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Comptes Rendus Physique
Volume 4, n° 1
pages 41-49 (janvier-février 2003)
Doi : 10.1016/S1631-0705(03)00013-6
Received : 14 October 2002 ; 
Fiber Bragg gratings for optical telecommunications

Isabelle  Riant
Alcatel CIT Research & Innovation, route de Nozay, 91460 Marcoussis, France 


Bragg gratings photoimprinted in optical fibers have become essential for flattening the gain of amplifiers, stabilizing the wavelength of pumps or sources, and for fiber lasers. Advantages are low insertion loss, very low polarization sensitivity and an extremely flexible design. Those advantages make gratings also very attractive candidates for applications of complex filtering or precise chromatic dispersion compensation. This article briefly describes the different types of Bragg gratings as well as several examples of applications in optical telecommunications. To cite this article: I. Riant, C. R. Physique 4 (2003).


Les réseaux de Bragg photoinscrits dans les fibres optiques sont devenus indispensables pour l'égalisation du gain des amplificateurs, la stabilisation en longueur d'onde des pompes ou des sources, et pour les lasers à fibre. Leurs atouts majeurs sont de faibles pertes d'insertion, une très faible sensibilité à la polarisation et une conception extrêmement flexible. Ces atouts en font également des candidats très attractifs pour les applications de filtrage complexe ou de compensation de dispersion chromatique fine. Cet article décrit brièvement les différentes familles de réseaux de Bragg ainsi que quelques exemples d'applications dans les télécommunications optiques. Pour citer cet article : I. Riant, C. R. Physique 4 (2003).

Mots clés  : Bragg gratings ; Optical fibers ; Optical telecommunications.

Mots clés  : Réseaux de Bragg ; Fibres optiques ; Télécommunications optiques.

© 2003  Académie des sciences/Éditions scientifiques et médicales Elsevier SAS. All Rights Reserved.

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