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Novel design tools enabling to predict the quality of transmission and to design optical networks modulated at 10, 40, and 100Gb/s

Abstract : Over the last few decades, optical fibre has become the preferred medium for conveying data across cities, regions, nations, continents, oceans, owing to its very low attenuation and its very large bandwidth. Laboratory but also commercial Wavelength-Division Multiplexed systems offer multi-Terabit/s capacity based on 10, 40 or even 100Gb/s-modulated channels propagating at different wavelengths over more than a thousand kilometres in order to cope with the increase of the data traffic. Yet, an efficient design of high speed optical transmission systems or optical networks at lowest cost with ever increased throughput or reach is a big challenge. It requires a very subtle knowledge of the interplay of multiple linear and nonlinear physical phenomena. Besides, the infrastructure of optical networks is highly heterogeneous with a usually high impact of legacy systems. Eventually, when building a novel network or upgrading a network, the system designer has only a partial knowledge of the physical features of the deployed infrastructure. To master such complexity in a reasonable time scale, the design and the expected physical performance of transmission systems generally strongly rely on tools derived from physics laws and observations. This manuscript particularly addresses such issues: based on studies conducted over the years 2000 to 2010 to understand and quantify the accumulation of Kerr nonlinearities in transmission systems with bit-rates ranging from 10 to 100Gb/s, we introduce novel tools that aim to rapidly and accurately predict the quality of transmission of heterogeneous terrestrial optical networks impacted by multiple propagation effects and to help optimizing the system design such as the subtle distribution of chromatic dispersion accumulation over the links or the setting of optical amplifiers.
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https://pastel.archives-ouvertes.fr/pastel-00678415
Contributor : Jean-Christophe Antona <>
Submitted on : Monday, March 12, 2012 - 5:26:33 PM
Last modification on : Friday, July 31, 2020 - 10:44:09 AM
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Jean-Christophe Antona. Novel design tools enabling to predict the quality of transmission and to design optical networks modulated at 10, 40, and 100Gb/s. Optics / Photonic. Télécom ParisTech, 2011. English. ⟨pastel-00678415⟩

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