A tunable and dispersion-insensitive microwave photonic filter

被引：4
|
作者：
Zhang YaMei [1 ]
Pan ShiLong [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Microwave Photon Res Lab, Coll Elect & Informat Engn, Nanjing 210016, Jiangsu, Peoples R China
来源：
SCIENCE CHINA-TECHNOLOGICAL SCIENCES | 2013年 / 56卷 / 03期
基金：
中国国家自然科学基金;
关键词：
microwave photonic filter; single sideband modulation; microwave photonics; STIMULATED BRILLOUIN-SCATTERING; SIDE-BAND MODULATION; POLARIZATION MODULATOR; NOTCH FILTER;
D O I：
10.1007/s11431-013-5136-2
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A tunable and dispersion-insensitive two-tap microwave photonic filter (MPF) with a complex coefficient is proposed and demonstrated. By simply adjusting a polarization controller (PC) in one tap, the filter can be tuned over the entire free spectral range (FSR) while keeping the shape of the filter unchanged. Because the two taps are both single-sideband (SSB) modulated, the filter has high tolerance to fiber dispersion. The transmission response of a system with 25- or 40-km single-mode fiber (SMF) was measured and compared with an MPF with one double sideband (DSB) modulation tap. The proposed MPF shows much better performance for long-distance fiber transmission.
引用
收藏
页码：603 / 607
页数：5
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