Broadband 20 Gbit/s Graphene-Si Electro-Absorption Modulator

Authors :: Chiara Alessandri
Steven Brems
Yoojin Ban
Cedric Huyghebaert
Inge Asselberghs
Joris Van Campenhout
Dries Van Thourhout
Marianna Pantouvaki
Source :: ECOC
Publication Year :: 2018
Publisher :: IEEE, 2018.
Abstract: We demonstrate a 20Gbit/s single-layer graphene EAM based on p-doped graphene on p-doped waveguide with 4.4dB extinction ratio and >15.7GHz 3dB bandwidth at OV DC bias across 70nm wavelength range.