Lianjun Jiang, Yuqiang Fang, Chao Yu, Qi Xu, Xuefeng Wang, Rui Ma, Xianchang Du, Ming Liu, Ta Wei, Chuancheng Huang, Yukang Zhao, Junsheng Liang, Xiang Shang, Guoliang Shentu, Lin Yu, Shibiao Tang, Jun Zhang. Miniaturized free-running InGaAs/InP single-photon detector (invited)[J]. Infrared and Laser Engineering, 2023, 52(3): 20230017
- Infrared and Laser Engineering
- Vol. 52, Issue 3, 20230017 (2023)
Fig. 1. Scheme of free-running single-photon detection basic circuit
Fig. 2. Schematic diagram of bias control and current detection circuit
Fig. 3. Schematic diagram of cooling temperature control circuit
Fig. 4. Schematic diagram of TDC design based on carry chain delay
Fig. 5. (a) Product explosion ；(b) Appearance
Fig. 6. Detection efficiency-dark count rate curve
Fig. 7. Detection efficiency-time jitter curve
Fig. 8. LiDAR product using QCD600 series single-photon detector
Fig. 9. Comparison of LiDAR data before and after correction
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Table 1. Detection efficiency at different wavelengths
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