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111-Gb/s polmux-quadrature duobinary for Robust and bandwidth efficient transmission

  • F. MacHi
  • , M. S. Alfiad
  • , M. Kuschnerov
  • , T. Wuth
  • , D. Van Den Borne
  • , N. Hanik
  • , H. De Waardt
  • Technical University of Munich
  • Eindhoven University of Technology
  • Universität der Bundeswehr München
  • Nokia Siemens Networks

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

We investigate, by means of simulations, polarization-multiplexed (PolMux) quadrature duobinary (QDB) as a modulation format for transmitting 111-Gb/s signals with high spectral efficiency (SE) and acceptable system complexity. We show that PolMux-QDB can be used to transmit 111-Gb/s signals with an SE of 4-b/s/Hz, but at the same time has a higher tolerance to nonlinear transmission effects and local oscillator laser linewidth compared to PolMux-16QAM at the same data rate and SE.

Original languageEnglish
Article number5432959
Pages (from-to)751-753
Number of pages3
JournalIEEE Photonics Technology Letters
Volume22
Issue number11
DOIs
StatePublished - 2010

Keywords

  • Coherent detection
  • Polarization multiplexing (PolMux)
  • Quadrature amplitude modulation (QAM)
  • Quadrature duobinary (QDB)
  • Quadrature phase-shift keying (QPSK)

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