Performance comparison of ghost imaging versus conventional imaging in photon shot noise cases

Zijie Li; Qing Zhao; Wenlin Gong

doi:10.3788/COL202018.071101

Chinese Optics Letters, Volume. 18, Issue 7, 071101(2020)

Performance comparison of ghost imaging versus conventional imaging in photon shot noise cases

Zijie Li¹, Qing Zhao^1、*, and Wenlin Gong^2、**

Author Affiliations

¹Center for Quantum Technology Research, School of Physics, Beijing Institute of Technology, Beijing 100081, China

²Key Laboratory for Quantum Optics and Center for Cold Atom Physics of CAS, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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Figures & Tables(6)

Fig. 1. Typical schematics of (a) computational GI and (b) CI via laser illumination.

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Fig. 2. Simulated results of CI and GI at different $I_{0}$ when the object’s transmission area $A_{o} = 20 \times 20 {pixels}^{2}$ is fixed. (a) The relationship between the DSNR of CI/GI and the number density of photons illuminating the DMD or the reflection mirror $I_{0}$ ( $I_{0} = 2 I_{o}$ ); (b) the dependence of the ${SNR}^{tran}$ of CI/GI on $I_{0}$ ; (c)–(f) the imaging results of CI and GI when $I_{0} = 1$ , 3, 10, and $30 {photons / pixels}^{2}$ , respectively. The areas shown by the pink dashed box in (c)–(f) correspond to the object’s transmission region achieved by CI and GI.

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Fig. 3. Simulated results of CI and GI at different $A_{o}$ in the case of $I_{0} = 40 {photons / pixels}^{2}$ . (a) The relationship between the DSNR of CI/GI and the object’s transmission area $A_{o}$ ; (b) the dependence of the ${SNR}^{tran}$ of CI/GI on $A_{o}$ ; (c)–(f) the imaging results of CI and GI when $A_{o} = 100$ , 400, 1600, and $3600 {pixels}^{2}$ , respectively. The areas labeled by the pink dashed box in (c)–(f) correspond to the object’s transmission region achieved by CI and GI.

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Fig. 4. Performance comparison of ${SNR}^{tran}$ for CI and GI for different $I_{0}$ and $A_{o}$ .

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Fig. 5. The dependence of CI and GI on ${SNR}^{tran}$ for different $I_{0}$ when the threshold value $A_{o}^{threshold}$ is chosen as $2000 {pixels}^{2}$ . (a) The projection diagram of ${SNR}^{tran}$ based on Fig. 4; (b) the curves of ${SNR}^{tran} - I_{0}$ for CI and GI corresponding to the pink dash-dotted line of (a); (c)–(g) the imaging results of CI and GI when $I_{0} = 10$ , 100, 200, 280, and $360 {photons / pixels}^{2}$ , respectively. The areas labeled by the pink dashed box in (c)–(g) correspond to the object’s transmission region achieved by CI and GI.

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Fig. 6. Performance comparison of ${SNR}^{tran}$ for CI and GI for different $I_{0}$ and $A_{o}$ , which correspond to the diagonal value of ${SNR}^{tran}$ in Fig. 4. (a) The projection diagram of ${SNR}^{tran}$ based on Fig. 4; (b) the ${SNR}^{tran}$ of CI and GI in the case of $\frac{A_{o}}{I_{0}} = 10$ , corresponding to the pink dash-dotted line of (a); (c)–(g) the imaging results of CI and GI when $I_{0} = 10 photons / {pixels}^{2}$ and $A_{o} = 10 \times 10 {pixels}^{2}$ , $I_{0} = 40 photons / {pixels}^{2}$ and $A_{o} = 20 \times 20 {pixels}^{2}$ , $I_{0} = 90 photons / {pixels}^{2}$ and $A_{o} = 30 \times 30 {pixels}^{2}$ , $I_{0} = 200 photons / {pixels}^{2}$ and $A_{o} = 40 \times 50 {pixels}^{2}$ , and $I_{0} = 360 photons / {pixels}^{2}$ and $A_{o} = 60 \times 60 {pixels}^{2}$ , respectively. The areas labeled by the pink dashed box in (c)–(g) correspond to the object’s transmission region achieved by CI and GI.

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Zijie Li, Qing Zhao, Wenlin Gong, "Performance comparison of ghost imaging versus conventional imaging in photon shot noise cases," Chin. Opt. Lett. 18, 071101 (2020)

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Paper Information

Category: Imaging Systems

Received: Nov. 20, 2019

Accepted: Apr. 16, 2020

Published Online: May. 25, 2020

The Author Email: Qing Zhao (qzhaoyuping@bit.edu.cn), Wenlin Gong (gongwl@siom.ac.cn)

DOI:10.3788/COL202018.071101

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology