Gated SPAD Arrays for Single-Photon Time-Resolved Imaging and Spectroscopy

In this paper, we present the architecture and the experimental characterization of an improved version of a previously developed 32 × 32 Single Photon Avalanche Diodes (SPADs) and Time to Digital Converters (TDCs) array, and two new arrays (with 8 × 8 and 128 × 1 pixels) with the additional capabil...

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Bibliographic Details
Published inIEEE photonics journal Vol. 11; no. 6; pp. 1 - 10
Main Authors Conca, Enrico, Cusini, Iris, Severini, Fabio, Lussana, Rudi, Zappa, Franco, Villa, Federica
Format Journal Article
LanguageEnglish
Published Piscataway IEEE 01.12.2019
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Arrays
Avalanche diodes
Converters
Crosstalk
Imaging
Linearity
Photon avalanches
Single photon avalanche diode (SPAD) array
Single-photon avalanche diodes
SPAD gating
Spectroscopy
time to digital converters (TDC)
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Summary:In this paper, we present the architecture and the experimental characterization of an improved version of a previously developed 32 × 32 Single Photon Avalanche Diodes (SPADs) and Time to Digital Converters (TDCs) array, and two new arrays (with 8 × 8 and 128 × 1 pixels) with the additional capability of actively gating the detectors with sub-nanosecond rise time. The arrays include high performance SPADs (0.04 cps/μm 2 , 50% peak PDE) and provide down to 410 ps Full-Width at Half-Maximum (FWHM) single shot precision and excellent linearity. We developed a camera to exploit these imagers in time-resolved, single-photon applications.
ISSN:1943-0655
1943-0655
1943-0647
DOI:10.1109/JPHOT.2019.2952670