Optical transmission system

Details Optical transmission system Optical transmission system

H - Electricity

04

J

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

Patent

CA 2419539

A device wavelength division multiplex optical transmission system has the wavelengths of the optical carriers arranged so as to reduce the effect of in- band crosstalk which results from unwanted side bands to the carriers. Possible wavelengths are placed on an equally spaced wavelength grid, and the transmitted channels are organised into groups of three each of which is placed on four adjacent grid positions, one of which is unused. Adjacent groups are spaced apart by two or more vacant grid positions.

L'invention concerne un système de transmission optique à multiplexage de longueurs d'onde dans lequel les longueurs d'onde des porteuses optiques sont conçues de manière qu'elles réduisent l'effet de diaphonie intrabande résultant de bandes latérales indésirables sur les porteuses optiques. Des longueurs d'onde possibles sont placées sur une grille de longueurs d'onde équidistantes et les voies transmises sont organisées en groupes de trois, chacun de ces groupes étant placé sur quatre positions de grille adjacentes, dont l'une est inutilisée. Les groupes adjacents sont espacés d'au moins deux positions de grille vacantes.

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