Automatic dispersion equalization for installing high-speed optical transmission systems

被引：23
|
作者：
Tomizawa, M [1 ]
Sano, A
Yamabayashi, Y
Hagimoto, K
机构：
[1] NTT, Network Serv Syst Labs, Yokosuka, Kanagawa 239, Japan
[2] NTT, Opt Network Syst Labs, Yokosuka, Kanagawa 239, Japan
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 1998年 / 16卷 / 02期
关键词：
automatic testing; optical fiber communication; optical fiber dispersion; optical fiber measurement; tunable circuit/devices;
D O I：
10.1109/50.661008
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes an optical transmission system with automatic dispersion equalization for exploitation of the fiber capacity without additional installation cost, The system has two operational modes: "measurement-mode" wherein dispersion is measured by phase-to amplitude-modulation conversion, and "data-transmission-mode" for providing telecommunication services. Dispersion equalization is realized by the accompanying use of dispersion compensating devices and wavelength tuning to the zero-dispersion of the optical fibers, Supervisory-channel communication enables remote operation, We demonstrate a simplified system; the dispersion of a 10 Gb/s-1000 km transmission line is successfully equalized in a fully automatic manner, Equalization with the preciseness of +/-0.1 nm from the zero-dispersion wavelength provides penalty free transmission or better performance with optical input power under the Brillouin threshold.
引用
收藏
页码：184 / 191
页数：8
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