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Enhancing Vector Network Analysis With a Photonic Frequency Extender Setup

delete2025-01-01
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OA
AI
A
Alexander Theis
M
Michael Kocybik
M
Maris Bauer
G
Georg von Freymann
F
Fabian Friederich
DOI:10.1109/TMTT.2025.3549530delete
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摘要

摘要

En 中文
我们提出了一种用于商业矢量网络分析仪(VNA)的光子超宽带频率扩展方案,可在70至520 GHz的频率范围内进行自由空间测量,并实现赫兹级分辨率。该方案基于将连续波(CW)激光器与高度频率稳定的电子发射源同步作为参考。使用带宽高达数太赫兹(THz)的CW光混频器,能够直接将覆盖的频率范围扩展至1 THz甚至更高。例如,这可以通过在同步方案中级联额外的激光器来实现。因此,消除了当前先进VNA中所需的额外频率扩展模块,从而显著降低了系统的复杂性和成本。为展示光子矢量网络分析仪(PVNA)扩展方案的能力,我们对多种十字形带通滤波器和波导耦合高频(HF)组件进行了S21传输测量。此外,分析得到的幅度和相位数据与电磁(EM)仿真结果进行了比较,或与商业电子频率扩展模块获得的数据进行了参照。
Keyword:
Gallium arsenide (GaAs) photomixer
laser synchronization
network analysis
photonic frequency extension
photonic vector network analyzer (PVNA)
terahertz (THz) radiation

期刊

IEEE Transactions on Microwave Theory and Techniques 封面图
IEEE Transactions on Microwave Theory and Techniques
IF:
4.5
论文数:
686
被引数:
3.5W

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