All-fiber frequency shifter consisting of a fiber Bragg grating modulated via an acoustic flexural wave for optical heterodyne measurement

被引：6
|
作者：
Gao, Zeyang [1 ,2 ]
Chang, Pengfa [3 ,4 ]
Huang, Ligang [5 ]
Gao, Feng [3 ,4 ]
Mao, Dong [1 ,2 ]
Zhang, Wending [1 ,2 ]
Mei, Ting [1 ,2 ]
机构：
[1] Northwestern Polytech Univ, Sch Sci, MOE Key Lab Mat Phys & Chem Extraordinary Condit, Xian 710072, Shaanxi, Peoples R China
[2] Northwestern Polytech Univ, Sch Sci, Shaanxi Key Lab Opt Informat Technol, Xian 710072, Shaanxi, Peoples R China
[3] Nankai Univ, TEDA Appl Phys Inst, MOE Key Lab Weak Light Nonlinear Photon, Tianjin 300457, Peoples R China
[4] Nankai Univ, Sch Phys, Tianjin 300457, Peoples R China
[5] Chongqing Univ, Key Lab Optoelect Technol & Syst, Minist Educ, Chongqing 400044, Peoples R China
来源：
OPTICS LETTERS | 2019年 / 44卷 / 15期
基金：
中国国家自然科学基金;
关键词：
REFLECTION; RESONANCES;
D O I：
10.1364/OL.44.003725
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present an all-fiber frequency shifter (AFFS) consisting of a fiber Bragg grating (FBG) modulated via an acoustic flexural wave for optical heterodyne measurement. The AFFS can efficiently generate the frequency-shifted signal due to the resonance peak with a high-reflection efficiency and being completely separated from the reflection spectrum of the original FBG, simultaneously. The experimental result shows that the minimal measurable vibration amplitude and the resolution of the all-fiber optical heterodyne measurement setup constructed with the AFFS are 0.06 nm and 30 pm in the region of tens to hundreds of kilohertz, respectively. (c) 2019 Optical Society of America
引用
收藏
页码：3725 / 3728
页数：4
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