Erbium Doped Fiber Amplifiers State Of Art

Abstract The field of optics has a drastic impact in the field of electronics and communication. With the rising need for higher data transfer rate optical advancements have served this purpose. Optical amplifiers play a crucial role in the amplification of signal at regular intervals to avoid loss of data. Erbium doped fiber amplifiers Erbium Doped Fiber Amplifier carry out the amplification by stimulated emission and spontaneous emission and are known to provide a higher gain when compared to other optical amplifiers in this domain. This paper throws light on state of art results of the EDFA based on several experiments to measure their gain and noise figure. It is found that it provides better results for amplification of optical signals.