Ultrafast all-optical switching in AlGaAs photonic crystal waveguide interferometers

Author

Szymanski, D.M. ; Jones, B.D. ; O´Brien, D. ; Skolnick, M.S. ; Roberts, J.S. ; Fox, A.M. ; Krauss, T.F.

Author_Institution

Dept. of Phys. & Astron., Univ. of Sheffield, Sheffield, UK

fYear

2009

fDate

2-4 June 2009

Firstpage

1

Lastpage

2

Abstract

We have demonstrated ultrafast switching with photonic crystals integrated into Mach-Zehnder interferometers. The nonlinearity is induced by excitation of carriers into one arm of the interferometer, and switching times as short as 3ps are achieved.

Keywords

III-V semiconductors; Mach-Zehnder interferometers; aluminium compounds; gallium arsenide; high-speed optical techniques; integrated optics; optical switches; optical waveguides; photonic crystals; AlGaAs; Mach-Zehnder interferometers; carrier excitation; nonlinearity; photonic crystal; ultrafast all-optical switching; waveguide; Interferometers; Nonlinear optics; Optical interferometry; Optical pumping; Optical refraction; Optical variables control; Optical waveguides; Photonic crystals; Refractive index; Ultrafast optics; (050.5298) Photonic crystals; (230.1150) All-optical devices; (250.5300) Optoelectronics: Photonic integrated circuits; (320.7080) Ultrafast devices;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on

Conference_Location

Baltimore, MD

Print_ISBN

978-1-55752-869-8

Electronic_ISBN

978-1-55752-869-8

Type

conf

Filename

5225808