Compact analog counting SPAD pixel with 1.9% PRNU and 530ps time gating

Lucio Pancheri, Ekaterina Panina, Gian Franco Dalla Betta, Leonardo Gasparini, David Stoppa

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

11 Citations (Scopus)


In this paper, a pixel for time-resolved single photon detection is presented. The pixel includes a passively quenched Single-Photon Avalanche Diode (SPAD), a gating circuit and an analog counter based on charge sharing approach. The analog output signal delivered by the pixel is quantized in discrete levels, corresponding to different photon counts. Three linear arrays with different pixel versions were fabricated in a standard 0.15μm CMOS technology. The electro-optical characterization demonstrated a counter non-uniformity of 1.1% and a Photo-Response Non-Uniformity (PRNU) of 1.9%, including SPAD non-uniformity. The pixel exhibits shot-noise limited operation and a minimum gating window width of 530ps FWHM.

Original languageEnglish
Title of host publicationESSCIRC 2013 - Proceedings of the 39th European Solid-State Circuits Conference
Number of pages4
Publication statusPublished - 2013
Externally publishedYes
Event39th European Solid-State Circuits Conference, ESSCIRC 2013 - Bucharest, Romania
Duration: 16 Sep 201320 Sep 2013

Publication series

NameEuropean Solid-State Circuits Conference
ISSN (Print)1930-8833


Conference39th European Solid-State Circuits Conference, ESSCIRC 2013

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