Simple, low fluctuation voltage signal generation for 8-Gb/s quadrature amplitude modulation using dual-parallel Mach-Zehnder modulator

Akito Chiba, Takahide Sakamoto, Tetsuya Kawanishi, Masayuki Izutsu

研究成果: Article

3 引用 (Scopus)

抄録

Optical quadrature amplitude modulation (QAM) has attracted considerable attention because of its high spectral efficiency. For high capacity, the modulation rate should also be enhanced, which requires the generation of high-baud-rate multilevel electric signals with high precision in amplitude. In this paper, we describe a method to reduce the amplitude fluctuation of the electric signal by adopting a return-to-zero (RZ) format. We also demonstrate 2.0-Gbaud optical QAM signal generation with a conventional dual-parallel Mach-Zehnder modulator (DPMZM) driven by the electric RZ data signals.

元の言語English
ページ(範囲)497-502
ページ数6
ジャーナルIEICE Electronics Express
5
発行部数14
DOI
出版物ステータスPublished - 2008 7 25
外部発表Yes

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quadrature amplitude modulation
Quadrature amplitude modulation
Modulators
Mach number
modulators
Electric rates
Electric potential
electric potential
Modulation
format
modulation

ASJC Scopus subject areas

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

これを引用

Simple, low fluctuation voltage signal generation for 8-Gb/s quadrature amplitude modulation using dual-parallel Mach-Zehnder modulator. / Chiba, Akito; Sakamoto, Takahide; Kawanishi, Tetsuya; Izutsu, Masayuki.

:: IEICE Electronics Express, 巻 5, 番号 14, 25.07.2008, p. 497-502.

研究成果: Article

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AU - Izutsu, Masayuki

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