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1.Laboratory of Quantum Information, University of Science and Technology of China, 230026 Hefei, China
2.Anhui Province Key Laboratory of Quantum Network, University of Science and Technology of China, 230026 Hefei, China
3.CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, 230026 Hefei, China
4.Hefei National Laboratory, University of Science and Technology of China, 230088 Hefei, China
Jin-Shi Xu (jsxu@ustc.edu.cn)
Chuan-Feng Li (cfli@ustc.edu.cn)
Received:11 May 2025,
Revised:2025-07-22,
Accepted:22 August 2025,
Published Online:08 September 2025,
Published:31 October 2025
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Zheng, Y. et al. Position-correlated biphoton wavefront sensing for quantum adaptive imaging. Light: Science & Applications, 14, 3270-3277 (2025).
Zheng, Y. et al. Position-correlated biphoton wavefront sensing for quantum adaptive imaging. Light: Science & Applications, 14, 3270-3277 (2025). DOI: 10.1038/s41377-025-02024-4.
Quantum imaging with spatially entangled photons offers advantages such as enhanced spatial resolution
robustness against noise
and counterintuitive phenomena
while a biphoton spatial aberration generally degrades its performance. Biphoton aberration correction has been achieved by using classical beams to detect the aberration source or scanning the correction phase on biphotons if the source is unreachable. Here
a new method named position-correlated biphoton Shack–Hartmann wavefront sensing is introduced
where the phase pattern added on photon pairs with a strong position correlation is reconstructed from their position centroid distribution at the back focal plane of a microlens array. Experimentally
biphoton phase measurement and adaptive imaging against the disturbance of a plastic film are demonstrated. This single-shot method is a more direct and efficient approach toward quantum adaptive optics
suitable for integration into quantum microscopy
remote imaging
and communication.
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