Digital non-linear equalization for flexible capacity ultradense WDM channels for metro core networking

Valeria Arlunno; Xu Zhang; Knud J. Larsen; Darko Zibar; Idelfonso Tafur Monroy

doi:10.1364/OE.19.00B270

Digital non-linear equalization for flexible capacity ultradense WDM channels for metro core networking

Valeria Arlunno (Corresponding author), Xu Zhang, Knud J. Larsen, Darko Zibar, Idelfonso Tafur Monroy

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Abstract

An experimental demonstration of Ultradense WDM with advanced digital signal processing is presented. The scheme proposed allows the use of independent tunable DFB lasers spaced at 12.5 GHz for ultradense WDM PM-QPSK flexible capacity channels for metro core networking. To allocate extremely closed carriers, we demonstrate that a digital non-linear equalization allow to mitigate inter-channel interference and improve overall system performance in terms of OSNR. Evaluation of the algorithm and comparison with an ultradense WDM system with coherent carriers generated from a single laser are also reported. © 2011 Optical Society of America.

Original language	English
Pages (from-to)	B270-B276
Number of pages	7
Journal	Optics Express
Volume	19
Issue number	26
DOIs	https://doi.org/10.1364/OE.19.00B270
Publication status	Published - 2011
Externally published	Yes

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10.1364/OE.19.00B270

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Cite this

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title = "Digital non-linear equalization for flexible capacity ultradense WDM channels for metro core networking",

abstract = "An experimental demonstration of Ultradense WDM with advanced digital signal processing is presented. The scheme proposed allows the use of independent tunable DFB lasers spaced at 12.5 GHz for ultradense WDM PM-QPSK flexible capacity channels for metro core networking. To allocate extremely closed carriers, we demonstrate that a digital non-linear equalization allow to mitigate inter-channel interference and improve overall system performance in terms of OSNR. Evaluation of the algorithm and comparison with an ultradense WDM system with coherent carriers generated from a single laser are also reported. {\textcopyright} 2011 Optical Society of America.",

author = "Valeria Arlunno and Xu Zhang and Larsen, {Knud J.} and Darko Zibar and {Tafur Monroy}, Idelfonso",

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doi = "10.1364/OE.19.00B270",

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AU - Arlunno, Valeria

AU - Zhang, Xu

AU - Larsen, Knud J.

AU - Zibar, Darko

AU - Tafur Monroy, Idelfonso

N1 - 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/abstract.cfm?URI=oe-19-26-B270. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

PY - 2011

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N2 - An experimental demonstration of Ultradense WDM with advanced digital signal processing is presented. The scheme proposed allows the use of independent tunable DFB lasers spaced at 12.5 GHz for ultradense WDM PM-QPSK flexible capacity channels for metro core networking. To allocate extremely closed carriers, we demonstrate that a digital non-linear equalization allow to mitigate inter-channel interference and improve overall system performance in terms of OSNR. Evaluation of the algorithm and comparison with an ultradense WDM system with coherent carriers generated from a single laser are also reported. © 2011 Optical Society of America.

AB - An experimental demonstration of Ultradense WDM with advanced digital signal processing is presented. The scheme proposed allows the use of independent tunable DFB lasers spaced at 12.5 GHz for ultradense WDM PM-QPSK flexible capacity channels for metro core networking. To allocate extremely closed carriers, we demonstrate that a digital non-linear equalization allow to mitigate inter-channel interference and improve overall system performance in terms of OSNR. Evaluation of the algorithm and comparison with an ultradense WDM system with coherent carriers generated from a single laser are also reported. © 2011 Optical Society of America.

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DO - 10.1364/OE.19.00B270

M3 - Article

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JO - Optics Express

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