Monolithic integration of an all-optical Mach-Zehnder demultiplexer using an asymmetric twin-waveguide structure

Author

Studenkov, P.V. ; Gokhale, M.R. ; Lin, Weisi ; Glesk, Ivan ; Prucnal, Paul R. ; Forrest, Stephen R.

Author_Institution

Dept. of Electr. Eng., Princeton Univ., NJ, USA

Volume

13

Issue

6

fYear

2001

fDate

6/1/2001 12:00:00 AM

Firstpage

600

Lastpage

602

Abstract

We demonstrate monolithic integration of a twin-waveguide Mach-Zehnder terahertz optical asymmetric demultiplexer (MZ-TOAD). The InGaAsP-InP device operates at 1.55 μm wavelength and has two semiconductor optical amplifiers in the asymmetric MZ interferometer configuration with a single control input and a built-in switching delay. A 28-ps full-width at half-maximum (FWHM) switching window with high contrast ratio for a range of control powers is obtained using a counter-propagating optical signal and control pulses.

Keywords

III-V semiconductors; Mach-Zehnder interferometers; demultiplexing equipment; gallium arsenide; indium compounds; integrated optics; optical communication equipment; optical waveguides; semiconductor optical amplifiers; 1.55 mum; InGaAsP-InP; InGaAsP-InP device; MZ-TOAD; all-optical Mach-Zehnder demultiplexer; asymmetric MZ interferometer configuration; asymmetric twin-waveguide structure; control input; control powers; control pulses; counter-propagating optical signal; monolithic integration; semiconductor optical amplifiers; switching delay; switching window; twin-waveguide Mach-Zehnder terahertz optical asymmetric demultiplexer; Integrated optics; Monolithic integrated circuits; Optical control; Optical interferometry; Optical pulses; Power semiconductor switches; Propagation delay; Pulse amplifiers; Semiconductor optical amplifiers; Stimulated emission;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/68.924035

Filename

924035