A Simple and Tunable Single-Bandpass Microwave Photonic Filter of Adjustable Shape

被引：17
|
作者：
Zhu, Kun [1 ]
Ou, Haiyan [1 ]
Fu, Hongyan [1 ]
Remb, Edvin [1 ,2 ,3 ,4 ]
He, Sailing [1 ,2 ,3 ,4 ]
机构：
[1] Zhejiang Univ, Ctr Opt & Electromagnet Res, Hangzhou 310058, Zhejiang, Peoples R China
[2] Royal Inst Technol, Joint Res Ctr Photon, Stockholm, Sweden
[3] Zhejiang Univ, Hangzhou, Zhejiang, Peoples R China
[4] Royal Inst Technol, Sch Elect Engn, Div Electromagnet Engn, S-10044 Stockholm, Sweden
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2008年 / 20卷 / 21-24期
基金：
中国国家自然科学基金;
关键词：
Cascaded optical structures; microwave photonic filter; microwave photonics; photonic signal processing;
D O I：
10.1109/LPT.2008.2004718
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：
A simple and tunable single-hand pass microwave photonic filter of adjustable shape is proposed and experimentally demonstrated. The filter is based on multiple sources (spectrum-sliced by a Mach-Zehnder interferometer) and two cascaded incoherent optical structures, namely, a dispersion medium of 50-km single-mode fiber and a fiber ring delay line. In the experimental range from 1.0 to 3.8 GHz, a discretely tunable single-hand pass filter with a high Q-factor or a flat-top response is achieved by carefully matching the transfer functions of the two individual optical structures.
引用
收藏
页码：1917 / 1919
页数：3
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