Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7088
Title: Mode coupling dynamics and communication strategies for multi-core fiber systems
Authors: Chan, FYM
Lau, APT 
Tam, HY 
Keywords: Fiber design and fabrication
Fiber optics
Fiber properties
Fibers, single-mode
Microstructured fibers
Issue Date: 13-Feb-2012
Publisher: Optical Society of America
Source: Optics express, 13 Feb. 2012, v. 20, no. 4, p. 4548-4563 How to cite?
Journal: Optics express 
Abstract: The propagation dynamics of 7-core multi-core fibers (MCFs) with identical and three-types of cores are analytically derived based on the coupled-mode theory. The mode coupling dynamics can be aperiodic with transmission distance for MCF with identical cores. For MCFs with heterogeneous cores, it is found that even though signals from different core groups will not couple with each other, the coupling within their own group is significantly affected by the presence of other core groups. Joint signal processing techniques to mitigate mode coupling induced-cross-talks such as least mean square (LMS) algorithm and maximum likelihood (ML) detection are investigated and corresponding transmission performance are determined for coherent as well as intensity modulated formats. It is shown that aperiodic mode coupling in intensity modulated systems induces cross-talks that are difficult to eliminate through signal processing. The analytical insights may help in optimizing MCF designs and corresponding signal processing techniques for future high capacity MCF transmission systems.
URI: http://hdl.handle.net/10397/7088
ISSN: 1094-4087 (eISSN)
DOI: 10.1364/OE.20.004548
Rights: ©2012 Optical Society of America
This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-4-4548. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
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