Back-Reflection Free Grating Couplers on Silicon-on-Insulator
Conference: ECOC 2016 - 42nd European Conference on Optical Communication
09/18/2016 - 09/22/2016 at Düsseldorf, Deutschland
Proceedings: ECOC 2016
Pages: 3Language: englishTyp: PDFPersonal VDE Members are entitled to a 10% discount on this title
Song, Jeong Hwan; Rottenberg, Xavier (IMEC, Kapeldreef 75, Leuven, 3001, Belgium)
We propose a design of novel grating couplers having low back-reflections on silicon-on-insulator (SOI) where grating trenches are asymmetrically etched. 3D-FDTD simulations show that the average back-reflection of 1dB bandwidth in the proposed grating coupler is –41dB.