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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editor: Keren Bergman
  • Vol. 7, Iss. 3 — Mar. 1, 2008
  • pp: 234–255

Coherent optical OFDM: has its time come? [Invited]

William Shieh, Xingwen Yi, Yiran Ma, and Qi Yang  »View Author Affiliations


Journal of Optical Networking, Vol. 7, Issue 3, pp. 234-255 (2008)
http://dx.doi.org/10.1364/JON.7.000234


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Abstract

There has been growing interest in coherent optical orthogonal frequency-division multiplexing (CO-OFDM). We aim to present the case that the time for CO-OFDM has come, in terms of the demand from today's ever-advancing optical networks and the availability of its underlying technologies. We first lay out the signal processing aspect for CO-OFDM and then show a 2×2 multiple-input-multiple-output (MIMO) OFDM representation for the single-mode fiber optical channel. Through numerical simulation and experimental demonstration, we further present and discuss various MIMO-OFDM systems focusing on their polarization-mode dispersion resilience. Among those systems, the 2×1 MIMO-OFDM configuration incorporating polarization-time coding shows promise for optical access networks and broadcast networks. Finally, another class of the frequency-domain equalization techniques, namely, incoherent or coherent optical single-carrier frequency-domain equalization (CO-SCFDE) is discussed and experimentally demonstrated.

© 2008 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1660) Fiber optics and optical communications : Coherent communications
(060.5060) Fiber optics and optical communications : Phase modulation

ToC Category:
Focus: Orthogonal-Frequency-Division Multiplexed Communications Systems and Networks

History
Original Manuscript: November 30, 2007
Revised Manuscript: January 12, 2008
Manuscript Accepted: January 15, 2008
Published: February 29, 2008

Virtual Issues
Focus Issue: Orthogonal-Frequency-Division Multiplexed Communications Systems and Networks (2008) Journal of Optical Networking

Citation
William Shieh, Xingwen Yi, Yiran Ma, and Qi Yang, "Coherent optical OFDM: has its time come? [Invited]," J. Opt. Netw. 7, 234-255 (2008)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jon-7-3-234

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