Raman Fiber Lasers

The use of stimulated Raman scattering (SRS) as a means of amplifying signals in telecommunication systems has been demonstrated since 1976 [1]. Yet despite its advantages over erbium-doped fiber, Raman amplification was not used in the first generation of deployed optically amplified systems. One of the principal reasons for this was the lack of reliable high-power pump sources needed for Raman amplification. It was in this environment that the cascaded Raman fiber laser (RFL) was invented.

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