Title :
Radially Polarized Doughnut Beam Emitted by a Two-Dimensional Photonic-Crystal Laser
Author :
Sakai, Kyosuke ; Kitamura, Kyoko ; Miyai, Eiji ; Kunishi, Wataru ; Ohnishi, Dai ; Noda, Susumu
Author_Institution :
Kyoto Univ., Kyoto
Abstract :
Direct generation of a radially polarized doughnut beam from a single-chip semiconductor laser is demonstrated for the first time by using a two-dimensional photonic crystal, which leads to various super-resolution applications in compact optical systems.
Keywords :
light polarisation; optical pulse shaping; photonic crystals; semiconductor lasers; 2D photonic-crystal laser; compact optical systems; radially polarized doughnut beam; semiconductor laser; Laser beams; Laser modes; Laser theory; Optical polarization; Optical refraction; Optical resonators; Optical variables control; Photonic crystals; Surface emitting lasers; Vertical cavity surface emitting lasers;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452650
