Title :
A novel graphene-silicon hybrid waveguide for nonlinearity enhancement in near-infrared band
Author :
Qiang Jin ; Jiamei Lu ; Qiang Yan ; Xibin Li ; Qianyu Gao ; Shiming Gao
Author_Institution :
Centre for Opt. & Electromagn. Res., Zhejiang Univ., Hangzhou, China
Abstract :
A novel graphene-silicon hybrid waveguide is proposed to enhance the nonlinearity in near-infrared band using a MoO3 overlayer for light confinement. A four-wave mixing efficiency of -27.3 dB is numerically obtained in a 25-μm-long waveguide.
Keywords :
elemental semiconductors; graphene; molybdenum compounds; multiwave mixing; optical waveguides; silicon; C-Si; MoO3; four-wave mixing efficiency; graphene-silicon hybrid waveguide; light confinement; near-infrared band; nonlinearity enhancement; overlayer; size 25 mum; Attenuation; Chemicals; Graphene; Nonlinear optics; Optical waveguides; Refractive index;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
