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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and O. Gerstel
  • Vol. 4, Iss. 10 — Oct. 1, 2012
  • pp: 724–733

Extensive Comparisons of Optical Fast-OFDM and Conventional Optical OFDM for Local and Access Networks

E. Giacoumidis, A. Tsokanos, C. Mouchos, G. Zardas, C. Alves, J. L. Wei, J. M. Tang, C. Gosset, Y. Jaouën, and I. Tomkos  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 4, Issue 10, pp. 724-733 (2012)
http://dx.doi.org/10.1364/JOCN.4.000724


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Abstract

A performance comparison between a recently proposed novel technique known as fast orthogonal frequency-division multiplexing (FOFDM) and conventional orthogonal frequency-division multiplexing (OFDM) is undertaken over unamplified, intensity-modulated, and direct-detected directly modulated laser-based optical signals. Key transceiver parameters, such as the maximum achievable transmission capacity and the digital-to-analog/analog-to-digital converter (DAC/ADC) effects are explored thoroughly. It is shown that, similarly to conventional OFDM, the least complex and bandwidth efficient FOFDM can support up to 20 Gb/s over 500 m worst-case multimode fiber (MMF) links having 3 dB effective bandwidths of 200 MHz × km. For compensation of the DAC/ADC roll-off, a power-loading (PL) algorithm is adopted, leading to an FOFDM system improvement of 4 dB. FOFDM and conventional OFDM give similar optimum DAC/ADC parameters over 500 m worst-case MMF, while over 50 km single-mode fiber a maximum deviation of only 1 dB in clipping ratio is observed due to the imperfect chromatic dispersion compensation caused by one-tap equalizers.

© 2012 OSA

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(070.2025) Fourier optics and signal processing : Discrete optical signal processing

ToC Category:
Research Papers

History
Original Manuscript: April 9, 2012
Revised Manuscript: July 14, 2012
Manuscript Accepted: July 27, 2012
Published: September 11, 2012

Citation
E. Giacoumidis, A. Tsokanos, C. Mouchos, G. Zardas, C. Alves, J. L. Wei, J. M. Tang, C. Gosset, Y. Jaouën, and I. Tomkos, "Extensive Comparisons of Optical Fast-OFDM and Conventional Optical OFDM for Local and Access Networks," J. Opt. Commun. Netw. 4, 724-733 (2012)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-4-10-724

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