Enhancing image contrast using coherent states and photon number resolving detectors
Aaron Pearlman, Alexander Ling, Elizabeth Goldschmidt, Jingyun Fan and, Alan Migdall
TL;DR
This paper demonstrates an experimental method to enhance image contrast by mapping diffraction-limited beams with photon-number-resolving detectors, revealing a beam compression effect that improves contrast beyond traditional methods.
Contribution
The study introduces a novel application of photon-number-resolving detectors to map beam profiles, achieving higher contrast through observed beam compression.
Findings
Strong beam profile compression at high photon counts
Enhanced contrast surpassing conventional irradiance profiles
Potential for improved imaging resolution
Abstract
We experimentally map the transverse profile of diffraction-limited beams using photon-number-resolving detectors. We observe strong compression of diffracted beam profiles for high detected photon number. This effect leads to higher contrast than a conventional irradiance profile between two Airy disk-beams separated by the Rayleigh criterion.
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