Title :
Twisting light using nano-waveguide arrays
Author :
Jingbo Sun ; Xi Wang ; Tianboyu Xu ; Cartwright, Alexander N. ; Litchinitser, Natalia M.
Author_Institution :
Dept. of Electr. Eng., SUNY - Univ. at Buffalo, Buffalo, NY, USA
Abstract :
We experimentally demonstrate that an array of subwavelength channels with a spiral size distribution milled in a metal film can be used to manipulate the phase front of light beam and produce a vortex beam.
Keywords :
laser beams; nanophotonics; optical arrays; optical metamaterials; optical vortices; optical waveguides; metal film; nano-waveguide arrays; phase front manipulation; spiral size distribution; subwavelength channel array; twisting light beam; vortex beam; Films; Glass; Laser beams; Lenses; Optical device fabrication; Optical vortices; Spirals;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
