Fiber optic subcarrier transmission systems using coherence multiplexing techniques for broad-band distribution networks

Hideyuki Uehara, Iwao Sasase, Mitsuo Yokoyama

研究成果: Article

2 引用 (Scopus)

抜粋

Fiber optic subcarrier transmission system using coherence multiplexing techniques for broad-band distribution networks is proposed. This system makes it possible to improve the laser linewidth requirement and also to eliminate the effect of intermodulation distortion (IMD) which is serious problem in subcarrier multiplexed (SCM) system. In the proposed system, the frequency difference, /o, between the reference light and the signal light makes it possible to generate the broadband FM signal after photodetecting. Thus, an increase in the modulation index provides a corresponding increase in receiver sensitivity. We analyze the fundamental performance of the proposed system and derive the signal-to-noise ratio (SNR) at the output of FM demodulator by taking the threshold effect and spike noise into account. The proposed system can achieve the total capacity in excess of 10GHz, and thus it is attractive for multichannel broad-band distribution networks.

元の言語English
ページ(範囲)1027-1034
ページ数8
ジャーナルIEICE Transactions on Communications
E80-B
発行部数7
出版物ステータスPublished - 1997 1 1

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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