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Chinese Journal of Physics

Compton scattering induced ultra-high-resolution two-dimensional atomic localization

Humaira Kalsoom, Zareen Abdulhameed Khan

Published Apr 6, 2025• 2 citations
Publisher
DOI
10.1016/j.cjph.2025.03.036

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We propose a lensless optical method for imaging two-dimensional ultra-cold atoms (or molecules) in which the image can be non-locally observed by coincidence recording of entangled photon pairs. In particular, we focus on the transverse and longitudinal resolutions of images under various scanning methods. In addition, the role of the induced nonmaterial lattice on the image contrast is investigated. Our work shows a non-destructive and lensless way to image ultra-cold atoms or molecules that can be further used for two-dimensional atomic super-resolution optical testing and sub-wavelength lithography.