Title :
Method of improving light coupling efficiency between optical fibers and silicon waveguides
Author :
Choudhury, A. N M Masum ; Stanczyk, Tom R. ; Richardson, Dean ; Donval, Ariela ; Oron, Ram ; Oron, Moshe
Author_Institution :
Fiber Opt. Div., Molex Inc., Downers Grove, IL, USA
Abstract :
A two-dimensional taper is fabricated in rib-loaded silicon-on-insulator waveguides to couple light from high-numerical-aperture fibers. Significant improvement in coupling efficiency is achieved. There is excellent agreement between measured and calculated coupling loss values.
Keywords :
elemental semiconductors; optical fabrication; optical fibre couplers; optical waveguides; rib waveguides; silicon; silicon-on-insulator; light coupling efficiency; optical fibers; rib-loaded silicon-on-insulator waveguides; two-dimensional taper; Loss measurement; Optical coupling; Optical device fabrication; Optical fiber couplers; Optical fiber devices; Optical fibers; Optical waveguide theory; Optical waveguides; Refractive index; Silicon; Optical device fabrication; optical fiber couplers; optical waveguides;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2005.853012