Optimum Power in a Multi-Span DWDM System Limited by Non-Linear Effects

Jose Alfredo Alvarez-Chavez (Corresponding Author), Rafael Sanchez-Lara, Herman Leonard Offerhaus, Manuel May-Alarcon, Victor Golikov, Rafael Ek-Ek

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Limitations imposed by Four-Wave Mixing (FWM), Amplified Spontaneous Emission (ASE), dispersion and Stimulated Raman Scattering (SRS) on a multi-spam DWDM system are theoretically studied. In this work, expression for the linear dispersion parameter D has been defined as a function of number of channels in order to separate FWM and SRS effects and calculates both maximum fibre length and optimum power. Additionally, our simulation results consider the effect of ASE noise from Erbium Doped Fibre Amplifiers (EDFAs). This theoretical analysis yields a set of design criteria from optimized multi-span DWDM systems.
Original languageEnglish
Article number89086
Pages (from-to)337-347
Number of pages11
JournalOptics and Photonics Journal
Issue number12
Publication statusPublished - 12 Dec 2018


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