Dense wdm in the 1310nm band

H - Electricity – 04 – J

Patent

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Details

H04J 14/02 (2006.01) H04B 10/00 (2006.01) H04B 10/18 (2006.01)

Patent

CA 2321500

Dense wavelength division multiplexing within a 1310nm band is accomplished over a single mode fiber. Carrier wavelengths are selected from within two windows, a low subband (140) and/or a high subband (160), on either side of a guardband (120). The guardband includes the zero dispersion wavelength of a single mode fiber in the optical communication link and separates low subband and high subband within the 1310nm band. Dispersion compensation is provided for carrier signals in each dense WDM channel in the low and high subbands.

On effectue un multiplexage par répartition en longueur d'onde dense dans une bande 1310nm le long d'une fibre monomode. Les longueurs d'ondes porteuses sont sélectionnées dans deux fenêtres, une sous-bande basse (140) et/ou une sous-bande haute (160), de part et d'autre de la bande de garde (120). Cette bande de garde comprend la longueur d'onde de dispersion nulle d'une fibre monomode dans la liaison de communication optique, et sépare la sous-bande basse et la sous-bande haute dans la bande 1310nm. On corrige la dispersion des signaux porteurs dans chaque voie MRL dense dans les sous-bandes basse et haute.

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