17 August 2010 Enhancing contrast of point images using coherent states and photon-number-resolving detectors
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Abstract
We map the transverse profile of light beams using photon-number-resolving detectors, and observe compression of beam profiles for higher detected photon-number. This compression is exploited to enable contrast enhancement between two point images separated at the Rayleigh limit. This enhancement exists for all separations up until the classical Sparrow limit.
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Alexander Ling, Alexander Ling, Aaron Pearlman, Aaron Pearlman, Elizabeth Goldschmidt, Elizabeth Goldschmidt, Jingyun Fan, Jingyun Fan, Alan Migdall, Alan Migdall, } "Enhancing contrast of point images using coherent states and photon-number-resolving detectors", Proc. SPIE 7780, Detectors and Imaging Devices: Infrared, Focal Plane, Single Photon, 77801R (17 August 2010); doi: 10.1117/12.864467; https://doi.org/10.1117/12.864467
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