Heralded single-photon partial coherence

P. Ben Dixon, Gregory Howland, Mehul Malik, David J. Starling, R. W. Boyd, John C. Howell

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


We study transverse spatial coherence of approximately localized single-photon states. We demonstrate nonlocal control over single-photon spatial coherence via projective measurements of an entangled twin and provide a theoretical interpretation from quantum coherence theory. Our results show that the spatial coherence of a single-photon state behaves similarly to that of a classical optical field, although the coincidence measurement adds a degree of freedom.

Original languageAmerican English
Article number023801
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number2
StatePublished - 2 Aug 2010
Externally publishedYes


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