[Réseaux sous-marins]
Le multiplexage en longueur d'onde a permis d'accroitre sensiblement la capacité de transmission par fibre à-travers l'océan atlantique : de 1×5 Gbit/s en 1995, le chiffre atteint 42×10 Gbit/s en 2002 et aujourd'hui, des systèmes de transmission proposant jusqu'à 160×10 Gbit/s sont encours de développement. Cette évolution résulte principalement de l'augmentation de la bande d'amplification optique et de la réduction de la variation spectrale de la dispersion chromatique de la fibre. Pour les systèmes sans répéteur, l'amplification Raman distribuée a été un facteur clé pour transmettre 160×10 Gbit/s par fibre sur 380 km.
The wavelength division multiplexing technique enabled to increase drastically the transmission capacity per fiber over trans-Atlantic distances: from 1×5 Gbit/s in 1995, the figure increases up to 42×10 Gbit/s in 2001 and today, transmission systems providing up to 160×10 Gbit/s are under development. This evolution results mainly from the optical amplification bandwidth increase and the reduction of the spectral variation of the fiber chromatic dispersion. In un-repeatered submarine system, the distributed Raman amplification has been a key technology enabling a 160 ×10 Gbit/s transmission over a 380 km single fiber.
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Mot clés : Multiplexage en longueur d'onde (WDM), Dispersion chromatique, Modulation haut débit, Amplificateur optique à fibre dopé à l'erbium, Amplification Raman distribuée, Amplification déportée, Égalisation de gain, Systèmes de communications optiques, Câbles sous-marins
Olivier Gautheron 1 ; Masuo Suyama 2
@article{CRPHYS_2003__4_1_115_0, author = {Olivier Gautheron and Masuo Suyama}, title = {Submarine cable networks}, journal = {Comptes Rendus. Physique}, pages = {115--126}, publisher = {Elsevier}, volume = {4}, number = {1}, year = {2003}, doi = {10.1016/S1631-0705(03)00006-9}, language = {en}, }
Olivier Gautheron; Masuo Suyama. Submarine cable networks. Comptes Rendus. Physique, Volume 4 (2003) no. 1, pp. 115-126. doi : 10.1016/S1631-0705(03)00006-9. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/S1631-0705(03)00006-9/
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