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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 21 — Nov. 1, 2012
  • pp: 4458–4460

Beneficial use of spectral broadening resulting from the nonlinearity of the fiber-optic channel

Eado Meron, Mark Shtaif, and Meir Feder  »View Author Affiliations

Optics Letters, Vol. 37, Issue 21, pp. 4458-4460 (2012)

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We discuss the possibility of exploiting spectral broadening resulting from fiber nonlinearity for the transmission of information. The spectral broadening induced by nonlinearity combined with the appropriate waveform can turn quadrature amplitude modulation-like constellations into frequency-shift-keying constellations over a much larger dimension. Thus, the Kerr effect can be thought of as a large dimensional mapper/modulator. A simple single-span fiber-optic link implemented over dispersion shifted fiber is assumed for the demonstration of the principle. It is shown that for a particular constellation the achievable data rates in the presence of nonlinearity can be significantly higher than the capacity characterizing a linear channel with the same input bandwidth.

© 2012 Optical Society of America

OCIS Codes
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.4080) Fiber optics and optical communications : Modulation

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: July 30, 2012
Revised Manuscript: September 7, 2012
Manuscript Accepted: September 21, 2012
Published: October 23, 2012

Eado Meron, Mark Shtaif, and Meir Feder, "Beneficial use of spectral broadening resulting from the nonlinearity of the fiber-optic channel," Opt. Lett. 37, 4458-4460 (2012)

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