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Optimization of Rayleigh-limited WDM-PONs with reflective ONU by MUX positioning and optimal ONU gain
López Pastor, Eduardo Tommy; Lázaro Villa, José Antonio; Arellano Pinilla, Cristina; Polo Querol, Víctor; Prat Gomà, Josep Joan
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. GCO - Grup de Comunicacions Òptiques
In this work, the influence of the distribution element position and the reflective optical network unit (ONU) gain in wavelength-division-multiplexing passive optical networks are reported. After the theoretical and experimental analysis, it is determined that the best crosstalk-to-signal ratio is achieved if the multiplexer is placed either in the ONU or optical light termination vicinity, and the ONU gain has a new optimum value depending on the position. Also, it is demonstrated that Rayleigh backscattering is generally irrelevant in downstream transmission.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica
Optical fiber communication
Rayleigh scattering
Xarxes de telecomunicacions òptiques
info:eu-repo/semantics/publishedVersion
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