Zichen Zhu, Zhiming Zhang. 1550 nm Single Photon Detection Module Based on Avalanche Photodiode[J]. Laser & Optoelectronics Progress, 2021, 58(13): 1304001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 13, 1304001 (2021)
Fig. 1. Structure of single photon detection module
Fig. 2. Processing circuit for trigger signal
Fig. 3. Negative pulse signal
Fig. 4. Noise suppression circuit
Fig. 5. Output signal of amplification circuit
Fig. 6. Output waveforms of comparison circuit
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Table 1. Relationship among dark count rate, after-pulse probability, and detection efficiency
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