Optical transmission systems including signal varying...

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H01S 3/06 (2006.01) H01S 3/30 (2006.01) H04B 10/17 (2006.01) H04B 10/18 (2006.01) H01S 3/067 (2006.01) H01S 3/094 (2006.01)

Patent

CA 2363203

An optical system (10) including plural optical processing nodes (14) in optical communication via a plurality of signal varying devices (12). A first signal varying device including an optical fiber (30) configured to produce Raman scattering/gain in a signal wavelength range and a first signal variation profile. A first pump (12) with multiwavelengths output stimulates Raman scattering/gain within the signal wavelength range. A second signal varying device (12) having a second signal variation profile to produce a cumulative signal variation profile that differs from the first and second signal variation profiles.

Les systèmes optiques de la présente invention comprennent une pluralité de noeuds de traitement optiques dans une communication optique via une pluralité de dispositifs à variation de signal. Un premier dispositif à variation de signal comprend une fibre optique configurée de façon à produire un(e) gain/diffusion Raman dans une plage de longueur d'onde du signal et un premier profil de variation du signal. Une première source de pompage est configurée de façon à fournir une énergie de pompage suffisante dans une pluralité de premières longueurs d'ondes de pompage afin de stimuler un(e) gain/diffusion Raman dans la fibre optique, dans la plage de longueur d'onde du signal. Un second dispositif à variation de signal possède un second profil de variation de signal destiné à produire un profil de variation de signal de cumul différent des premier et second profils de variation de signal.

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