A novel WDM monitoring method

被引：0
|
作者：
van de Bergh, MPH
van der Tol, JJGM
Dorren, HJS
机构：
[1] Eindhoven Univ Technol, Dept Elect Engn, NL-5600 MB Eindhoven, Netherlands
[2] KPN Res, NL-2260 AK Leidschendam, Netherlands
来源：
PHOTONIC NETWORK COMMUNICATIONS | 1999年 / 1卷 / 04期
关键词：
WDM; monitoring; optical cross-connect;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A novel method to monitor the performance of WDM channels in an optical network is presented by analyzing the photo-diode current of a detected optical signal. From the photo-diode current, an amplitude histogram is generated, hereafter to be called the probability density function (PDF). By analyzing the PDF information is obtained about several monitor parameters including the optical power as well as the noise-levels of the channels. A wavelength dependent attenuator has to be used to extract the monitor parameters uniquely. Experimental evidence is given to demonstrate that the method can be used to analyze at least three WDM channels simultaneously.
引用
收藏
页码：323 / 329
页数：7
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