Cargando…

Beaming of Helical Light from Plasmonic Vortices via Adiabatically Tapered Nanotip

[Image: see text] We demonstrate the generation of far-field propagating optical beams with a desired orbital angular momentum by using a smooth optical-mode transformation between a plasmonic vortex and free-space Laguerre–Gaussian modes. This is obtained by means of an adiabatically tapered gold t...

Descripción completa

Detalles Bibliográficos
Autores principales: Garoli, Denis, Zilio, Pierfrancesco, Gorodetski, Yuri, Tantussi, Francesco, De Angelis, Francesco
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2016
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6660026/
https://www.ncbi.nlm.nih.gov/pubmed/27618524
http://dx.doi.org/10.1021/acs.nanolett.6b03359