Study of the amplification behaviors of LP01 and LP11 mode signal during stimulated Brillouin scattering in two-mode fiber

被引：0
|
作者：
Liang, Lingxi [1 ]
Yuan, Hang [1 ]
Tang, Kaiyuan [1 ]
Zhang, Liwei [1 ]
Zhu, Chengyu [1 ]
机构：
[1] Harbin Inst Technol, Sch Astronaut, Harbin 150080, Peoples R China
来源：
FIRST OPTICS FRONTIER CONFERENCE | 2021年 / 11850卷
基金：
中国国家自然科学基金;
关键词：
Stimulated Brillouin Scattering; Multi-mode Fiber; Mode-dependent Gain;
D O I：
10.1117/12.2599385
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
During the stimulated Brillouin scattering in multimode fiber, the Brillouin gain of different mode of the signal beam is affected by the property of both the light modes and acoustic modes in waveguides. In our study, the stimulated Brillouin scattering process in two-mode fiber is investigated, both experimentally and numerically, based on the mode characteristics of light field and acoustics field. The results indicate that the Brillouin gain of corresponding combination of signal-pump modes is determined by the overlapping area of optics-acoustic mode fields.
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页数：8
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