Variable-chirped microwave waveform generator based on reconfigurable microwave photonic filter
Variable-chirped microwave waveform generator based on reconfigurable microwave photonic filter
复制标题
基于可重构微波光子滤波器的可变啁啾微波波形发生器
DOI:
10.1117/1.oe.53.9.095106
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发表时间:
2014-09
影响因子:
1.3
通讯作者:
Dalei Chen, Rong Wang, Tao Pu,* Tao Fang, Peng Xiang, etc
中科院分区:
文献类型:
--
作者:
Dalei Chen, Rong Wang, Tao Pu,* Tao Fang, Peng Xiang, etc
Abstract. An optical approach to generating chirped microwave signal using a photonic microwave delay-line filter (PMDLF) with a quadratic phase response is proposed and demonstrated. In this scheme, a narrow band Gaussian pulse is used as the original signal. In order to eliminate the need for a wideband original microwave chirped-free signal, a mixer and a radio frequency signal are used to up-convert the spectrum of the original signal and the dispersion curve is tuned to minimize the attenuation caused by the fiber dispersion. Then the required frequency response can be reconstructed by a nonuniformly spaced PMDLF. Since the majority of the power of the original signal can bypass the filter, the power of the generated chirped microwave signal will be increased. A reconstruction example of a desired frequency response with a central frequency of 10 GHz is provided, and the generation of the corresponding chirped microwave signal is demonstrated by numerical simulations.
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影响因子:
3.6
作者:
Yitang Dai;J. Yao
通讯作者:
Yitang Dai;J. Yao
影响因子:
3.6
作者:
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通讯作者:
Weiner, AM
影响因子:
2.6
作者:
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影响因子:
2.6
作者:
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通讯作者:
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DOI:
10.1109/tmtt.2007.914639
发表时间:
2008-02
影响因子:
4.3
作者:
Chao Wang;J. Yao
通讯作者:
Chao Wang;J. Yao