A bias condition monitor technique for the nested Mach-Zehnder modulator

Kaoru Higuma, Shingo Mori, Tetsuya Kawanishi, Masayuki Izutsu

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A nested Mach-Zehnder (MZ) modulator, which consists of two sub MZ interferometers embedded in a main MZ interferometer, is a multifunctional modulator. It can work as an optical single side-band (SSB) modulator, a differential quadrature phase shift keying (DQPSK) modulator and so on. Despite difficulties due to their complex structure, in order to avoid the operation instability of such modulators the bias condition of each MZ interferometer must be controlled automatically according to the modulation formats. In this paper, we proposed a specific bias condition monitor technique to the nested modulator.

Original languageEnglish
Pages (from-to)238-242
Number of pages5
JournalIEICE Electronics Express
Volume3
Issue number11
DOIs
Publication statusPublished - 2006 Jun 10
Externally publishedYes

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Modulators
Mach number
monitors
modulators
Mach-Zehnder interferometers
quadrature phase shift keying
Quadrature phase shift keying
format
Modulation
modulation

Keywords

  • Bias control
  • Monitoring
  • Nested MZ modulator

ASJC Scopus subject areas

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

Cite this

A bias condition monitor technique for the nested Mach-Zehnder modulator. / Higuma, Kaoru; Mori, Shingo; Kawanishi, Tetsuya; Izutsu, Masayuki.

In: IEICE Electronics Express, Vol. 3, No. 11, 10.06.2006, p. 238-242.

Research output: Contribution to journalArticle

Higuma, Kaoru ; Mori, Shingo ; Kawanishi, Tetsuya ; Izutsu, Masayuki. / A bias condition monitor technique for the nested Mach-Zehnder modulator. In: IEICE Electronics Express. 2006 ; Vol. 3, No. 11. pp. 238-242.
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