Wide-range continuously tunable microwave photonic filter using high-birefringence linearly chirped fiber Bragg grating and polarization beamsplitters

被引:6
|
作者
Zhou, J. Q. [1 ]
Aditya, S. [1 ]
Shum, P. [1 ]
Xia, L. [1 ]
Parhusip, B. P. [1 ]
机构
[1] Nanyang Technol Univ, Network Technol Res Ctr, Singapore 637553, Singapore
关键词
microwave photonic filter; notch filter; continuously tunable; linearly chirped fiber Bragg grating; polarization beamsplitter; coherence free; NOTCH FILTER; SIGNALS;
D O I
10.1117/1.3059623
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A continuously tunable, coherence-free microwave photonic notch filter is proposed and demonstrated experimentally. This filter is based on two polarization beamsplitters with a high-birefringence linearly chirped fiber Bragg grating used as the tunable component. High stability is obtained. The polarization-maintaining structure is free from the random optical interference problem. By adjusting the operating wavelength, more than 5 GHz free-spectral-range tunability with 40-dB notch rejection is achieved. (C) 2009 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3059623]
引用
收藏
页数:3
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