Low‐Light Shadow Imaging Using Quadrature‐Noise Detection with a Camera

This paper experimentally demonstrates an imaging technique based on quadrature noise modification after interaction with opaque object. By using a homodyne-like detection scheme, the detrimental effect of camera dark is eliminated, making this approach particularly attractive for scenarios which require weak illumination. As example, image object illuminated squeezed vacuum reconstructed total 800 probing photons, utilizing less than one photon per frame average.