Integrated nonlinear Mach Zehnder for 40 Gbit/s all-optical switching

Lacava, C., Strain, M.J., Minzioni, P., Cristiani, I. and Sorel, M. (2013) Integrated nonlinear Mach Zehnder for 40 Gbit/s all-optical switching. Optics Express, 21(18), p. 21587. (doi:10.1364/OE.21.021587)

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Publisher's URL: http://dx.doi.org/10.1364/OE.21.021587

Abstract

We report on the experimental demonstration of a novel silicon based fully integrated nonlinear Mach Zehnder device. A standard silicon waveguide is used as a nonlinear arm, conversely a large mode SU-8 waveguide acts as a purely linear arm. Given this asymmetry, an intensity dependent phase shift can be introduced between the two interferometric arms. Thanks to a fine tuning of the silicon arm optical properties, a low power, ultrafast, picosecond operation is demonstrated, allowing the use of this device for ultrafast all-optical signal processing in high density communication networks.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Sorel, Professor Marc and Strain, Dr Michael
Authors: Lacava, C., Strain, M.J., Minzioni, P., Cristiani, I., and Sorel, M.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Optics Express
Publisher:Optical Society of America
ISSN:1094-4087

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