Authors: Ana O P Sousa C A F Marques R Nogueira P S André
Publish Date: 2017/01/19
Volume: 34, Issue: 1, Pages: 149-154
Abstract
The fibrefault monitoring is a crucial network element especially for passive optical networks In this work is presented and demonstrated experimentally a simplified method for the optical access network monitoring based on fibre Bragg gratings deployed near vulnerable network locations We experimentally demonstrated the use of this technique in a fourbranch PON with a maximum span of 60 km with the FBG monitors placed in several positions along the network From the experimental results the proposed method applicability is set for up to 90kmlong networks Since this method does not require active optical devices it could be applied in extended reach networks with reduced implementation costs which is an advantage to other monitoring methodsAna Sousa acknowledges Fundação para a Ciência e Tecnologia FCT for the PhD Grant SFRH/BD/61650/2009 This work was financed in the scope of UID/EEA/50008/2013 by the National Funds through the FCT/ Ministério da Educação e Ciência and by the European Regional Development Fund under the PT2020 Partnership Agreement C A F Marques also acknowledge the financial support from FCT through the fellowship SFRH/BPD/109458/2015
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