title: Adhesively bonded Ce:YIG/SOI integrated optical circulator.
abstract: A classical 3-port optical circulator is demonstrated on the silicon-on-insulator (SOI) platform. A garnet die with a magneto-optical cerium-doped yttrium iron garnet (Ce:YIG) layer is bonded on top of a Mach-Zehnder interferometer circuit using a thin adhesive bonding layer. The power transmission between different ports is characterized in the presence of an external magnetic field, transversal to the light propagation direction. An isolation of 22 dB is measured at a wavelength of 1562 nm.
authors.affiliation: Photonics Research Group, Department of Information Technology, Ghent University, Gent, Belgium. samir.ghosh@intec.ugent.be
authors.forename: Samir
authors.initials: S
authors.lastname: Ghosh
authors.forename: Shahram
authors.initials: S
authors.lastname: Keyvaninia
authors.forename: Wim
authors.initials: W
authors.lastname: Van Roy
authors.forename: Tetsuya
authors.initials: T
authors.lastname: Mizumoto
authors.forename: Gunther
authors.initials: G
authors.lastname: Roelkens
authors.forename: Roel
authors.initials: R
authors.lastname: Baets