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Title: Assessment and mitigation of Erbium-doped fibre amplifiers (EDFA) gain transients in hybrid wavelength division multiplexing/time division multiplexing passive optical network (WDM/TDM PON) in the presence of packet-based traffic
Author: Neto, B.
Reis, Cláudia
Dionisio, R. P.
Ferreira, J. M.
Lazaro, J. A.
Tosi-Beleffi, G.
Pinto, Armando
Nogueira, Rogério
Teixeira, António
Prat, J.
André, P. S.
Issue Date: 2010
Publisher: IET
Abstract: In this study, the authors present an innovative gain clamping method to mitigate Erbium-doped fibre amplifiers transients under bursty or packetised traffic. This method is based on a lasing technique by means of a continuous wave feedback signal reflected on a fibre Bragg grating. The clamping was assessed using on a range of re-injected powers from -30 to -5 dBm and able to fully mitigate the packet transients. The performance of the system at 2.5 and 10.0 Gb/s was appraised for different inter-packets times being observed in all cases an improvement in the Q factor. Additionally, a study that includes a characterisation of the transients (gain excursion and decaying time) with the inter-packet parameters and a comparison with theory was also presented.
Peer review: yes
ISSN: 1751-8768
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