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Optics Letters

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  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 2 — Jan. 15, 2014
  • pp: 398–401

New bounds on the capacity of the nonlinear fiber-optic channel

Ronen Dar, Mark Shtaif, and Meir Feder  »View Author Affiliations


Optics Letters, Vol. 39, Issue 2, pp. 398-401 (2014)
http://dx.doi.org/10.1364/OL.39.000398


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Abstract

We revisit the problem of estimating the nonlinear channel capacity of fiber-optic systems. By taking advantage of the fact that a large fraction of the nonlinear interference between different wavelength-division-multiplexed channels manifests itself as phase noise, and by accounting for the long temporal correlations of this noise, we show that the capacity is notably higher than what is currently assumed. This advantage translates into nearly doubling of the link distance for a fixed transmission rate.

© 2014 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(060.4510) Fiber optics and optical communications : Optical communications

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 8, 2013
Revised Manuscript: December 5, 2013
Manuscript Accepted: December 6, 2013
Published: January 15, 2014

Citation
Ronen Dar, Mark Shtaif, and Meir Feder, "New bounds on the capacity of the nonlinear fiber-optic channel," Opt. Lett. 39, 398-401 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-2-398


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References

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  12. With system parameters similar to those used for evaluating the capacity in [3] and assuming, for example, a 500 km link, the phase has been shown to be nearly constant on the scale of a few tens of symbol durations [9].

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