Comparison of Erbium Doped Fiber Amplifier (EDFA) and Semiconductor Optical Amplifier (SOA)

Abd Zarin, Nur Aqilah Auni (2025) Comparison of Erbium Doped Fiber Amplifier (EDFA) and Semiconductor Optical Amplifier (SOA). Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This study aims to provide a comprehensive comparison between Erbium-Doped Fiber Amplifier (EDFA) and Semiconductor Optical Amplifier (SOA), focusing on their operational principles, performance characteristics, and applications in optical communication systems. we did a really thorough analysis of both types of amplifiers to see how they stack up against each other. The goal of the study was to find the good and bad points of how light gets stronger in Semiconductors and in Erbium Fiber. As we can see in the results Semiconductors with a lot of light range are better for short time application and on the other hand Erbium Fiber with a lot of strength is best for long time application. As to the needs of each system like for instance how much one can make it really big, how expensive it is or how far it can go, then Semiconductors or Erbium Fiber is determined to be the best to use. First of all, research investigations should be focused on the development of new possible configurations of optical communication next generation networks that incorporate the best elements from each of the two types of amplifiers while ensuring optimum efficiency and economy. It is widely reported, that the use of optical amplifiers in optical networks allows offering the necessary level of the system parameters throughout the increased distance of transmission. In this paper, performance comparison of different optical amplifiers and their combinations known as hybrid amplifiers were investigated in 16 channel Dense Wavelength Division Multiplexing (DWDM system. By combining the benefits of several amplifiers, high gain can be produced together for a larger bandwidth and gain at any wavelength. Performance parameters including Bit Error Rate (BER), Quality Factor, Eye Opening, Gain, and Noise Figure of the System were examined in order to compare the outcomes. For DWDM-based transmission systems, hybrid amplifiers have been found to achieve better outcomes.In order to maximize performance and economy in next-generation optical communication networks, future research should concentrate on creating hybrid systems that incorporate the advantages of both amplifier types. Known to be used in optical networks to sustain the necessary degree of system performance over extended transmission ranges are optical amplifiers.

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