CMOS SPADs: Design issues and research challenges for detectors, circuits, and arrays

DP Palubiak, MJ Deen - IEEE Journal of Selected Topics in …, 2014 - ieeexplore.ieee.org
Solid-state single photon detectors are playing a significant role in the development of high-
performance single-photon imaging systems for fluorescence lifetime imaging, time-of-flight …

High-speed, single-photon avalanche-photodiode imager for biomedical applications

D Palubiak, MM El-Desouki, O Marinov… - IEEE Sensors …, 2011 - ieeexplore.ieee.org
The design of a low-light level pixel in CMOS technology for biomedical applications is
described. This pixel is also suitable for very high-speed applications, such as fluorescence …

Single-photon avalanche diode circuit with variable hold-off time and dual delay regime

MP Dandin - US Patent 9,671,284, 2017 - Google Patents
(57) ABSTRACT A circuit is provided. The circuit includes a single-photon avalanche diode.
The circuit further includes a delay element comprising a first regulator and a second …

A digital CMOS silicon photomultiplier using perimeter gated single photon avalanche diodes with asynchronous AER readout

MSA Shawkat, N Mcfarlane - IEEE Transactions on Circuits and …, 2020 - ieeexplore.ieee.org
This paper presents a new architecture for a perimeter gated single photon avalanche
diodes (PGSPADs) based CMOS digital silicon photomultiplier (SiPM) with fully digital …

An analog CMOS silicon photomultiplier using perimeter-gated single-photon avalanche diodes

MSA Shawkat, MHU Habib… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Perimeter-gated single-photon avalanche diodes (PGSPADs) have been shown to mitigate
premature edge breakdown without unduly increasing the area of the device. PGSPADs are …

Selecting single photon avalanche diode (SPAD) passive-quenching resistance: An approach

V Savuskan, M Javitt, G Visokolov, I Brouk… - IEEE Sensors …, 2013 - ieeexplore.ieee.org
An approach useful for designing the passive quenching circuitry of single-photon
avalanche diodes (SPADs) is presented. A method is introduced which enables a chip …

Delay circuit with dual delay resolution regime

MP Dandin - US Patent 10,594,306, 2020 - Google Patents
US10594306B2 - Delay circuit with dual delay resolution regime - Google Patents US10594306B2
- Delay circuit with dual delay resolution regime - Google Patents Delay circuit with dual delay …

Concealable physically unclonable functions and key generation using a Geiger mode imager

MS Sajal, M Dandin - 2023 IEEE International Symposium on …, 2023 - ieeexplore.ieee.org
We report a novel hardware method for generating authentication keys based on a
physically unclonable function (PUF) of a perimeter-gated single photon avalanche diode …

True Random Number Generation Using Dark Noise Modulation of a Single-Photon Avalanche Diode

MS Sajal, M Dandin - … Transactions on Circuits and Systems II …, 2023 - ieeexplore.ieee.org
This brief presents the application of perimeter-gated single-photon avalanche diodes (pg-
SPADs) as true random number generators (TRNGs). Typical SPADs have been used as …

Characterization of Single-Photon Avalanche Diodes in a 0.5- Standard CMOS Process—Part 2: Equivalent Circuit Model and Geiger Mode Readout

M Dandin, MHU Habib, B Nouri, P Abshire… - IEEE Sensors …, 2016 - ieeexplore.ieee.org
This paper features a model that allows the design and simulation of perimeter-gated single-
photon avalanche diodes (SPADs). The model enables both Geiger mode and DC mode …