Correlation-induced orbital angular momentum changes

Yongtao Zhang, Olga Korotkova, Yangjian Cai, Greg Gbur

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate that the orbital angular momentum (OAM) flux density of a paraxial light beam can change on propagation in free space. These changes are entirely due to the spatial coherence state of the source, and the effect is analogous to correlation-induced changes in the intensity, spectrum, and polarization of a beam. The use of the source coherence state to control the width, shape, and transverse shifts of the OAM flux density is demonstrated with numerical examples.

Original languageEnglish (US)
Article number063513
JournalPhysical Review A
Volume102
Issue number6
DOIs
StatePublished - Dec 9 2020

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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