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

fYear

2007

fDate

6-11 May 2007

Firstpage

1

Lastpage

2

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;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 2007. CLEO 2007. Conference on

Conference_Location

Baltimore, MD

Print_ISBN

978-1-55752-834-6

Type

conf

DOI

10.1109/CLEO.2007.4452739

Filename

4452739