Wei, C.C.WeiGroen, F.F.GroenSmit, M. K.M. K.SmitMoerman, IngridIngridMoermanVan Daele, PeterPeterVan DaeleBaets, RoelRoelBaets2021-09-302021-09-301997https://imec-publications.be/handle/20.500.12860/2309Integrated optical elliptic couplers: modeling, design, and applicationsJournal article