Generation of Microwave Frequency Combs Based on Dual-Frequency Injected Optoelectronic Oscillator

被引:1
|
作者
Tang, Huiyun [1 ,2 ,3 ]
Kong, Zexuan [1 ,2 ,3 ]
Li, Fangping [1 ,2 ,3 ]
Chen, Xiaoyu [1 ,2 ,3 ]
Li, Ming [1 ,2 ,3 ]
Zhu, Ninghua [1 ,2 ,3 ]
Li, Wei [1 ,2 ,3 ]
机构
[1] Chinese Acad Sci, Inst Semicond, Key Lab Optoelect Mat & Devices, Beijing 100083, Peoples R China
[2] Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 100049, Peoples R China
[3] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100190, Peoples R China
基金
中国国家自然科学基金;
关键词
Bandwidth; Microwave oscillators; Microwave filters; Microwave amplifiers; Gain; Microwave theory and techniques; Band-pass filters; Dual-frequency actively mode-locked; microwave frequency combs; radar and measurement; wide spectrum bandwidth; SEMICONDUCTOR;
D O I
10.1109/JLT.2024.3395429
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
We report a dual-frequency actively mode-locked optoelectronic oscillator (AML-OEO) which can generate MFCs with more comb lines and wider spectrum bandwidth. For a traditional single-frequency AML-OEO, normally, there is a tradeoff between wider spectrum bandwidth and more comb lines. In addition, our spectrum bandwidth can also be flexibly tuned by adjusting the frequency of injection signals. The proposed scheme is theoretically analyzed and experimentally demonstrated. For the same line spacing of 661.01 kHz, experiment results show that the comb lines increase from 7 (single-frequency injection) to 73 (dual-frequency injection) within power variations of +/- 10 dB. Moreover, the spectrum bandwidth increases by similar to 9 times.
引用
收藏
页码:5522 / 5528
页数:7
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