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Effect of Optical Amplifiers on the Performance of SCM Radio over Fiber Systems

Abstract A bidirectional subcarrier multiplexing (SCM)-radio-over-fiber(RoF) network is proposed. In this paper, SCM RoFlink is analyzed with and without optical amplifier. The response of the system is studied for semiconductor optical amplifier (SOA), erbium-doped fiber amplifier (EDFA) and Raman amplifier. The results for the same are compared and then the appropriate amplifier is selected and the required gain for the optimal performance of the system is reported.