Method of and device for performing bi-directional...

Details Method of and device for performing bi-directional... Method of and device for performing bi-directional...

2007-09-11

2007-09-11

Pascal, Leslie (Department: 2613)

Optical communications

Diagnostic testing

Determination of communication parameter

C398S042000, C398S092000, C398S157000, C398S072000

Reexamination Certificate

active

10124348

ABSTRACT:
Two signal lights having different wavelengths are bidirectionally transmitted on an optical-fiber transmission-line. A Raman pump light source generates a first Raman pump light having predetermined wavelengths with a Raman gain-bandwidth for amplifying the first signal light and without response to the second signal light. Another Raman pump light source generates a second Raman pump light having predetermined wavelengths with a Raman gain-bandwidth for amplifying the second signal light and without response to the first signal light. The first Raman pump light and the second Raman pump light are differently injected from respective input/output terminals into the optical-fiber transmission-line by optical combining and branching filters.

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