Title :
Generation of light beams carrying orbital angular momentum using an ultrathin plasmonic metasurface
Author :
De Leon, Israel ; Karimi, Ebrahim ; Schulz, Sebastian A. ; Qassim, Hammam ; Upham, Jeremy ; Boyd, Robert
Author_Institution :
Dept. of Phys., Univ. of Ottawa, Ottawa, ON, Canada
Abstract :
We generate optical orbital angular momentum in the visible regime via spin-to-orbital angular momentum coupling by ultrathin (λ/30), inhomogeneous, birefringent plasmonic arrays. Such metasurfaces will enable compact, efficient generation of structured light.
Keywords :
angular momentum; birefringence; optical arrays; optical metamaterials; spin-orbit interactions; birefringent plasmonic arrays; inhomogeneous plasmonic arrays; light beam generation; orbital angular momentuan; spin-to-orbital angular momentum coupling; ultrathin plasmonic arrays; ultrathin plasmonic metasurface; visible regime; Holographic optical components; Holography; Optical coupling; Optical device fabrication; Optical polarization; Optical vortices; Plasmons;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
