Multidimensional LDPC-coded modulation for beyond 400 Gb/s per wavelength transmission

Hussam G. Batshon, Ivan B Djordjevic, Lei Xu, Ting Wang

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

In this letter, we propose a multidimensional low-density parity-check-coded modulation scheme suitable for use in up to 400 Gb/s per wavelength transmission, using currently available commercial components operating at 40 gigasymbols/s. We show that we can achieve multiples of the current transmission speed with negligible penalty. At the same time, using this scheme, the transmission and signal processing are done at 40 gigasymbols/s, where dealing with all the nonlinear effects is more convenient and the polarization-mode dispersion is more manageable. In addition, we show that using the proposed technique, we can achieve an improvement ranging from 3 dB over 8-quadrature-amplitude modulation (QAM) to 14 dB over 256-QAM, and an improvement of up to 9.75 dB over the 256-3D-constellation at bit-error ratio (BER) of 10-9. We also show that we can reach the 400-Gb/s aggregate rate with a coding gain of 10.75 dB at BER of 10-12.

Original languageEnglish (US)
Pages (from-to)1139-1141
Number of pages3
JournalIEEE Photonics Technology Letters
Volume21
Issue number16
DOIs
StatePublished - Aug 15 2009

Fingerprint

quadrature amplitude modulation
Quadrature amplitude modulation
Modulation
modulation
Wavelength
Polarization mode dispersion
constellations
penalties
wavelengths
signal processing
Signal processing
parity
coding
polarization

Keywords

  • High-speed optical transmission
  • Low-density parity-check (LDPC) codes
  • Multidimensional-coded modulation
  • Optical communications
  • Polarization-mode dispersion (PMD)

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials

Cite this

Multidimensional LDPC-coded modulation for beyond 400 Gb/s per wavelength transmission. / Batshon, Hussam G.; Djordjevic, Ivan B; Xu, Lei; Wang, Ting.

In: IEEE Photonics Technology Letters, Vol. 21, No. 16, 15.08.2009, p. 1139-1141.

Research output: Contribution to journalArticle

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