Dispersion Estimation via Vestigial Sideband Filtering Using an Optical Delay Line Filter

被引：10

作者：

Neumann, Niels ^{[1
]}

Herschel, Reinhold ^{[2
]}

Schuster, Tobias ^{[1
]}

Plettemeier, Dirk ^{[1
]}

Schaeffer, Christian ^{[2
]}

机构：

[1] Tech Univ Dresden, Commun Lab, Chair RF & Photon, D-01062 Dresden, Germany

[2] Helmut Schmidt Univ, D-22008 Hamburg, Germany

来源：

JOURNAL OF OPTICAL COMMUNICATIONS AND NETWORKING | 2011年 / 3卷 / 02期

关键词：

Monitoring; Optical fiber dispersion; Optical filters; FIBER;

D O I：

10.1364/JOCN.3.000155

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Vestigial sideband filtering can be used for chromatic dispersion measurements. An optical delay line filter providing upper sideband (USB), lower sideband (LSB), and passband was designed for that application. The straightforward utilization is to measure the time delay between the USB and the LSB. A more practical approach is to estimate the chromatic dispersion (CD) by multiplying the USB and LSB signals in an electronic mixer and filtering out the DC component of the resulting signal. Due to the correlation between the USB and the LSB this signal is a measure for the delay between the sidebands induced by the CD. This approach was successfully demonstrated by experiments at a data rate of 10 Gbit/s. Furthermore, the properties of the optical filter influence (e. g., filter extinction) were assessed by numerical simulations.

引用

页码：155 / 161

页数：7

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