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Paper detail

Enhanced Thermal Object Imaging by Photon Addition or Subtraction

Long-baseline interferometry (LBI) is used to reconstruct the image of faint thermal objects. The image quality, for a given exposure time, is in general limited by a low signal-to-noise ratio (SNR). We show theoretically that a significant increase of the SNR, in a LBI, is possible by adding or subtracting photons to the thermal beam. At low photon counts, photon addition-subtraction technology strongly enhances the image quality. We have experimentally realized a nondeterministic physical protocol for photon subtraction. Our theoretical predictions are supported by experimental results.

preprint2016arXivOpen access
Claudio ParazzoliBenjamin KoltenbahDavid GerwePaul IdellBryan GardRichard BirrittellaS M Hashemi RafsanjaniMohammad MirhosseiniO S Magan-LoizaJonathan DowlingChristofer GerryRobert BoydBarbara Capron
physics.opticsquant-ph
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Claudio ParazzoliBenjamin KoltenbahDavid GerwePaul IdellBryan GardRichard BirrittellaS M Hashemi RafsanjaniMohammad MirhosseiniO S Magan-LoizaJonathan DowlingChristofer GerryRobert BoydBarbara Capron

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