Record link: 
http://hdl.handle.net/20.500.12708/220747
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Title: 
SPAD Active Quenching/Resetting Circuit in 0.35-μm HV-CMOS Enabling 24V Excess Bias for PDP > 90%
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Citation: 
Nasirifar, S., Mesgari, B., Ribisch, C., Kohneh Poushi, S. S., & Zimmermann, H. (2025). SPAD Active Quenching/Resetting Circuit in 0.35-μm HV-CMOS Enabling 24V Excess Bias for PDP > 90%. In 2025 Austrochip Workshop on Microelectronics (Austrochip) (pp. 49–52). https://doi.org/10.1109/Austrochip67945.2025.11183714
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Publisher DOI: 
10.1109/Austrochip67945.2025.11183714
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Publication Type: 
Inproceedings - Full-Paper Contribution
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Language: 
English
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Authors: 
Nasirifar, Sherwin 
Mesgari, Baset 
Ribisch, Christoph 
Kohneh Poushi, S. S. 
Zimmermann, Horst 
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Organisational Unit: 
E354-02 - Forschungsbereich Integrated Circuits 
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Published in: 
2025 Austrochip Workshop on Microelectronics (Austrochip) 
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ISBN: 
979-8-3315-5477-4
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Date (published): 
6-Oct-2025
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Event name: 
2025 Austrochip Workshop on Microelectronics (Austrochip) 
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Event date: 
25-Sep-2025 - 26-Sep-2025
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Event place: 
Linz, Austria
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Number of Pages: 
4
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Peer reviewed: 
Yes
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Keywords: 
Semiconductor device modeling; MOSFET; Transient response; Voltage measurement; Monte Carlo methods; High-voltage techniques; Robustness; Integrated circuit modeling; Single-photon avalanche diodes; Photonics; active quenching; active resetting; photon detection probability
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Abstract: 
Single-Photon Avalanche Diodes (SPADs) require a high excess bias voltage to maximize photon detection probability (PDP) while afterpulsing has to be minimized. This work presents an active quenching and resetting circuit, implemented in a 0.35 μm high-voltage CMOS process, which features a medium-oxide MOSFET that supports an excess bias range of 24V. Post-layout simulations demonstrate sub-nanosecond quenching (≤1ns) and fast reset capability, allowing for a record high photon detection probability exceeding 90 %. The circuit maintains robustness across supply and process variations, validated through Monte Carlo and corner simulations. These results represent a significant advancement in SPAD quenching circuit design, offering PDP saturation.
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Research Areas: 
Nanoelectronics: 50%
Sensor Systems: 50%
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Science Branch: 
2020 - Elektrotechnik, Elektronik, Informationstechnik: 100%
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Appears in Collections:
Conference Paper

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