Generating far-field orbital angular momenta from near-field optical chirality

Yuri Gorodetski, Aurélien Drezet, Cyriaque Genet, Thomas W. Ebbesen

Research output: Contribution to journalArticlepeer-review

133 Scopus citations


We demonstrate orbital angular momentum (OAM) transfer by chiral plasmonic nanostructures designed on both sides of a thin suspended metallic membrane. We show how far-field vortex beams with tunable OAM indices can be tailored through nanostructure designs. We reveal the crucial role played by the central aperture that connects the two sides of the membrane from which OAM selection rules are derived in perfect agreement with experimental data.

Original languageEnglish
Article number203906
JournalPhysical Review Letters
Issue number20
StatePublished - 16 May 2013
Externally publishedYes


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