Continuous-Wave Photonic Terahertz Frequency Synthesis for Spectrum and Vector Network Analysis

被引：0
作者：
Theis, Alexander [1 ]
Kocybik, Michael [1 ]
von Freymann, Georg [2 ,3 ]
Friederich, Fabian [1 ]
机构：
[1] Fraunhofer Inst Ind Math ITWM, Ctr Mat Characterizat & Testing, D-67663 Kaiserslautern, Germany
[2] Univ Kaiserslautern Landau RPTU, Dept Phys, D-67663 Kaiserslautern, Germany
[3] Univ Kaiserslautern Landau RPTU, Res Ctr OPTIMAS, D-67663 Kaiserslautern, Germany
来源：
2024 49TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES, IRMMW-THZ 2024 | 2024年
关键词：
Continuous-wave (CW) photoconductive antennas (PCA); GaAs photomixers; hybrid system; optoelectronic; phase-locking; spectrum analysis (SA); vector network analysis (VNA); frequency extenders; terahertz (THz) radiation;
D O I：
10.1109/IRMMW-THz60956.2024.10697860
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Currently, commercially available electronic Spectrum Analyzers (SA) and Vector Network Analyzers (VNA) can operate up to 1.5 THz using frequency extender modules. However, achieving coverage from 0.09 THz to 1.5 THz requires at least 7 different extension modules, significantly driving up costs. To address these limitations, we propose a cost-effective and adaptable photonic frequency synthesis setup for precise measurements in the terahertz range. Our approach combines the exceptional frequency stability of high-frequency electronics as a reference to synchronize the beat signals of continuous-wave lasers. Through the synchronization of laser pairs in a cascaded manner, our system can be tailored to function as a single ultra-wideband frequency extension for commercial SA and VNA devices.
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