Symmetric >67 Gbps OFDM-IMDD based WDM access network for mitigating Rayleigh backscattering interference noise

Chien Hung Yeh*, Chi Wai Chow, Liang Yu Wei

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

In this paper, we propose a symmetric >67 Gbps/λ wavelength-division-multiplexing (WDM) access network with mitigation of Rayleigh backscattering (RB) interference noise by using the orthogonal frequency division multiplexing (OFDM) modulation and intensity modulation and direct detection (IMDD) method. According to the optimal OFDM bit-loading algorithm design, the fiber chromatic dispersion and RF fading can be improved after a length fiber connection of 20 km long. Moreover, the obtained OFDM modulation rate also can meet the forward error correction (FEC) target.

Original languageEnglish
Article number124504
JournalOptics Communications
Volume454
DOIs
StatePublished - 1 Jan 2020

Keywords

  • Intensity modulation and direct detection (IMDD)
  • OFDM modulation
  • Rayleigh backscattering (RB)
  • WDM-PON

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