• Infrared and Laser Engineering
  • Vol. 53, Issue 12, 20240410 (2024)
Wenxiao ZHAO, Jiaqi JIANG, Chunyu LI, Bo ZHAO..., Aili WANG, Haibin WU* and Zhihan ZHU|Show fewer author(s)
Author Affiliations
  • College of Measurement and Control Technology and Communication Engineering, Harbin University of Science and Technology, Harbin 150080, China
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    DOI: 10.3788/IRLA20240410 Cite this Article
    Wenxiao ZHAO, Jiaqi JIANG, Chunyu LI, Bo ZHAO, Aili WANG, Haibin WU, Zhihan ZHU. Polarization-resolved upconversion detection enabled by time-division multiplexed nonlinear spatial Stokes tomography (invited)[J]. Infrared and Laser Engineering, 2024, 53(12): 20240410 Copy Citation Text show less
    Polarization-resolved upconversion detection principle diagram. (a) Principle diagram, where the VR is full-wave electrically controlled variable retarder, DM is dichroic mirror, \begin{document}$ {\chi }^{\left(2\right)} $\end{document} is nonlinear medium, the right-side show the timing diagram of the system operation; (b) Gaussian profile correction and polarization reconstruction
    Fig. 1. Polarization-resolved upconversion detection principle diagram. (a) Principle diagram, where the VR is full-wave electrically controlled variable retarder, DM is dichroic mirror, Unknown environment 'document' is nonlinear medium, the right-side show the timing diagram of the system operation; (b) Gaussian profile correction and polarization reconstruction
    Experimental setup
    Fig. 2. Experimental setup
    Polarization-resolved upconversion detection results of IG vector mode, where the left sides are the Signal and Reconstruction SOC states on the higher-order Poincaré sphere and fidelity F, and the right sides are the spatial polarization distribution of signal, upconversion and reconstruction
    Fig. 3. Polarization-resolved upconversion detection results of IG vector mode, where the left sides are the Signal and Reconstruction SOC states on the higher-order Poincaré sphere and fidelity F, and the right sides are the spatial polarization distribution of signal, upconversion and reconstruction
    Results of polarization-resolved upconversion detection for images
    Fig. 4. Results of polarization-resolved upconversion detection for images
    Wenxiao ZHAO, Jiaqi JIANG, Chunyu LI, Bo ZHAO, Aili WANG, Haibin WU, Zhihan ZHU. Polarization-resolved upconversion detection enabled by time-division multiplexed nonlinear spatial Stokes tomography (invited)[J]. Infrared and Laser Engineering, 2024, 53(12): 20240410
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