Abstract
This paper investigated the performance of diverse optical amplifiers SOA, EDFA, Raman and hybrid amplifiers (SOA-EDFA, EDFA-EDFA, Raman-EDFA) at frequency spacing of 50GHz in 8×10Gbps WDM system. Examine the performance on the basis of output power, Q-factor, BER, and eye opening by varying distance from 20 to 200km. It is found that SOA-EDFA provides maximum output power, acceptable Q-factor, maximum eye opening and lowest BER at a distance of 100km. The impact of Raman fiber length on hybrid optical amplifier (Raman-EDFA) at 100km transmission distance has been investigated and found that hybrid optical amplifier at 10km Raman fiber length provides better output power and Q value.
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