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

页码：1917 / 1919

页数：3

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