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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 30, Iss. 13 — Jul. 1, 2012
  • pp: 2047–2053

A Pragmatic Coded Modulation Scheme for High-Spectral-Efficiency Fiber-Optic Communications

Benjamin P. Smith and Frank R. Kschischang

Journal of Lightwave Technology, Vol. 30, Issue 13, pp. 2047-2053 (2012)

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A pragmatic coded modulation system is presented that incorporates signal shaping and exploits the excellent performance and efficient high-speed decoding architecture of staircase codes. Reliable communication within 0.62 bits/s/Hz of the estimated capacity (per polarization) of a system with L=2000 km is provided by the proposed system, with an error floor below 10-20. Also, it is shown that digital backpropagation increases the achievable spectral efficiencies—relative to linear equalization—by 0.55 to 0.75 bits/s/Hz per polarization.

© 2012 IEEE

Benjamin P. Smith and Frank R. Kschischang, "A Pragmatic Coded Modulation Scheme for High-Spectral-Efficiency Fiber-Optic Communications," J. Lightwave Technol. 30, 2047-2053 (2012)

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