Entangled Optical Quantum Imaging Method Based on Two-Step Coincidence Counting

Fig. 6. Imaging results of proposed method and classical quantum imaging method obtained under different distances between light source and target. (a) 6 m; (b) 16 m; (c) 26 m; (d) 36 m; (e) 46 m

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Fig. 7. Image PSNR values of proposed method and classical quantum imaging method under different distances between light source and target

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Fig. 8. Imaging results of proposed method and classical quantum imaging method under different ranging area sizes. (a) $4 p i x e l \times 4 p i x e l$ ; (b) $8 p i x e l \times 8 p i x e l$ ; (c) $16 p i x e l \times 16 p i x e l$ ; (d) $32 p i x e l \times 32 p i x e l$ ; (e) $64 p i x e l \times 64 p i x e l$

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Fig. 9. Image PSNR values of proposed method and classical quantum imaging method under different ranging area sizes

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Fig. 10. Image PSNR values of proposed method and classical quantum imaging method under different single pixel exposure time

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Fig. 11. Actual quantum imaging optical path

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Table 1. Imaging time overhead of proposed method and classical quantum imaging method and ranging error of proposed method under different distances between light source and target

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Table 1. Imaging time overhead of proposed method and classical quantum imaging method and ranging error of proposed method under different distances between light source and target

Distance between light source and target /m	Time overhead of proposed method /s	Time overhead of classical method /s	Ranging error of proposed method /m
6	0.2608	178.5468	0.039
16	0.2360	181.2741	0.041
26	0.2432	179.2568	0.045
36	0.2336	178.1547	0.030
46	0.2323	178.6712	0.040

Table 2. Imaging time overhead of proposed method and classical quantum imaging method and ranging error of proposed method under different ranging area sizes

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Table 2. Imaging time overhead of proposed method and classical quantum imaging method and ranging error of proposed method under different ranging area sizes

Ranging area size /pixel	Time overhead of proposed method /s	Time overhead of classical method /s	Ranging error of proposed method /m
$4 \times 4$	0.1847	180.4723	0.0290
$8 \times 8$	0.2503	179.8429	0.0253
$16 \times 16$	0.5409	181.2158	0.0220
$32 \times 32$	1.1566	179.6154	0.0178
$64 \times 64$	3.5303	179.5123	0.0044

Table 3. Imaging results of proposed method and classical quantum imaging method under different single pixel exposure time
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Table 3. Imaging results of proposed method and classical quantum imaging method under different single pixel exposure time
Single pixel exposure time /s 1 2 3
Proposed method
Classical method

Table 4. Imaging results under different distances between light source and target
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Table 4. Imaging results under different distances between light source and target
Distance between light source and target /m 0.8 1.0 1.2
Proposed method
Classical method

Table 5. Imaging results under different ranging area sizes
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Table 5. Imaging results under different ranging area sizes
Ranging area
size /pixel
$3 \times 3$ $6 \times 6$ $9 \times 9$
Proposed method
Classical method

Table 6. Imaging results under different single pixel exposure time
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Table 6. Imaging results under different single pixel exposure time
Single pixel exposure time /s 0.5 1.5 2.5
Proposed method
Classical method

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Mu Zhou, Changyin Ji, Yong Wang, Jingyang Cao. Entangled Optical Quantum Imaging Method Based on Two-Step Coincidence Counting[J]. Acta Optica Sinica, 2023, 43(20): 2027003

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Paper Information

Category: Quantum Optics

Received: Jan. 2, 2023

Accepted: May. 16, 2023

Published Online: Oct. 23, 2023

The Author Email: Zhou Mu (zhoumu@cqupt.edu.cn)

DOI:10.3788/AOS230439

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Imaging time overhead of proposed method and classical quantum imaging method and ranging error of proposed method under different distances between light source and target

Table 1. Imaging time overhead of proposed method and classical quantum imaging method and ranging error of proposed method under different distances between light source and target

Table 2. Imaging time overhead of proposed method and classical quantum imaging method and ranging error of proposed method under different ranging area sizes

Table 2. Imaging time overhead of proposed method and classical quantum imaging method and ranging error of proposed method under different ranging area sizes

Table 3. Imaging results of proposed method and classical quantum imaging method under different single pixel exposure time

Table 3. Imaging results of proposed method and classical quantum imaging method under different single pixel exposure time

Table 4. Imaging results under different distances between light source and target

Table 4. Imaging results under different distances between light source and target

Table 5. Imaging results under different ranging area sizes

Table 5. Imaging results under different ranging area sizes

Table 6. Imaging results under different single pixel exposure time

Table 6. Imaging results under different single pixel exposure time