Title :
Efficiency improvement of SOI waveguide grating for coupling to surface mounted photodetector
Author :
Takei, Ryohei ; Uchiho, Kotaro ; Mizumoto, Tetsuya
Author_Institution :
Dept. of Electr. & Electron. Eng., Tokyo Inst. of Technol., Tokyo, Japan
Abstract :
The coupling efficiency between a silicon waveguide and a surface mounted photodetector is improved by using a apodized grating coupler. The highest coupling efficiency of 86 % is obtainable for a randomly polarized lightwave.
Keywords :
diffraction gratings; integrated optics; optical waveguides; photodetectors; silicon; silicon-on-insulator; surface mount technology; SOI waveguide grating; apodized grating coupler; coupling efficiency; efficiency 86 percent; randomly polarized lightwave; surface mounted photodetector; Couplers; Couplings; Gratings; Optical coupling; Optical fibers; Silicon; apodization; coupling efficiency; grating coupler; silicon waveguide;
Conference_Titel :
Group IV Photonics (GFP), 2011 8th IEEE International Conference on
Conference_Location :
London
Print_ISBN :
978-1-4244-8338-9
DOI :
10.1109/GROUP4.2011.6053791