H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/17 (2006.01) H01S 3/067 (2006.01) H01S 3/102 (2006.01) H01S 3/30 (2006.01)
Patent
CA 2433761
There is provided in an optical amplifier device used for a system in which a power transfer takes place from comparatively short wavelength signal to a comparatively long wavelength signal. The device includes an amplifier stage coupled to an optical transmission medium, a monitor monitoring a status of a first band; and a pump light source unit supplying at least one first pump light to the optical transmission medium on the basis of the status of the first band monitored, so that the above at least one first pump light supplies additional power to longer wavelength channels related to the status of the first band.
Cette invention concerne un dispositif d'amplification optique utilisé pour un système dans lequel un transfert de puissance a lieu entre un signal de longueur d'onde relativement courte et un signal de longueur d'onde relativement importante. Ce dispositif comprend un étage d'amplification couplé à un support de transmission optique, un écran qui surveille l'état d'une première bande et une unité de pompage de source lumineuse qui fournit au moins une première lumière de pompage au support de transmission optique en fonction de l'état de la première bande surveillée de sorte qu'au moins ladite première lumière de pompage fournit un supplément d'énergie aux canaux à longueur d'onde plus importante en rapport avec l'état de la première bande.
Hainberger Rainer
Terahara Takafumi
Fetherstonhaugh & Co.
Fujitsu Limited
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