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EnglishThe implementation of single-photon avalanche diode detectors (SPAD) in a standard high voltage 0.7-μm CMOS technology is presented. Two different device structures, combined with integrated quenching circuits, have been fabricated and successfully tested. A novel biasing scheme is proposed allowing the reduction of afterpulsing effect and the decrease of minimum device-to-device distance. Good noise performance is obtained for the 100μm2 active area device where over 50% of the population has a dark count rate below 100cps and afterpulsing lower than 0.3% with a 4-V excess bias and a 32-ns dead time. The peak photon detection probability is about 30%, while the overall system, upper limit, for the time resolution is 144ps.
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| Titolo: | Low-noise CMOS single-photon avalanche diodes with 32ns dead time |
| Autori: | |
| Data di pubblicazione: | 2007 |
| Abstract: | The implementation of single-photon avalanche diode detectors (SPAD) in a standard high voltage 0.7-μm CMOS technology is presented. Two different device structures, combined with integrated quenching circuits, have been fabricated and successfully tested. A novel biasing scheme is proposed allowing the reduction of afterpulsing effect and the decrease of minimum device-to-device distance. Good noise performance is obtained for the 100μm2 active area device where over 50% of the population has a dark count rate below 100cps and afterpulsing lower than 0.3% with a 4-V excess bias and a 32-ns dead time. The peak photon detection probability is about 30%, while the overall system, upper limit, for the time resolution is 144ps. |
| Handle: | http://hdl.handle.net/11582/3608 |
| Appare nelle tipologie: | 4.1 Contributo in Atti di convegno |
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http://hdl.handle.net/11582/3608
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