Ghost imaging using entanglement swapped photons

Nicholas Bornman, Megan Agnew, Feng Zhu, Adam Vallés, Andrew Forbes, Jonathan Leach

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)
82 Downloads (Pure)


Traditional ghost imaging requires correlated but spatially separated photons and has been observed in many physical situations, spanning both the quantum and classical regimes. Here we observe ghost imaging in a new system—a system based on entanglement swapping, the key feature of a quantum network. We detail how the exact form of quantum interference between independent photons dictates the precise nature of the ghost imaging, for example, for an anti-symmetric projection, the recorded image is the contrast-reversed version of the object—where the object is bright, the image is dark, and vice versa. The results highlight the importance of state projection in this ghost-imaging process and provide a pathway for the teleportation of two-dimensional spatial states across a quantum network. Our results also indicate that ghost images with new image properties could be achieved in conventional settings through a variety of new signal processing procedures.

Original languageEnglish
Article number63
Journalnpj Quantum Information
Publication statusPublished - 26 Jul 2019

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Statistical and Nonlinear Physics
  • Computer Networks and Communications
  • Computational Theory and Mathematics


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