Title :
All-optical switching with cascaded two-stage MZIs using saturable absorption accompanied by refractive-index change in graphene
Author :
Takahashi, Misaki ; Kishikawa, Hiroki ; Goto, Nobuo ; Yanagiya, Shin-ichiro
Author_Institution :
Dept. of Opt. Sci. & Technol., Univ. of Tokushima, Tokushima, Japan
Abstract :
An all-optical switch using saturable absorption that accompanies refractive-index change in graphene films is proposed. Effective switching conditions are theoretically derived for arbitrary values of absorption and refractive-index change.
Keywords :
Mach-Zehnder interferometers; graphene; optical saturable absorption; optical switches; refractive index; thin films; C; Mach-Zehnder interferometers; all-optical switching; cascaded two-stage MZI; effective switching conditions; graphene films; refractive-index change; saturable absorption; Absorption; Graphene; Nonlinear optics; Optical attenuators; Optical interferometry; Optical switches;
Conference_Titel :
Photonics Conference (IPC), 2014 IEEE
Conference_Location :
San Diego, CA
DOI :
10.1109/IPCon.2014.6995271
