Discriminating orthogonal single-photon images

Curtis J. Broadbent, Petros Zerom, Heedeuk Shin, John C. Howell, Robert W. Boyd

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


We can encode an image from an orthogonal basis set onto a single photon from a downconverted pair via the use of an amplitude mask. We can then discriminate the image imprinted on the photon from other images in the set using holographic-matched filtering techniques. We demonstrate this procedure experimentally for an image space of two objects, and we discuss the possibility of applying this method to a much larger image space. This process could have important implications for the manipulation of images at the quantum level.

Original languageAmerican English
Article number033802
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number3
StatePublished - 3 Mar 2009
Externally publishedYes


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