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Title: Enhanced optical gain clamping for upstream packet based traffic on hybrid WDM/TDM-PON using fiber Bragg grating
Author: Neto, B.
Klingler, A.
Reis, C.
Dionisio, R. P.
Nogueira, Rogério
Teixeira, António
André, Paulo
Keywords: Next-generation access networks
Bursty/packeted traffic
Erbium doped fiber amplifiers transients
Gain clamping
Issue Date: 2011
Publisher: Elsevier
Abstract: In this paper, we propose a method to mitigate the temporal power transients arising from Erbium doped fiber amplifiers (EDFAs) on packeted/bursty scenario. The technique, applicable on hybrid WDM/TDM-PON for extended reach, is based on a low power clamping provided by a distributed feedback (DFB) laser and a fiber Bragg grating (FBG). An improvement in the data signal Q factor was achieved keeping the clamping control signal with a low power, accompanied by a maximum reduction in the gain excursion of 1.12 dB. (C) 2010 Elsevier B.V. All rights reserved.
Peer review: yes
ISSN: 0030-4018
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