Dual anode single-photon avalanche diode for high-speed and low-noise Geiger-mode operation
| Autor: | Soo-Hyun Baek, Seok Beom Cho, Chanyong Park, Chul-Woo Park, Sang-Kook Han |
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| Rok vydání: | 2019 |
| Předmět: |
Materials science
Physics::Instrumentation and Detectors business.industry Capacitive sensing 02 engineering and technology Quantum key distribution 021001 nanoscience & nanotechnology 01 natural sciences Atomic and Molecular Physics and Optics law.invention Anode 010309 optics Amplitude Optics Single-photon avalanche diode Band-pass filter law 0103 physical sciences Geiger counter 0210 nano-technology business Diode |
| Zdroj: | Optics express. 27(13) |
| ISSN: | 1094-4087 |
| Popis: | The after-pulsing effect is a common problem in high-speed and low-noise single-photon detection based on single-photon avalanche diodes (SPADs). This article presents a dual anode InGaAs/InP SPAD (DA-SPAD) with two separate anode output ports that can be utilized for discriminating relatively weak avalanche signals, providing a simple and robust configuration of the SPAD-based single-photon detection system. Weak avalanche signals with amplitudes below the amplitude of the parasitic capacitive response of the SPAD were easily detected by the DA-SPAD and a simple subtraction circuit. The gated Geiger-mode performance of the DA-SPAD was also investigated. At a gating frequency of 1 GHz, the detection efficiency was 20.4% with an after-pulse probability of 3.5% at a temperature of -20 °C. |
| Databáze: | OpenAIRE |
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