Title :
Efficient surface normal multi-stage grating couplers in silicon based waveguides
Author :
Covey, John ; Chen, Ray T.
Author_Institution :
Microelectron. Res. Center, Univ. of Texas at Austin, Austin, TX, USA
Abstract :
A multi-stage fiber-grating coupler design is evolved from random conditions, fabricated, and tested on a silicon platform. Simultaneous input/output coupling from a standard fiber array at perfectly normal incidence yields a 59.8% efficiency per grating.
Keywords :
arrayed waveguide gratings; elemental semiconductors; optical design techniques; optical fibre couplers; optical fibre fabrication; optical fibre testing; silicon; Si; input-output coupling; multistage fiber-grating coupler design; silicon based waveguides; silicon platform; standard fiber array; surface normal multistage grating couplers; Arrayed waveguide gratings; Couplings; Fiber gratings; Gratings; Optical fiber couplers; Optical fiber devices; Si Photonics; genetic algorithm; grating coupler; normal incidence;
Conference_Titel :
Optical Interconnects Conference, 2013 IEEE
Conference_Location :
Santa Fe, NM
Print_ISBN :
978-1-4673-5061-7
Electronic_ISBN :
978-1-4673-5062-4
DOI :
10.1109/OIC.2013.6552960
