A novel remote optical coding for PON monitoring systems using fiber bragg grating

Kelvia Aragão Fragoso (), Alisson Conceição Ferreira (), Dayse Gonçalves Correia Bandeira (), Fábio Alencar Mendonça (), Joel J. P. C. Rodrigues (), Victor Hugo C. Albuquerque () and Glendo Freitas Guimarães ()
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Kelvia Aragão Fragoso: Instituto Federal de Educação, Ciência e Tecnologia do Ceará
Alisson Conceição Ferreira: Instituto Federal de Educação, Ciência e Tecnologia do Ceará
Dayse Gonçalves Correia Bandeira: Instituto Federal de Educação, Ciência e Tecnologia do Ceará
Fábio Alencar Mendonça: Instituto Federal de Educação, Ciência e Tecnologia do Ceará
Joel J. P. C. Rodrigues: National Institute of Telecommunications
Victor Hugo C. Albuquerque: University of Fortaleza (UNIFOR)
Glendo Freitas Guimarães: Instituto Federal de Educação, Ciência e Tecnologia do Ceará

Telecommunication Systems: Modelling, Analysis, Design and Management, 2018, vol. 69, issue 1, No 2, 27-37

Abstract: Abstract The need to implement techniques to monitor optical fiber links in passive optical networks (PONs), based on the principle of reflectometry, has motivated various research projects. Such studies are especially important for networks with tree topology or hierarchical topology, due to the difficulty to determine in which specific fiber branch there was rupture. This work proposes a novel model based on fiber Bragg grating to solve the complexity in the monitoring of point-multipoint networks. This mode uses multiple access techniques by division of optical codes in phase, to monitor the PONs. The work involved developing a novel PON monitoring model to detect fiber optic branches with problems that are analyzed by means of autocorrelation of optical pulses reflected by Bragg gratings. These Bragg gratings are strategically arranged in network terminal units. The results obtained through simulations demonstrate the viability of the proposed approach applied in Bragg grating 63 chips for identifies fault, in real time, in the network with 8, 16, 32 or 63 users. The system satisfactorily demonstrated its ability to monitor PONs, using fewer Bragg gratins and couplers, compared to the other models found in the literature, such as fault location in passive optical networks using T-Optical time-domain reflectometer and wavelength-selective isolators, remote coding scheme based on waveguide Bragg grating in power line communication splitter chip for PONs monitoring, optimal fiber link fault decision for optical 2D coding-monitoring scheme in passive optical networks, and centralized PONs monitoring scheme based on optical coding.

Keywords: Fiber Bragg grating; PON failure; Monitoring; OCDMA in phase (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s11235-018-0423-7

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