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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 21 — Oct. 12, 2009
  • pp: 18714–18729

Semi-analytical approach for performance evaluation of direct-detection OFDM optical communication systems

Tiago M. F. Alves and Adolfo V. T. Cartaxo  »View Author Affiliations

Optics Express, Vol. 17, Issue 21, pp. 18714-18729 (2009)

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A semi-analytical method to evaluate the bit error ratio (BER) in direct-detection (DD) optical fibre transmission systems employing orthogonal frequency division multiplexing (OFDM) and optically preamplified receivers is proposed. The method considers a Gaussian approach for the signal at the equalizer output and allows evaluating accurately the BER of each OFDM subcarrier for the receiver structure considered and for practical optical and electrical filters shapes, being a powerful tool to perform the optimization of these systems. The results obtained by the proposed method have shown excellent agreement with Monte Carlo estimates for DD-OFDM ultra-wideband radio signals and for two different DD-OFDM signals proposed for long-haul systems.

© 2009 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: May 7, 2009
Revised Manuscript: July 31, 2009
Manuscript Accepted: August 26, 2009
Published: October 2, 2009

Tiago M. F. Alves and Adolfo V. T. Cartaxo, "Semi-analytical approach for performance evaluation of direct-detection OFDM optical communication systems," Opt. Express 17, 18714-18729 (2009)

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