Wang, MiMiWangAlves Junior, AntonioAntonioAlves JuniorXing, YufeiYufeiXingBogaerts, WimWimBogaerts2021-10-292021-10-292020-021094-4087https://imec-publications.be/handle/20.500.12860/36303Tolerant, broadband tunable 2x2 coupler circuitJournal articlehttps://doi.org/10.1364/OE.384018