Title :
Electrically controllable saturable absorption in hybrid graphene-silicon waveguides
Author :
Alexander, Koen ; Yingtao Hu ; Pantouvaki, Marianna ; Brems, Steven ; Asselberghs, Inge ; Gorza, Simon-Pierre ; Huyghebaert, Cedric ; Van Campenhout, Joris ; Kuyken, Bart ; Van Thourhout, Dries
Author_Institution :
IMEC, Photonics Res. Group, Ghent Univ., Ghent, Belgium
Abstract :
Electrical tunability of saturable absorption is demonstrated in a graphene/SOI hybrid waveguide. The saturation modulation depth is tunable between 0 and 2.2 dB (~0-40% decrease of absorption at saturation), with saturation powers between ~1.25-2.5 W.
Keywords :
elemental semiconductors; graphene; integrated optics; optical modulation; optical saturable absorption; optical waveguides; silicon; silicon-on-insulator; C-Si; electrical tunability; electrically controllable saturable absorption; graphene-SOI hybrid waveguide; hybrid graphene-silicon waveguides; saturation modulation depth; saturation powers; Absorption; Graphene; Modulation; Nonlinear optics; Optical attenuators; Optical waveguides; Silicon;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
