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Optical fiber amplification technology

Techologies d’Amplification Optique à Fibre

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Abstract

This part aims at giving keys to understand why erbium-doped fiber amplifiers (edfa) have revolutionized signal transmission techniques and how they can complement with Raman amplification in next generation systems. A first part is dedicated to physics basics ofedfa followed by the description of the system requirements for both terrestrial and submarine applications. Their related characteristics and second-order effects seen as possible limitations in systems will be reviewed. Future developments based on cladding-pumping or operation in the L-band and benefit of using Raman distributed amplification will be analyzed. Finally, amplification solutions dedicated to operation in new bands will be discussed as well.

Résumé

Cette partie a pour but de donner des clés afin de comprendre pourquoi les amplificateurs à fibre dopée aux terres rares (edfa) ont révolutionné les techniques de transmission de signaux et comment ils peuvent être utilisés complémentairement à l’amplification Raman dans les prochaines générations de systèmes. Une première partie est dédiée aux principes physiques à la base desedfa. Elle est suivie par la description des exigences pour les systèmes terrestres et sous-marins. Leurs caractéristiques et les effets du second ordre, vus comme de possibles limitations dans les systèmes, seront passés en revue. Les développements futurs basés sur le pompage par la gaine, le fonctionnement en bande Let l’utilisation de l’amplification Raman distribuée seront analysés. Enfin, les solutions d’amplification permettant d’opérer dans de nouvelles bandes seront discutées également.

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Correspondence to Dominique Bayart.

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Bayart, D. Optical fiber amplification technology. Ann. Télécommun. 58, 1603–1639 (2003). https://doi.org/10.1007/BF03001220

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  • DOI: https://doi.org/10.1007/BF03001220

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