alexa Spectral Response of FWM in EDFA for Long-haul Optical
ISSN ONLINE(2320-9801) PRINT (2320-9798)

International Journal of Innovative Research in Computer and Communication Engineering
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Research Article

Spectral Response of FWM in EDFA for Long-haul Optical Communication

Lekshmi.S.R1, Sindhu.N2
  1. P.G.Scholar, Govt. Engineering College, Wayanad, Kerala, India
  2. Assistant Professor, Govt. Engineering College, Barton Hill, Kerala, India
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To eliminate the drawbacks of repeaters, optical amplifiers are used in WDM systems nowadays, which amplify the entire WDM signal directly in the optical domain itself. Yet, one of the serious issues that are faced by a WDM system is Four Wave Mixing (FWM). FWM is a nonlinear phenomenon that occurs when light of two or more different wavelengths is launched into a fiber. In this paper, comparison of different optical amplifier configurations is done and spectral response of FWM is studied. On analysing the performance of different optical amplifier configurations, it was found that Hybrid Erbium-Doped Fiber/Raman Fiber Amplifier (EDF/RFA) gives a better performance in WDM systems. Also, as the channel spacing increases, the nonlinear effect known as FWM is found to be decreasing.


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