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双平行马赫-曾德尔调制器产生三角形光子微波及相似度影响因素

Triangular Photonic Microwave-Signal Generation Based on Dual-Parallel Mach-Zehnder Modulator and Influence Factors of Its Similarity

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摘要

研究了谐波分量对三角形光子微波信号相似度的影响。用数值模拟方法研究了三角波形的傅里叶级数保留至不同阶次时波形与理想波形的相似性。当傅里叶分量保留至三阶时,波形与理想三角波形的相似度达到0.989。提出了一种基于双平行马赫-曾德尔调制器产生三角形光子微波信号的方法。调节系统的6个参数,使得到的基频分量和三次谐波分量的功率比值与理想三角波形的一阶和三阶傅里叶分量功率比值相等,从而得到三角形光子微波信号。实验结果显示,该系统能产生6 GHz的三角形光子微波信号。

Abstract

The influence of the high-order Fourier components of an ideal triangular microwave signal on the similarity of the triangular signals is studied here. Using the numerical simulation method, the similarity between the original ideal waveform and the simulated waveform with different orders is studied. The numerical simulation results show that the similarity between the triangular photonic microwave signal and the ideal triangular microwave can reach 0.989 when the Fourier components of the triangular photonic microwave signal are retained to the third order. A scheme based on the generation of triangular microwave signals using a dual-parallel Mach-Zehnder modulator is presented. By controlling the six parameters of the system, a triangular photonic microwave signal can be obtained when the power ratio between the fundamental frequency and the third-order harmonics of the generated signal is equal to that between the first- and third-order Fourier components of the ideal triangular waveform. The experimental results show that the system can generate triangular photonic microwave signals with a repetition rate of 6 GHz.

Newport宣传-MKS新实验室计划
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DOI:10.3788/LOP56.110602

所属栏目:光纤光学与光通信

基金项目:国家自然科学基金、贵州省教育厅青年科技人才成长项目;

收稿日期:2018-12-13

修改稿日期:2019-01-08

网络出版日期:2019-06-13

作者单位    点击查看

孙亚园:贵州大学物理学院, 贵州 贵阳 550025
白光富:贵州大学物理学院, 贵州 贵阳 550025
胡林:贵州大学物理学院, 贵州 贵阳 550025

联系人作者:白光富, 胡林(baiguangfu123@163.com, huli53@sina.com)

备注:国家自然科学基金、贵州省教育厅青年科技人才成长项目;

引用该论文

Yayuan Sun, Guangfu Bai, Lin Hu. Triangular Photonic Microwave-Signal Generation Based on Dual-Parallel Mach-Zehnder Modulator and Influence Factors of Its Similarity[J]. Laser & Optoelectronics Progress, 2019, 56(11): 110602

孙亚园, 白光富, 胡林. 双平行马赫-曾德尔调制器产生三角形光子微波及相似度影响因素[J]. 激光与光电子学进展, 2019, 56(11): 110602

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