Title :
Nonreciprocal Transmission and Low-Threshold Bistability in Strongly Modulated Asymmetric Nonlinear WBGs
Author :
Fujii, Masafumi ; Takashima, Tetsuya ; Maitra, Ayan ; Leuthold, Juerg ; Freude, Wolfgang ; Poulton, Christopher
Author_Institution :
Univ. of Toyama, Toyama
Abstract :
Nonreciprocal optical bistability is numerically investigated in InGaAsP/InP nonlinear waveguide Bragg gratings having a strong and asymmetric sidewall modulation. Minimum switching power as low as 77 mW is predicted by choosing optimal switching conditions.
Keywords :
Bragg gratings; III-V semiconductors; finite difference time-domain analysis; gallium arsenide; indium compounds; nonlinear optics; optical bistability; optical materials; optical modulation; optical switches; optical waveguides; InGaAsP-InP; low-threshold bistability; modulated asymmetric nonlinear WBG; nonlinear finite-difference time-domain method; nonlinear waveguide Bragg grating; nonreciprocal optical bistability; nonreciprocal transmission; switching power; Bragg gratings; Communication switching; Finite difference methods; Frequency; Indium phosphide; Nonlinear optics; Optical bistability; Optical modulation; Optical waveguides; Time domain analysis;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452739
