Angular momentum transfer in optically induced photonic lattices

Milan S. Petrović*, Dragana M. Jović, Milivoj R. Belić, Slobodan Prvanović

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

The transfer of orbital angular momentum from vortex beams to optically induced photonic lattices is demonstrated. It is found that the sum of the angular momenta of interacting incoherent counterpropagating (CP) beams is not conserved, whereas their difference is. The sum of angular momenta of copropagating (CO) interacting beams is strictly conserved. It is also found that the transfer of angular momentum in CP interacting beams is minimal, amounting to a few percent, whereas the transfer in CO interacting beams is substantial, amounting to tens of percent. In fixed lattices, for both CP and CO beams, angular momentum is never conserved.

Original languageEnglish
Article number023820
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume76
Issue number2
DOIs
Publication statusPublished - 21 Aug 2007
Externally publishedYes

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