H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/17 (2006.01) H01S 3/30 (2006.01) H01S 5/04 (2006.01) H04J 14/02 (2006.01) H01S 3/067 (2006.01) H01S 3/094 (2006.01) H01S 3/0941 (2006.01)
Patent
CA 2363365
An optical transmission system comprises a plurality of cascaded Raman amplifiers which each include a number of pump sources, wherein in order to achieve a flat gain spectrum for a signal which has a number of optical channels, the plurality of pump sources has at least two different wavelength sets respectively associated with at least two different Raman amplifiers.
L'invention porte sur un système de transmission optique muni de plusieurs amplificateurs Raman en cascade dont chacun a un certain nombre de sources de pompage, et dans lequel pour obtenir une plage de gain uniforme pour un signal ayant un certain nombre de canaux optiques; la pluralité de sources de pompage a au moins deux jeux de longueurs d'onde distincts associés à au moins deux amplificateurs Raman différents.
Krummrich Peter
Neuhauser Richard
Aktiengesellschaft Siemens
Nokia Siemens Networks Gmbh & Co. Kg
Sim & Mcburney
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