The use of a Nyquist filter for reducing an optical signal bandwidth in a coherent QAM optical transmission

Keisuke Kasai, Jumpei Hongo, Hiroki Goto, Masato Yoshida, Masataka Nakazawa

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

By introducing a Nyquist filter, we have successfully reduced a data signal bandwidth without intersymbol interference and transmitted a polarization-multiplexed 1Gsymbol/s, 64QAM (12 Gbit/s) coherent signal over 150 km in an optical bandwidth of 1.5GHz.

Original languageEnglish
Pages (from-to)6-10
Number of pages5
JournalIEICE Electronics Express
Volume5
Issue number1
DOIs
Publication statusPublished - 2008 Jan 10

Keywords

  • Coherent transmission
  • Frequency-stabilized laser
  • Nyquist filter
  • QAM

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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