Jun Hui, Hongzhou Chai, Minzhi Xiang, Zhenqiang Du, Kaidi Jin. Detection performance of spaceborne photon-counting LiDAR based on quantum enhancement[J]. Infrared and Laser Engineering, 2023, 52(4): 20220469
- Infrared and Laser Engineering
- Vol. 52, Issue 4, 20220469 (2023)
Fig. 1. Statistical distribution of photon numbers. (a) Thermal distribution; (b) Coherent distribution; (c) Mixed distribution
Fig. 2. Statistical distribution of coherent and squeezed states. (a) r =0.5,
; (b) r =0.2,
相干态与压缩态的统计分布。(a) r =0.5,
；(b) r =0.2,
Fig. 3. Detection probability of photon-counting lidar under different thresholds
Fig. 4. False alarm probability of photon-counting lidar under different thresholds
Fig. 5. SNR ratio of quantum threshold detection and light intensity detection
Fig. 6. SNR ratio of quantum-enhanced detection and light intensity detection. (a) r =0.2; (b) r =1
Fig. 7. Simulation results comparing of intensity detection and quantum threshold detection
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Table 1. Comparison between theoretical values and simulation results of detection probability and false alarm probability influenced by thresholds
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Table 2. Detection probability of quantum squeezed state at different thresholds
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