H - Electricity – 01 – S
Patent
H - Electricity
01
S
H01S 3/067 (2006.01) C03B 13/04 (2006.01) C03C 3/06 (2006.01) C03C 13/04 (2006.01) G02B 6/00 (2006.01) G02B 6/036 (2006.01)
Patent
CA 2371803
A light amplifying optical fiber capable of restricting a reduction in amplifying efficiency and non-linearity caused by the concentration quenching of erbium ions. At least one of rare earth elements, having an ion radius at least 70% and up to 130% of that of erbium and excluding erbium, for example, Yb, is added to the core portion of an erbium-ion-added light amplifying optical fiber.
La présente invention concerne une fibre optique d'amplification de lumière, pouvant limiter la réduction de l'efficacité d'amplification et la non-linéarité causées par la désactivation de concentration d'ions erbium. Au moins un des éléments des terres rares présentant un rayon ionique d'au moins 70 % et d'au plus 130 % celui de l'erbium, mais à l'exception de l'erbium, Yb par exemple, est ajouté à la partie de coeur d'une fibre optique d'amplification de lumière à ions erbium ajoutés.
Aiso Keiichi
Tashiro Yoshio
Yagi Takeshi
Freedman Gordon
The Furukawa Electric Co. Ltd.
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