Demonstration of a 4 x 4-port univeral linear circuit

Ribeiro, AntionioAntionioRibeiroRuocco, AlfonsoAlfonsoRuoccoVanacker, LaurentLaurentVanackerBogaerts, WimWimBogaerts2021-10-232021-10-232016-122334-2536https://imec-publications.be/handle/20.500.12860/27212Demonstration of a 4 x 4-port univeral linear circuitJournal articlehttps://www.osapublishing.org/optica/abstract.cfm?uri=optica-3-12-1348