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Microwave photonic bandpass filter based on spectrum-slicing and phase modulator 被引量：2

Microwave photonic bandpass filter based on spectrum-slicing and phase modulator
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摘要 A tunable microwave photonic bandpass filter with high mainlobe-to-sidelobe ratio (MSR) based on a phase modulator and a dispersive device is proposed. The multi-tap characteristics of the filter are realized by slicing a broadband source using a Mach-Zehnder interferometer (MZI) which results in a high MSR of 25 dB. The tunability of the filter is realized by an optical variable delay line (OVDL) in one arm of the MZI, which changes the wavelength spacing of the sliced broadband source and results in a tunable free spectrum range (FSR) of the filter. The central frequency of the bandpass filter is tunable from 10.7 GHz to 27 GHz by changing the wavelength spacing from 0.145 nm to 0.054 nm.
作者 靳胜才 张爱玲
机构地区 Key Laboratory of Film Electronics and Communication Devices of Tianjin
出处 《Optoelectronics Letters》 EI 2011年第2期113-116,共4页 光电子快报（英文版）
基金 supported by the National Natural Science Foundation of China (No.60808004) the New Century Excellent Talents in University (No.NCET-07-0611) the Tianjin Natural Science Foundation (No.08JCYBJC14500)
关键词 Bandpass filters Modulators Phase modulation 带通滤波器 相位调制器 微波光子 可调谐滤波器 自由光谱范围 波长间隔 分散设备 宽带光源
分类号 TN713.5 [电子电信—电路与系统] TN761 [电子电信—电路与系统]
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参考文献14

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同被引文献19

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二级引证文献3

Optoelectronics Letters
2011年 第2期

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