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Semiclassical Theory of Superresolution for Two Incoherent Optical Point Sources

Using a semiclassical model of photodetection with Poissonian noise and insights from quantum metrology, we prove that linear optics and photon counting can optimally estimate the separation between two incoherent point sources without regard to Rayleigh's criterion. The model is applicable to weak thermal or fluorescent sources as well as lasers.

preprint2016arXivOpen access
Mankei TsangRanjith NairXiao-Ming Lu
physics.opticsquant-ph
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Mankei TsangRanjith NairXiao-Ming Lu

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