Array of single-photon avalanche diode (SPAD) microcells and operating the same
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Patent No.: US11340109B2. May 06, 2022.
Research output: Patent
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TY - PAT
T1 - Array of single-photon avalanche diode (SPAD) microcells and operating the same
AU - Hennecke, Marcus
AU - Kirillov, Boris
AU - Thurner, Thomas
PY - 2022/5/6
Y1 - 2022/5/6
N2 - A digital light detector includes a clock signal generator configured to generate a clock signal comprised of clock pulses generated at a predetermined frequency; a single-photon avalanche diode (SPAD) configured to turn on and generate an avalanche current in response to receiving a photon, the SPAD including an internal capacitor coupled internally between an anode terminal and an cathode terminal; and an active quenching-recharging circuit that is triggered by the clock signal. The active quenching-recharging circuit is configured to be activated and deactivated based on the clock signal, where the active quenching-recharging circuit is configured to recharge the internal capacitor on a condition the active quenching-recharging circuit is activated, and where the active quenching-recharging circuit is configured to discharge the internal capacitor on a condition the active quenching-recharging circuit is deactivated.
AB - A digital light detector includes a clock signal generator configured to generate a clock signal comprised of clock pulses generated at a predetermined frequency; a single-photon avalanche diode (SPAD) configured to turn on and generate an avalanche current in response to receiving a photon, the SPAD including an internal capacitor coupled internally between an anode terminal and an cathode terminal; and an active quenching-recharging circuit that is triggered by the clock signal. The active quenching-recharging circuit is configured to be activated and deactivated based on the clock signal, where the active quenching-recharging circuit is configured to recharge the internal capacitor on a condition the active quenching-recharging circuit is activated, and where the active quenching-recharging circuit is configured to discharge the internal capacitor on a condition the active quenching-recharging circuit is deactivated.
M3 - Patent
M1 - US11340109B2
Y2 - 2020/06/05
ER -
