激光与光电子学进展, 2019, 56 (16): 162901, 网络出版: 2019-08-05
少模光纤受激布里渊散射效应理论研究 
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Stimulated Brillouin Scattering in Few-Mode Fiber
图 & 表
图 1. LP01-LP01模式对的声光耦合系数与增益谱。(a)归一化声光耦合系数;(b) SBS增益谱
Fig. 1. Acousto-optic coefficients and Brillouin gain spectra of LP01-LP01 mode pair. (a) Normalized acousto-optic coefficients; (b) Brillouin gain spectra
图 2. LP01-LP11模式对的声光耦合系数与增益谱。(a)归一化声光耦合系数;(b) SBS增益谱
Fig. 2. Acousto-optic coefficients and Brillouin gain spectra of LP01-LP11 mode pair. (a) Normalized acousto-optic coefficients; (b) Brillouin gain spectra
图 3. LP11a-LP11a模式对的声光耦合系数与增益谱。(a)归一化声光耦合系数;(b) SBS增益谱
Fig. 3. Acousto-optic coefficients and Brillouin gain spectra of LP11a-LP11a mode pair. (a) Normalized acousto-optic coefficients; (b) Brillouin gain spectra
图 4. LP11a-LP11b模式对的声光耦合系数与增益谱。(a)归一化声光耦合系数;(b) SBS增益谱
Fig. 4. Acousto-optic coefficients and Brillouin gain spectra of LP11a-LP11b mode pair. (a) Normalized acousto-optic coefficients; (b) Brillouin gain spectra
图 5. 不同模式对的布里渊相移谱
Fig. 5. Brillouin phase shift spectra of different pump-signal mode pairs
图 6. SBS抽运光调制FWM信号光相位示意图
Fig. 6. Schematic of FWM signal phase modulation induced by SBS pump
图 7. 模间FWM相位失配因子和对应SBS相频特性对信号光的补偿。(a) Δβ随信号光的频率变化; (b) SBS相移产生的补偿随抽运-信号光频率差的关系
Fig. 7. Inter-mode FWM phase mismatch factor and corresponding compensation induced by SBS phase shift. (a) Δβ versus signal frequency; (b) compensation induced by SBS phase shift versus pump-signal frequency difference
表 1两模阶跃折射率光纤各参数
Table1. Parameters for two-mode step-index fiber
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表 2不同抽运光-信号光模式对的q值
Table2. q value of different pump-signal mode pairs
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王旭, 秦祖军, 熊显名, 张文涛. 少模光纤受激布里渊散射效应理论研究[J]. 激光与光电子学进展, 2019, 56(16): 162901. Xu Wang, Zujun Qin, Xianming Xiong, Wentao Zhang. Stimulated Brillouin Scattering in Few-Mode Fiber[J]. Laser & Optoelectronics Progress, 2019, 56(16): 162901.
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