Ultra-fast all-optical integrated differentiators in Bragg gratings

Rutkowska, K.A. and Duchesne, D. and Strain, M.J. and Morandotti, R. and Sorel, M. and Azaña, J.; (2010) Ultra-fast all-optical integrated differentiators in Bragg gratings. In: 2010 Photonics Global Conference, PGC 2010. IEEE. ISBN 9781424498826

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Abstract

In this work we present the design and first experimental demonstration of integrated-waveguide, ultra-fast all-optical differentiator based on π-phase-shifted Bragg gratings. Such a photonic device was achieved in deeply-side-etched Silicon-on-Insulator (SOI) ridged waveguides. High coupling coefficient, up to 1.15*10m, achieved in fabricated set of devices, allows for the wide operational bandwidth, resulting in terahertz-processing speeds, experimentally obtained on sub-millimetres length scales. Moreover, using our device, we have managed to generate sub-picosecond Hermite-Gaussian pulse waveforms. The proposed optical element, allowing for complete operations to be performed on a single chip, is a subject for many potential applications in ultra-fast data processing and analysis, giving inter alia a possibility for analog solving of differential equations. It can be also used in optical ultra-fast coding, sensing, pulse shaping and communications.

Creators(s): Rutkowska, K.A., Duchesne, D., Strain, M.J. ORCID logoORCID: https://orcid.org/0000-0002-9752-3144, Morandotti, R., Sorel, M. and Azaña, J.;
Item type:Book Section
ID code:45210
Keywords:ultra-fast, all-optical, integrated differentiators, Bragg gratings, Physics, Electrical engineering. Electronics Nuclear engineering, Physics and Astronomy(all), Electrical and Electronic Engineering
Subjects:Science > Physics
Technology > Electrical engineering. Electronics Nuclear engineering
Department:Faculty of Science > Physics > Institute of Photonics
Depositing user: Pure Administrator
Date deposited:16 Oct 2013 10:41
Last modified:23 Feb 2020 01:16
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URI:https://strathprints.strath.ac.uk/id/eprint/45210
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