Gain optimization of 100 × 40 Gbps high capacity DWDM fiber optical link using hybrid amplification techniques
2020
This paper demonstrates the performance analysis of a 40-Gbps 100-channel dense wavelength division multiplexing link using a hybrid optical amplifier. The proposed optimized design of the hybrid optical amplifier which combines semiconductor optical amplifier (SoA), eErbium-doped fiber amplifier (EDFA) and Raman amplifier delivered significant flat gain across the operational spectrum, as well as for varying link lengths. During the analysis, it has been observed that the use of the hybrid optical amplifier allows the communication link length to be extended up to 100 km which otherwise is restricted in the range of 50–60 km with conventional amplification modes. For a 100-km-long fiber link, the hybrid amplification-assisted link delivered a decent gain of 16.23 dB with a bit error rate of 10−10. However, for the similar simulation parameters, SoA/EDFA-assisted link experience pronounced link performance deterioration as the link range is increased. Our proposed link was designed and analyzed using OptiSystem 14.2.
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