期刊 混沌光在光纤中的布里渊散射光特性  被引量:1

Brillouin Scattering Light Characteristics of Chaotic Laser in Optical Fibers

作  者:刘慧[1,2] 张建忠[1,2] 张明江[1,2] 

机构地区:[1]太原理工大学新型传感器与智能控制教育部与山西省重点实验室 [2]太原理工大学物理与光电工程学院光电工程研究所

出  处:《光学学报》2016年第4期80-87,共8页Acta Optica Sinica

Brillouin Scattering Light Characteristics of Chaotic Laser in Optical Fibers

基  金:国家自然科学基金(61377089;61227016;61527819;61205142);国家国际科技合作专项(2014DFA50870);山西省自然科学基金(2015011049)

摘  要:分析了混沌光注入功率和单模光纤长度对布里渊散射斯托克斯光线宽的影响,发现随着注入混沌光功率的增大,斯托克斯光线宽逐渐减小;当注入的混沌光功率达到一定值时,斯托克斯光线宽几乎不变。分析了注入混沌光功率和单模光纤长度对后向散射功率的影响,发现当注入混沌光功率一定时,后向散射功率随着光纤长度的增加而迅速增大,当光纤长度超过15.41 km时,后向散射功率趋于饱和。讨论了混沌受激布里渊散射光阈值的影响因素,结果表明,混沌受激布里渊散射光阈值很高,比传统的连续光注入光纤产生的受激布里渊散射阈值高约19 d B。

The effect of the chaotic laser power and the single mode fiber length on the linewidth of Brillouin backscattering Stokes light is analyzed. It is found that along with the growing of input chaotic laser power, the Stokes linewidth decreases gradually and then nearly remains unchanged when the input chaotic laser power reaches a certain value. The effect of the input power and fiber length on the backscattering light power is analyzed. It is found that under the same input chaotic laser power, the backscattering light power grows rapidly with the increase of the fiber length and then tends to be saturated when the fiber length is beyond approximately 15.41 km. The influence factors of the chaotic stimulated Brillouin backscattering light threshold are also studied. The experimental results show that the chaotic stimulated Brillouin backscattering light has a high threshold, which is approximately19 d B higher than that of the conventional continuous-wave laser.

关 键 词:光纤光学 混沌 布里渊散射 斯托克斯线宽 光纤长度 受激布里渊散射阈值 

fiber optics  chaos  Brillouin scattering  Stokes linewidth  fiber length  stimulated Brillouinscattering threshold 

分 类 号:O437[机械工程—光学工程]

 

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