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Multieigenvalue Communication

Hari, Siddarth ; Yousefi, Mansoor I. ; Kschischang, Frank R.

Journal of lightwave technology, 2016-07, Vol.34 (13), p.3110-3117 [Periódico revisado por pares]

New York: IEEE

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  • Título:
    Multieigenvalue Communication
  • Autor: Hari, Siddarth ; Yousefi, Mansoor I. ; Kschischang, Frank R.
  • Assuntos: Dispersion ; Eigenvalues and eigenfunctions ; Encoding ; Fiber-optic communication ; Fourier transforms ; Mathematical model ; multisoliton transmission ; nonlinear Fourier transform ; Nonlinear optics ; Solitons
  • É parte de: Journal of lightwave technology, 2016-07, Vol.34 (13), p.3110-3117
  • Descrição: In the most general case, all three components-the discrete eigenvalues, the discrete spectral amplitudes, and the continuous spectrum-of the nonlinear Fourier transform of a signal can be independently modulated. This paper examines information transmission using only the discrete eigenvalues, and presents heuristic designs for multisoliton signal sets with spectral efficiencies greater than 3 b/s/Hz. The first design, called multieigenvalue position encoding, is based on an exhaustive search followed by pruning of the signal set to remove high pulsewidth or high bandwidth outliers. The second design, called trellis encoding, achieves comparable efficiencies to the fist method at much lower complexity. These multisoliton signals do not undergo any pulse broadening, but are significantly limited by bandwidth expansion if the system length is not much smaller than the dispersion length parameter. This limitation suggests that modulating the eigenvalues alone cannot address the problem of nonlinearity in commercial fiber transmission systems, and that our proposed methods are only meaningful when dispersion is very small and dominated by nonlinearity, e.g., close to the zero-dispersion wavelength at 1300 nm.
  • Editor: New York: IEEE
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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