H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/17 (2006.01) H01S 3/23 (2006.01)
Patent
CA 2344750
An optical amplifier for two adjacent bands of optical data channels provides gain across the entire spectrum, including the so-called dead-band, by splitting the entire input signal equally into two paths. One path is optimized to amplify one band and the other path is optimized to amplify the other. An optical delay in one path, usually the one optimized for the lower wavelength band, ensures equal optical path lengths for the two paths. The amplified signals in the two paths are then combined to yield a flat gain profile across the two bands and the gap in-between.
Un amplificateur optique pour deux bandes adjacentes de canaux de données optiques qui génère un gain à travers le spectre tout entier, y compris ce qu'on appelle la zone morte, en divisant le signal entrant au complet en deux chemins égaux. L'un des chemins est optimisé pour amplifier une bande et l'autre chemin est optimisé afin d'amplifier l'autre bande. Un retard optique sur un des chemins, habituellement celui qui est optimisé pour la bande de longueur d'onde la plus basse, assure des longueurs de chemin égales pour les deux chemins. Les signaux amplifiés dans les deux chemins sont ensuite combinés pour générer un profil de gain plat dans les deux bandes et dans l'espace entre les bandes.
Ahmadvand Nima
Hatami-Hanza Hamid
Peleton Photonic Systems Inc.
Smart & Biggar
Tellamon Photonic Networks Inc.
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