NDLI: On Four-Wave Mixing Suppression in Dispersion-Managed Fiber-Optic OFDM Systems With an Optical Phase Conjugation Module

Content Provider	IEEE Xplore Digital Library
Author	Pechenkin, V. Fair, I.J.
Copyright Year	1983
Abstract	Coherent optical orthogonal frequency-division multiplexed (OFDM) systems with uniform chromatic dispersion can efficaciously combat both fiber dispersion by utilizing the properties of the cyclic prefix and four-wave mixing (FWM) among the individual subcarriers via the phased-array effect in dispersive fiber links. Such excellent performance, however, often implies appreciable sacrifices in data rate, since a long cyclic prefix is required to compensate for the dispersion accumulated at the receiver. The spectral efficiency of such OFDM systems may be substantially improved by dispersion management. Dispersion-compensating fibers placed periodically along the transmission line can significantly shorten the channel memory thereby allowing a reduction in the cyclic prefix overhead. However, the FWM tolerance of such dispersion-managed (DM) links may suffer considerably. In this work, the application of optical phase conjugation (OPC) to DM OFDM systems is investigated. Several systems set-ups are considered, and the degrees of inter-subcarrier FWM suppression are estimated analytically for arbitrary dispersion map parameters. A comparison is also made against links with uniform chromatic dispersion. Despite their inherently inferior FWM tolerance properties, DM OFDM systems can be made quite competitive with the application of OPC.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	1678
Ending Page	1691
Page Count	14
File Size	2333965
File Format	PDF
ISSN	07338724
Volume Number	29
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dispersion OFDM Arrays Optical fiber communication Erbium-doped fiber amplifier Delta modulation Nonlinear optics optical phase conjugation Dispersion management fiber-optic communications four-wave mixing orthogonal frequency-division multiplexing
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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