Parallel Mach-Zehnder modulators for quadrature amplitude modulation

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

This paper describes optical quadrature amplitude modulation techniques using parallel Mach-Zehnder modulators (MZMs). Arbitrary constellations of optical signals can be generated by using a dual-parallel MZM which can independently control real and imaginary components of lightwaves, where each MZM should be driven by multi-level electric signals. Many parallel MZMs, such as quad-parallel MZMs, octet-parallel MZMs can synthesize optical multi-level signals from binary data stream generated by electronics designed for binary modulation formats. We also investigate characterization methods of parallel MZMs. Precise measurement of half-wave voltage, extinction ratio and chirp parameter of each MZM element can be achieved by using optical spectrum analysis.

Original languageEnglish
Pages (from-to)1678-1688
Number of pages11
JournalIEICE Electronics Express
Volume8
Issue number20
DOIs
Publication statusPublished - 2011
Externally publishedYes

Fingerprint

quadrature amplitude modulation
Quadrature amplitude modulation
Modulators
Mach number
modulators
binary data
constellations
octets
chirp
Spectrum analysis
format
spectrum analysis
optical communication
optical spectrum
extinction
Electronic equipment
Modulation
modulation
Electric potential
electric potential

Keywords

  • Modulation format
  • Optical modulation
  • Optical waveguide

ASJC Scopus subject areas

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

Cite this

Parallel Mach-Zehnder modulators for quadrature amplitude modulation. / Kawanishi, Tetsuya.

In: IEICE Electronics Express, Vol. 8, No. 20, 2011, p. 1678-1688.

Research output: Contribution to journalArticle

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