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Quantum Super-resolution Imaging with Multicenter Integration
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DOI：10.1021/acsphotonics.5c02335.png)
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Abstract
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Quantum imaging based on the entanglement from spontaneous parametric down-conversion (SPDC) can surpass the classical resolution limit. However, the application is often restricted by slow data acquisition, which requires a large number of frames. Here, we introduce a rapid quantum super-resolution method that integrates biphotons centered symmetrically about multiple spatially shifted positions. While traditional methods relying on biphotons symmetrically distributed around a single center require approximately 200,000 frames to achieve super-resolution imaging with a comparable signal-to-noise ratio (SNR), our approach accomplishes the same with only 10,000 frames. This method enhances the SNR and reduces the data acquisition time by a factor of 20, significantly improving the practicality and efficiency of quantum super-resolution imaging.
Keywords:
quantum imaging
entanglement
super-resolution
signal-to-noise ratio
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