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Photonics Insights

Correlation properties of non-classical light fields and their applications in imaging

Yu Yan, Jiamin Li, Shuangping Han, Zihua Liu, Chunyu Guo, Jianyong Hu, Chengbing Qin, Liantuan Xiao

Published Jan 1, 2026• 0 citations
Publisher
DOI
10.3788/pi.2026.r08

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Several imaging techniques, such as ghost imaging, are based on the use of classical and quantum correlated light states. This fact has encouraged the search for new strategies to produce light states more correlated than the thermal states that are typically used. In this work, we produce and characterize classical states of light with “more than thermal” statistics. Such states are obtained by means of a sequence of two rotating ground-glass disks and by appropriately selecting the speckle field produced at the output of each disk. The experimental results are in excellent agreement with the developed theoretical model, suggesting the potential of this kind of light for imaging applications.