Broadband tunable instantaneous frequency measurement system based on stimulated Brillouin scattering

被引：0
|
作者：
LIAO Weijie [1 ]
ZHANG Jiahong [1 ]
CAI Qibin [1 ]
机构：
[1] Faculty of Information Engineering and Automation, Kunming University of Science and Technology
来源：
Optoelectronics Letters | 2023年 / 19卷 / 03期
基金：
美国国家科学基金会;
关键词：
D O I：
暂无
中图分类号：
O437.2 [受激布里渊散射]; TN253 [光纤元件];
学科分类号：
0702 ; 070207 ; 0803 ;
摘要：
A broadband tunable instantaneous frequency measurement(IFM) system is designed based on the stimulated Brillouin scattering effect of the highly nonlinear fiber in which the carrier suppressed single sideband modulated signal of the Brillouin frequency shift acts as pump light. The amplitude comparison function(ACF) is constructed by the power radio of the two paths in the system. The frequency measurement range and measurement accuracy can be tuned by changing the frequency difference of the two phase modulation signals. The tunable frequency measurement ranges of 2—5 GHz, 2—10 GHz, 2—15 GHz, 2—20 GHz, and 2—24 GHz are realized, and the corresponding measurement accuracies are 3.64 d B/GHz, 2.17 d B/GHz, 1.87 d B/GHz, 1.22 d B/GHz, and 0.77 d B/GHz, respectively.
引用
收藏
页码：174 / 178
页数：5
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