Title :
Novel high efficiency vertical optical coupler using subwavelength high contrast grating
Author :
Zhu, Li ; Karagodsky, Vadim ; Yang, Weijian ; Chang-Hasnain, Connie J.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Univ. of California, Berkeley, CA, USA
Abstract :
A novel vertical optical coupler using subwavelength high contrast grating is presented. Surface-normal incidence plane wave can be coupled into in-plane silicon-on-insulator waveguide with highest efficiency of 84% over a broad wavelength range.
Keywords :
diffraction gratings; integrated optics; optical couplers; optical waveguides; silicon-on-insulator; Si; silicon-on-insulator waveguide; subwavelength high contrast grating; surface-normal incidence plane wave; vertical optical coupler; Couplers; Couplings; Gratings; Optical waveguides; Semiconductor waveguides; Silicon; Surface waves;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
