Process and device for amplifying channels demapped from a...

Details Process and device for amplifying channels demapped from a... Process and device for amplifying channels demapped from a...

H - Electricity

04

B

H04B 10/17 (2006.01) H04B 10/158 (2006.01) H04J 14/02 (2006.01)

Patent

CA 2202543

In order to optimize the use of amplification equipment (OA1, OA2) in a device for demapping channels from a wavelength multiplex (E), the following successive operations are performed: an initial amplification (OA1) with an initial gain, wavelength selection, and a second amplification (OA2) with a second gain. The first and second gains ensure that the optical output signal (5) has both a fixed noise to signal ratio and a set optical power. Applicable specifically to optical transmission networks.

Afin d'optimiser l'utilisation des moyens d'amplification (OA1, OA2) d'un dispositif d'extraction de canaux d'un multiplex de longueurs d'onde (E), on effectue successivement - une première amplification (OA1) avec un premier gain, - une sélection de longueur d'onde et - une seconde amplification (OA2) avec un second gain. Les premier et second gains assurent au signal optique de sortie (5) respectivement un rapport signal à bruit fixé et une puissance optique déterminée. Application notamment aux réseaux de transmission optique.

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