Title :
Chirped grating for efficient coupling from a silicon waveguide to a vertical optical fiber
Author :
Chen, X. ; Li, C. ; Tsang, H.K.
Author_Institution :
Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Hong Kong
Abstract :
We propose and show that a linearly chirped waveguide grating can reduce reflection and increase the coupling efficiency from ~25% to ~42% for coupling light from a submicron-sized silicon waveguide to a vertical optical fiber.
Keywords :
diffraction gratings; optical fibre couplers; optical fibre fabrication; silicon; Si; coupling efficiency; grating coupler; linearly chirped waveguide grating; silicon photonics; silicon waveguide coupling; vertical optical fiber; Chirp; Costs; Fiber gratings; Optical coupling; Optical device fabrication; Optical fiber couplers; Optical fibers; Optical reflection; Optical waveguides; Silicon; chirped grating; grating coupler; silicon photonics; waveguide;
Conference_Titel :
Photonics in Switching, 2008. PS 2008. International Conference on
Conference_Location :
Sapporo
Print_ISBN :
978-1-4244-4326-0
Electronic_ISBN :
978-4-8855-2228-4
DOI :
10.1109/PS.2008.4804176
