Transmission of 4-ask optical fast OFDM with chromatic dispersion compensation

Jian Zhao*, Andrew Ellis

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We experimentally demonstrate transmission of 20-Gb/s four-amplitude- shifted-keying optical fast orthogonal frequency-division-multiplexing (F-OFDM) over various fiber lengths up to 840 km, and show that symmetric extension, instead of cyclic extension, based guard interval (GI) is required to enable chromatic dispersion (CD) compensation using one-tap equalizers after channel demultiplexing. We characterize the CD tolerance under different GI lengths and investigate the impact of fiber nonlinearity on the system performance.

Original languageEnglish
Article number6045320
Pages (from-to)34-36
Number of pages3
JournalIEEE Photonics Technology Letters
Volume24
Issue number1
Early online date17 Oct 2011
DOIs
Publication statusPublished - 1 Jan 2012

Keywords

  • Chromatic dispersion (CD) detection modulation
  • Orthogonal frequency-division multiplexing (OFDM)

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