Fourier processing of quantum light

E. Poem*, Y. Gilead, Y. Lahini, Y. Silberberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


It is shown that a classical optical Fourier processor can be used for the shaping of quantum correlations between two or more photons, and the class of filter functions applicable in the multiphoton Fourier space is identified. This concept is experimentally demonstrated by using two types of periodic phase Fourier filters to manipulate the quantum correlations between path-entangled photon pairs. As many more types of filter functions are applicable, this opens up an alternative avenue for the manipulation of correlations between photons, a key ingredient in optical quantum information processing.

Original languageEnglish
Article number023836
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number2
StatePublished - 20 Aug 2012
Externally publishedYes


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