| 简介 |
The invention relates to an apparatus, comprising a dispersion compensating fiber (132) which receives an optical signal and amplifies the optical signal by Stimulated Raman Scattering generated therein, and which compensates a dispersion given to the optical signal due to transmission through an optical fiber transmission line; and an optical amplifier optically coupled to said dispersion compensating fiber (132), including a rare earth element doped optical fiber (131-2) which further amplifies the optical signal received from the dispersion compensating fiber (132). Moreover, the invention relates to a method of processing an optical signal, comprising the steps of : transmitting the optical signal in a dispersion compensating fiber (132); amplifying the optical signal by Stimulated Raman Scattering in the dispersion compensating fiber; further transmitting the optical signal in a rare earth element doped optical fiber (131-2); and amplifying the further transmitted optical signal in the rare earth element doped optical fiber, and to a method for processing an optical signal, comprising : transmitting the optical signal through a dispersion compensating fiber to amplify the optical signal; compensating a dispersion given to the optical signal due to the transmission through an optical fiber transmission line; and generating Stimulated Raman Scattering within said dispersion compensating fiber (132) by inputting pumping light to amplify the optical signal. |
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