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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 27, Iss. 14 — Jul. 15, 2009
  • pp: 2667–2677

SOA Intensity Noise Suppression in Spectrum Sliced Systems: A Multicanonical Monte Carlo Simulator of Extremely Low BER

Amirhossein Ghazisaeidi, Francesco Vacondio, Alberto Bononi, and Leslie Ann Rusch

Journal of Lightwave Technology, Vol. 27, Issue 14, pp. 2667-2677 (2009)


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Abstract

We present a thorough numerical study of intensity noise mitigation of spectrum sliced wavelength-division multiplexing (SS-WDM) systems employing a nonlinear semiconductor optical amplifier (SOA) before the modulator. Our simulator of the SS-WDM link, embedded inside a Multicanonical Monte Carlo (MMC) platform, estimates the tails of the probability density functions of the received signals down to probabilities smaller than $10^{-16}$. We introduce a new, simple, and efficient technique to handle intersymbol interference (ISI) in MMC simulations. We address the impact of optical postfiltering on SOA noise suppression performance. While previous research experimentally observed the SOA-induced noise cleaning in SS-WDM systems, this is the first complete simulator able to correctly predict the ensuing BER improvement. We measure the BER at different bit-rates and validate predicted BERs with and without post filtering.

© 2009 IEEE

Citation
Amirhossein Ghazisaeidi, Francesco Vacondio, Alberto Bononi, and Leslie Ann Rusch, "SOA Intensity Noise Suppression in Spectrum Sliced Systems: A Multicanonical Monte Carlo Simulator of Extremely Low BER," J. Lightwave Technol. 27, 2667-2677 (2009)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-27-14-2667

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