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Dynamic Frequency Equalization using Variable Optical Tilt Filter in Radio-over-Fiber Links
Lan Liu 1,Shilie Zheng 1,Jun Ji 1,Minghui Guo 1,Xianmin Zhang 1 * #,Xiaofeng Jin 1,Hao Chi 1,Yingyin Kevin Zou 2
1.Department of Information Science and Electronic Engineering, Zhejiang University
2.Boston Applied Technologies, Inc
*Correspondence author
#Submitted by
Subject:
Funding: 教育部博士点基金（No.20060335074）
Opened online:30 July 2009
Accepted by: none
Citation: Lan Liu,Shilie Zheng,Jun Ji.Dynamic Frequency Equalization using Variable Optical Tilt Filter in Radio-over-Fiber Links[OL]. [30 July 2009] http://en.paper.edu.cn/en_releasepaper/content/34172
 
 
A dynamic frequency equalization method is essential for many radio-over-fiber (RoF) applications due to the time-varying physical surrounding around them. In this letter, a simple and easy-implemented scheme for dynamically equalizing the RoF link is proposed with the help of a tunable and reconfigurable microwave-photonic filter. A novel equipment of variable optical tilt filter (VOTF) made of transparent electro-optic ceramic material and controlled by electronic driving circuit is the key component in the filter to realize the dynamic frequency equalization. By feedback control, any expected frequency equalization can be realized with high speed. Both the experiments and results are presented in the letter, which verify the validity and flexibility of this method further.
Keywords:microwave-photonic filter;variable optical tilt filter;dynamic frequency equalization
 
 
 

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