{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T14:40:07Z","timestamp":1779201607972,"version":"3.51.4"},"reference-count":33,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2021,8,31]],"date-time":"2021-08-31T00:00:00Z","timestamp":1630368000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002830","name":"Centre National d\u2019Etudes Spatiales","doi-asserted-by":"publisher","award":["no"],"award-info":[{"award-number":["no"]}],"id":[{"id":"10.13039\/501100002830","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100014915","name":"Airbus Defense and Space","doi-asserted-by":"publisher","award":["no"],"award-info":[{"award-number":["no"]}],"id":[{"id":"10.13039\/501100014915","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Single-Photon Avalanche Diodes (SPAD) in Complementary Metal-Oxide Semiconductor (CMOS) technology are potential candidates for future \u201cLight Detection and Ranging\u201d (Lidar) space systems. Among the SPAD performance parameters, the Photon Detection Probability (PDP) is one of the principal parameters. Indeed, this parameter is used to evaluate the SPAD sensitivity, which directly affects the laser power or the telescope diameter of space-borne Lidars. In this work, we developed a model and a simulation method to predict accurately the PDP of CMOS SPAD, based on a combination of measurements to acquire the CMOS process doping profile, Technology Computer-Aided Design (TCAD) simulations, and a Matlab routine. We compare our simulation results with a SPAD designed and processed in CMOS 180 nm technology. Our results show good agreement between PDP predictions and measurements, with a mean error around 18.5%, for wavelength between 450 and 950 nm and for a typical range of excess voltages between 15 and 30% of the breakdown voltage. Due to our SPAD architecture, the high field region is not entirely insulated from the substrate, a comparison between simulations performed with and without the substrate contribution indicates that PDP can be simulated without this latter with a moderate loss of precision, around 4.5 percentage points.<\/jats:p>","DOI":"10.3390\/s21175860","type":"journal-article","created":{"date-parts":[[2021,8,31]],"date-time":"2021-08-31T22:58:15Z","timestamp":1630450695000},"page":"5860","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Modeling, Simulation Methods and Characterization of Photon Detection Probability in CMOS-SPAD"],"prefix":"10.3390","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0257-0544","authenticated-orcid":false,"given":"Aymeric","family":"Panglosse","sequence":"first","affiliation":[{"name":"Department of Electronic Optic and Signal, ISAE-SUPAERO, University of Toulouse, 31055 Toulouse, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Philippe","family":"Martin-Gonthier","sequence":"additional","affiliation":[{"name":"Department of Electronic Optic and Signal, ISAE-SUPAERO, University of Toulouse, 31055 Toulouse, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1829-3465","authenticated-orcid":false,"given":"Olivier","family":"Marcelot","sequence":"additional","affiliation":[{"name":"Department of Electronic Optic and Signal, ISAE-SUPAERO, University of Toulouse, 31055 Toulouse, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C\u00e9dric","family":"Virmontois","sequence":"additional","affiliation":[{"name":"CNES, The French National Space Agency, 31400 Toulouse, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Olivier","family":"Saint-P\u00e9","sequence":"additional","affiliation":[{"name":"Airbus Defence and Space, 31400 Toulouse, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pierre","family":"Magnan","sequence":"additional","affiliation":[{"name":"Department of Electronic Optic and Signal, ISAE-SUPAERO, University of Toulouse, 31055 Toulouse, France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,8,31]]},"reference":[{"key":"ref_1","unstructured":"Measures, R.M. 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