A 124.9 GHz Traveling Wave Switch Direct Modulator Using Different Switch Units

被引：0
|
作者：
Zhou, Tianchi
Gong, Sen
Liang, Shixiong [1 ]
Wang, Wei [1 ]
Zhang, Bo [2 ]
Zhang, Yaxin [2 ]
Yang, Ziciiang
机构：
[1] Hebei Semicond Res Inst, Natl Key Lab Solid State Microwave Devices & Circ, Shijiangzhuang 050051, Peoples R China
[2] Univ Elect Sci & Technol China, Yangtze Delta Reg Inst Huzhou, Huzhou Key Lab Terahertz Integrated Circuits & Sy, Huzhou 313001, Peoples R China
来源：
2023 48TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES, IRMMW-THZ | 2023年
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
D O I：
10.1109/IRMMW-THz57677.2023.10299172
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：
Terahertz direct modulator is one of the most important devices in terahertz direct modulation communication systems. In this paper, a direct modulator based on traveling wave switching scheme is designed. Its working frequency is located at 140 GHz band, and it is a second-order traveling wave switch modulator with two different switch units. In the simulation, the traveling wave switch modulator reaches an overall insertion loss of 4 dB and the on-off ratio of 24.4 dB at 125 GHz. In experiment, a 4.7 dB insertion loss and a 28.9 dB switching ratio is realized in 214.9 GHz. With the frequency changes, the on-and-off states switched and another switching ratio peak is found at 147.2 GHz.
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页数：2
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