Ghost imaging with engineered quantum states by Hong-Ou-Mandel interference

Nicholas Bornman, Shashi Prabhakar, Adam Vallés, Jonathan Leach, Andrew Forbes

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Abstract

Traditional ghost imaging experiments exploit position correlations between correlated states of light. These correlations occur directly in spontaneous parametric down-conversion, and in such a scenario, the two-photon state usually used for ghost imaging is symmetric. Here we perform ghost imaging using an anti-symmetric state, engineering the two-photon state symmetry by means of Hong-Ou-Mandel interference. We use both symmetric and anti-symmetric states and show that the ghost imaging setup configuration results in object-image rotations depending on the state selected. Further, the object and imaging arms employ spatial light modulators for the all-digital control of the projections, being able to dynamically change the measuring technique and the spatial properties of the states under study. Finally, we provide a detailed theory that explains the reported observations.

Original languageEnglish
Article number073044
JournalNew Journal of Physics
Volume21
Issue number7
Early online date23 Jul 2019
DOIs
Publication statusPublished - Jul 2019

Keywords

  • ghost imaging
  • Hong-Ou-Mandel interference
  • quantum optics
  • state symmetry

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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