Power pre-emphasis for suppression of FWM in coherent optical OFDM transmission

Thai Son Le; Keith Blow; Sergei Turitsyn

doi:10.1364/OE.22.007238

Power pre-emphasis for suppression of FWM in coherent optical OFDM transmission

Thai Son Le, Keith Blow, Sergei Turitsyn

Research output: Contribution to journal › Article › peer-review

Abstract

Four-wave-mixing (FWM) due to the fiber nonlinearity is a major limiting factor in coherent optical OFDM transmission. We propose to apply power pre-emphasis, i.e. to allocate the transmitted power nonuniformly among subcarriers in order to suppress the FWM impairment. The proposed technique was numerically investigated for both single channel 15.6 Gbs CO-OFDM transmissions and 7-channel WDM transmissions, showing that up to 1 dB improvement in the system's Qfactor can be achieved without considering sophisticated power loading algorithms developed for wireless communications.

Original language	English
Pages (from-to)	7238-7248
Number of pages	11
Journal	Optics Express
Volume	22
Issue number	6
DOIs	https://doi.org/10.1364/OE.22.007238
Publication status	Published - 24 Mar 2014

Bibliographical note

© 2014 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-22-6-7238. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Keywords

OFDM coherent

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10.1364/OE.22.007238

Power pre-emphasis for suppression of FWM in coherent optical OFDM transmission
© 2014 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-22-6-7238. 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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http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-22-6-7238

Cite this

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abstract = "Four-wave-mixing (FWM) due to the fiber nonlinearity is a major limiting factor in coherent optical OFDM transmission. We propose to apply power pre-emphasis, i.e. to allocate the transmitted power nonuniformly among subcarriers in order to suppress the FWM impairment. The proposed technique was numerically investigated for both single channel 15.6 Gbs CO-OFDM transmissions and 7-channel WDM transmissions, showing that up to 1 dB improvement in the system's Qfactor can be achieved without considering sophisticated power loading algorithms developed for wireless communications.",

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Power pre-emphasis for suppression of FWM in coherent optical OFDM transmission

Abstract

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Keywords

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