Vector modulation technologies for high-speed optical transmission

Tetsuya Kawanishi, Takahide Sakamoto, Akito Chiba, Atsushi Kanno

研究成果: Conference contribution

5 被引用数 (Scopus)

抄録

We present lightwave modulation techniques for high-speed signal generation in digital and analogue applications. Advanced modulation formats, such as differential quadrature phase-shift-keying, amplitude- and phase-shift-keying, quadrature-amplitude-modulation etc, were investigated to obtain enhanced spectral efficiency, where Mach-Zehnder modulators (MZMs) are commonly used to control optical amplitude or phase in lightwave signals. In this presentation, we describe lightwave modulation techniques for high-speed signal generation based on integrated MZMs. By using quad-parallel MZM, high-speed optical 16-QAM signals can be synthesized, where the baud rate and bit rate were 12.5 Gbaud and 50 Gb/s. Impact of extinction-ratio (ER) of MZMs on advanced modulation formats is also discussed. Imbalance in the MZMs due to fabrication error can be compensated by using a dual-parallel MZM. ER can be higher than 70 dB.

本文言語English
ホスト出版物のタイトル2010 12th International Conference on Transparent Optical Networks, ICTON 2010
DOI
出版ステータスPublished - 2010 10 6
外部発表はい
イベント2010 12th International Conference on Transparent Optical Networks, ICTON 2010 - Munich, Germany
継続期間: 2010 6 272010 7 1

出版物シリーズ

名前2010 12th International Conference on Transparent Optical Networks, ICTON 2010

Other

Other2010 12th International Conference on Transparent Optical Networks, ICTON 2010
CountryGermany
CityMunich
Period10/6/2710/7/1

ASJC Scopus subject areas

  • Computer Networks and Communications

フィンガープリント 「Vector modulation technologies for high-speed optical transmission」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル