Author:
Kohli Manuel,Chelladurai Daniel,Vukovic Boris,Moor David,Bisang Dominik,Keller Killian,Messner Andreas,Buriakova Tatiana,Zervas Michael,Fedoryshyn Yuriy,Koch Ueli,Leuthold Juerg
Abstract
Efficient fiber-to-chip coupling is demonstrated for SiN photonics with simple and fabrication-tolerant amorphous silicon overlay gratings. This elegant approach offers coupling loss of only 0.43 dB and 1.11 dB with and without back-reflector, respectively.