Title :
Improvement in coupling efficiency between a silicon waveguide and a surface mounted photo detector using an apodized grating coupler
Author :
Fujimoto, A. ; Uchiho, K. ; Shoji, Y. ; Mizumoto, T.
Author_Institution :
Dept. of Electr. & Electron. Eng., Tokyo Inst. of Technol., Tokyo, Japan
fDate :
Oct. 30 2011-Nov. 2 2011
Abstract :
The design of an apodized grating coupler is discussed for coupling lightwave between a silicon waveguide to a surface mounted photo detector. A coupling efficiency higher than 85% is available for a random polarization at a wavelength of 1.55 μm.
Keywords :
diffraction gratings; elemental semiconductors; light polarisation; optical couplers; optical design techniques; optical waveguides; photodetectors; silicon; apodized grating coupler; coupling efficiency; lightwave coupling; random polarization; surface mounted photodetector; waveguide; wavelength 1.55 mum; Couplings; Physics; Silicon;
Conference_Titel :
Microopics Conference (MOC), 2011 17th
Conference_Location :
Sendai
Print_ISBN :
978-1-4577-1344-6
