the design and characterization of a multipurpose 64× 32 CMOS single-photon
avalanche diode (SPAD) array. The chip is fabricated in a high-voltage 0.35-μm CMOS …

This article provides a tutorial introduction to the direct Time-of-Flight (dToF) signal chain
and typical artifacts introduced due to detector and processing electronic limitations. We …