Wideband Microwave Frequency Measurement Based on Unbalanced Stimulated Brillouin Scattering

被引：0
作者：
Tang, Huiyun [1 ,2 ,3 ]
Guan, Mengyuan [1 ,2 ,3 ]
Kong, Zexuan [1 ,2 ,3 ]
Li, Fangping [1 ,2 ,3 ]
Chen, Xiaoyu [1 ,2 ,3 ]
Li, Ming [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
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2025年 / 43卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Frequency measurement; Amplitude modulation; Optical fibers; Optical pulses; Frequency modulation; Optical pumping; Optical modulation; Stimulated emission; Radio frequency; Fiber optics; Frequency-to-time mapping; microwave frequency measurement; stimulated brillouin scattering; PHOTONICS; MODULATION; RANGE;
D O I：
10.1109/JLT.2024.3481881
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 wideband microwave frequency measurement approach with high precision based on unbalanced stimulated Brillouin scattering (SBS). Two unbalanced Brillouin gain spectrums (BGS) generated by single-sideband modulation are utilized to locate the unknown frequency unambiguously. The proposed scheme is theoretically analyzed and experimentally verified. Experimentally, microwave signals in a wide frequency range from 0 to similar to 33 GHz (three times Brillouin frequency shift) are precisely measured with errors of less than +/- 2 MHz only using a low frequency microwave source.
引用
收藏
页码：1106 / 1113
页数：8
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