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Super-resolution optical classifier with high photon efficiency
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DOI：10.1364/OL.401614.png)
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Abstract
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We propose and demonstrate a photon-efficient optical classifier to overcome the Rayleigh limit in spatial resolution. It utilizes mode-selective sum-frequency generation and single-pixel photon detection to resolve closely spaced incoherent sources based on photon counting statistics. Super-resolving and photon efficient, this technique can find applications in microscopy, light detection and ranging, and astrophysics. (C) 2020 Optical Society of America
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