Title :
Relaxation dynamics of optically generated carriers in graphene-on-silicon nitride waveguide devices
Author :
Jiaqi Wang ; Zhenzhou Cheng ; Qijie Xie ; Shu, Chester ; Hon Ki Tsang
Author_Institution :
Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, China
Abstract :
We studied the carrier relaxation dynamics in graphene-on-silicon nitride waveguides. Optically generated carriers from a quasi-continuous wave pump laser show a microsecond response time while those generated from mode-locked laser pulses exhibit accelerated relaxation dynamics.
Keywords :
graphene; laser mode locking; optical pulse generation; optical pumping; optical waveguides; silicon compounds; C-Si3N4; accelerated relaxation dynamics; graphene-on-silicon nitride waveguide devices; mode-locked laser pulses; optically generated carriers; quasicontinuous wave pump laser; Graphene; Optical pulses; Optical pumping; Optical waveguides; Probes; Silicon compounds;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
