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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 3 — Feb. 11, 2013
  • pp: 3308–3317

Extension and validation of the GN model for non-linear interference to uncompensated links using Raman amplification

Vittorio Curri, Andrea Carena, Pierluigi Poggiolini, Gabriella Bosco, and Fabrizio Forghieri  »View Author Affiliations

Optics Express, Vol. 21, Issue 3, pp. 3308-3317 (2013)

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We show the extension of the Gaussian Noise model, which describes non-linear propagation in uncompensated links of multilevel modulation formats, to systems using Raman amplification. We successfully validate the analytical results by comparison with numerical simulations of Nyquist-WDM PM-16QAM channels transmission over multi-span uncompensated links made of a single fiber type and using hybrid EDFA/Raman amplification with counter-propagating pumps. We analyze two typical high- and low-dispersion fiber types. We show that Raman amplification always induces a limited non-linear interference enhancement compared to the dominant ASE noise reduction.

© 2013 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2400) Fiber optics and optical communications : Fiber properties

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: October 25, 2012
Revised Manuscript: December 20, 2012
Manuscript Accepted: December 20, 2012
Published: February 1, 2013

Vittorio Curri, Andrea Carena, Pierluigi Poggiolini, Gabriella Bosco, and Fabrizio Forghieri, "Extension and validation of the GN model for non-linear interference to uncompensated links using Raman amplification," Opt. Express 21, 3308-3317 (2013)

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