A 16.5 giga events/s 1024 × 8 SPAD line sensor with per-pixel zoomable 50ps-6.4ns/bin histogramming TDC

Ahmet T. Erdogan, Richard Walker, Neil Finlayson, Nikola Krstajic, Gareth O.S. Williams, Robert K. Henderson

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    23 Citations (Scopus)

    Abstract

    A 1024 × 8 single photon avalanche diode (SPAD) based line sensor for time resolved spectroscopy is implemented in 0.13 μm imaging CMOS with 23.78 μm pixel pitch at 49.31% fill factor. The line sensor can operate in single photon counting (SPC) mode (65 giga-events/s), time-correlated single photon counting (TCSPC) mode (194 million events/s) or histogramming mode (16.5 giga-events/s), increasing the count rate up to 85 times compared to TCSPC operation. This performance is enabled by a 512 channel histogramming TDC with 50ps-6.4ns/bin zoomable time resolution.

    Original languageEnglish
    Title of host publication2017 Symposium on VLSI Circuits
    Subtitle of host publicationDigest of Technical Papers
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    PagesC292-C293
    Number of pages2
    ISBN (Electronic)9784863486065
    ISBN (Print)9781509039807
    DOIs
    Publication statusPublished - 15 Aug 2017
    Event31st Symposium on VLSI Circuits, VLSI Circuits 2017 - Kyoto, Japan
    Duration: 5 Jun 20178 Jun 2017

    Conference

    Conference31st Symposium on VLSI Circuits, VLSI Circuits 2017
    CountryJapan
    CityKyoto
    Period5/06/178/06/17

    Keywords

    • CMOS
    • Histogramming
    • SPAD
    • TCSPC
    • Time-resolved spectroscopy

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