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首页> 外文期刊>Applied optics >Tunable all-optical single-bandpass photonic microwave filter based on spectrally sliced broad optical source and phase modulation
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Tunable all-optical single-bandpass photonic microwave filter based on spectrally sliced broad optical source and phase modulation

机译：基于光谱切片宽光源和相位调制的可调谐全光单带通光子微波滤波器

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摘要

A tunable all-optical single-bandpass photonic microwave filter (PMF) based on spectrally sliced broadband optical source and phase modulation is proposed and experimentally demonstrated. A broadband optical source and a Mach-Zehnder interferometer (MZI) are used to generate continuous optical spectral samples, which are employed to form a finite impulse response filter with a single-bandpass response with the help of a single-mode fiber. A phase modulator is then adopted to eliminate the baseband components in the filtering response. The center frequency of the PMF can be tuned by changing the free spectral range of the MZI. An experiment is performed, and the results demonstrate that the proposed PMF has a single-bandpass without baseband components and a tuning range of 5-15 GHz.
机译：提出并实验证明了一种基于光谱切片宽带光源和相位调制的可调谐全光单带通光子微波滤波器（PMF）。宽带光源和Mach-Zehnder干涉仪（MZI）用于生成连续的光谱样本，这些样本被用来在单模光纤的帮助下形成具有单带通响应的有限脉冲响应滤波器。然后采用相位调制器消除滤波响应中的基带成分。可以通过更改MZI的自由频谱范围来调整PMF的中心频率。进行了实验，结果表明所提出的PMF具有不带基带分量的单带通，并且调谐范围为5-15 GHz。

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