Realization of three notch bands in UWB bandpass filter based on stimulated Brillouin scattering

被引：3
|
作者：
Zhang, Qi [1 ,2 ]
Zhang, Jie [1 ]
Li, Qiang [1 ]
Wang, Yubing [1 ]
Dong, Wei [1 ]
Zhang, Xindong [1 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Jilin, Peoples R China
[2] Changchun Univ Technol, Dept Control Sci & Engn, Changchun, Jilin, Peoples R China
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2019年 / 33卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Microwave photonic; microwave photonic signal processing; stimulated Brillouin scattering; ultra-wideband filter; notch filter; MICROWAVE PHOTONIC FILTER; PHASE MODULATOR; TUNABILITY;
D O I：
10.1080/09205071.2018.1536563
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：
An Ultra-wideband (UWB) bandpass filter with three notch bands based on multi-tone waveform and Stimulated Brillouin scattering (SBS) is proposed and demonstrated. The phase modulation (PM) and tunable optical bandpass filter (TOBF) of the system are used to implement a single bandpass filter. The SBS attenuation of the multi-pump generates three notch bands and the proposed filter can efficiently reduce the interference from undesired signals at 3.5 GHz in WiMAX, 5.7 GHz in WLAN and 8 GHz in satellite. The rejection ratio of notch bands can be optimized to 36 dB, 38 dB and 35 dB.
引用
收藏
页码：215 / 225
页数：11
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