Title :
Creation of vortex beam based on integrated ring-shape Bragg reflector waveguide
Author :
Mochizuki, Sho ; Xiaodong Gu ; Matsutani, Akihiro ; Koyama, Fumio
Author_Institution :
Precision & Intell. Lab., Tokyo Inst. of Technol., Yokohama, Japan
Abstract :
We demonstrate the creation of a vortex beam by using a GaAs-based ring-shape Bragg reflector waveguide functioning as an angular diffraction element. A tunable ring-far field patterns can be clearly shown with wavelength tuning.
Keywords :
III-V semiconductors; gallium arsenide; integrated optics; laser beams; laser tuning; light diffraction; optical vortices; optical waveguides; GaAs; angular diffraction element; integrated ring-shape Bragg reflector waveguide; tunable ring-far field patterns; vortex beam; wavelength tuning; Extraterrestrial measurements; Laser beams; Optical beams; Optical polarization; Optical reflection; Optical vortices; Optical waveguides;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
