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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 20 — Oct. 1, 2007
  • pp: 12965–12970

Fiber nonlinearity pre- and post-compensation for long-haul optical links using OFDM

Arthur James Lowery  »View Author Affiliations


Optics Express, Vol. 15, Issue 20, pp. 12965-12970 (2007)
http://dx.doi.org/10.1364/OE.15.012965


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Abstract

The nonlinear power limit of optical links using optical Orthogonal Frequency Division Multiplexing (OFDM) for dispersion compensation can be significantly improved using an optimum combination of nonlinearity precompensation and postcompensation. The compensation is implemented at the transmitter and at the receiver as computationally-efficient power-dependent phase shifts with a single tuning parameter. The system is robust against the exact details of the fiber plant’s dispersion and power levels. Using an optimum combination of pre and post compensation allows a 2-dB increase in launch power for 2000-km standard single-mode fiber (S-SMF) systems and 5-dB when 6 ps/nm/km fibers are used. Using pre or post compensation alone approximately halves these values.

© 2007 Optical Society of America

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: July 31, 2007
Revised Manuscript: September 9, 2007
Manuscript Accepted: September 23, 2007
Published: September 25, 2007

Citation
Arthur J. Lowery, "Fiber nonlinearity pre- and post-compensation for long-haul optical links using OFDM," Opt. Express 15, 12965-12970 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-20-12965


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