Reflectionless tilted grating couplers with improved coupling efficiency based on a silicon overlay

Li, YanLuYanLuLiLi, LianyanLianyanLiTian, BinBinTianRoelkens, GuntherGuntherRoelkensBaets, RoelRoelBaets2021-10-212021-10-212013-071041-1135https://imec-publications.be/handle/20.500.12860/22688Reflectionless tilted grating couplers with improved coupling efficiency based on a silicon overlayJournal article