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 Chromatic dispersion fluctuations in optical fibers due to temperature and its effects in high-speed optical communication systems
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/5949

title: Chromatic dispersion fluctuations in optical fibers due to temperature and its effects in high-speed optical communication systems
authors: André, Paulo S.
Pinto, Armando N.
keywords: Optical communication systems
Refractive index
Optical fibers
issue date: 2005
publisher: Elsevier
abstract: Several research groups have been proposing different dispersion compensation schemes, for very high-speed (greater than or equal to40 Gbit/s) long-haul systems operating in the C-band window (1530-1563 nm) over standard single mode fibers, known as ITU-T G.652 fibers. The focus on these high chromatic dispersion fibers is due to the large amount of standard single mode fibers already installed in the field. Although several dispersion compensation techniques have proved to be successful, the long term stability of this kind of systems remains to be seen. In fact, when in the field, these high speed systems present a very unstable behavior, which is translated in large variations of the bit error rate. In order to stabilize the systems strong forward error correction codes have been used. In this work, we prove quantitatively that this inherent instability is mainly due to chromatic dispersion variations induced by temperature swings. Two models for the chromatic dispersion and chromatic dispersion slope variations with temperature are developed and validated using laboratory measurements previously published. After the effect of temperature change is analyzed in terms of eye opening penalty, it is shown that for systems operating at 40 Gbit/s and above temperature effects have to be considered in system design. (C) 2004 Elsevier B.V. All rights reserved.
URI: http://hdl.handle.net/10773/5949
ISSN: 0030-4018
publisher version/DOI: http://dx.doi.org/10.1016/j.optcom.2004.11.017
source: Optics Communications
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