Hybrid graphene-silicon photonics devices. - Dries Van Thourhout; Yingtao Hu; Marianna Pantouvaki; Koen Alexander; Bart Kuyken; Steven Brems; Inge Asselberghs; Cedric Huyghebaert; Chiara Alessandri; Philippe Absil; Joris Van Campenhout (ECOC, 2015)