An Advanced Direct Detection Receiver Model

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9 Scopus citations


An advanced receiver model for the optically amplified communication system (based on EDFA, Raman or hybrid Raman/EDF amplifiers) is proposed. It is independent on modulation scheme, pulse shape, type of electrical filter and type of optical filter. The channel is modeled as a stationary additive noise channel with memory (intersymbol interference-ISI), with the noise at its arbitrary statistics. The validity of the model is verified by Monte Carlo simulations for different modulation schemes like non return to zero (NRZ), return to zero (RZ), chirped return to zero (CRZ) and carrier suppressed return to zero (CSRZ) with respect to the amplifier spontaneous emission (ASE) noise. An excellent agreement is obtained for the all considered schemes.

Original languageEnglish (US)
Pages (from-to)6-9
Number of pages4
JournalJournal of Optical Communications
Issue number1
StatePublished - Feb 2004

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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