典型文献
Revealing the dynamics of intensity fluctuation transfer in a random Raman fiber laser
文献摘要：
Temporal intensity fluctuation is one of the inherent features of fiber lasers.When utilizing the fiber lasers to pump a random Raman fiber laser(RRFL),the intensity fluctuation transfer from the pump to the random lasing could affect the output performance significantly.In this paper,we comprehensively compared the spectral,tem-poral,and power characteristics of an RRFL pumped by two different fiber lasers—a temporally unstable fiber oscillator and a temporally stable amplified spontaneous emission(ASE)source.Owing to less impact of the intensity fluctuation transfer,the ASE source-pumped RRFL shows～45.3％higher maximum output power,higher spectral purity(＞99.9％)and optical signal-to-noise ratio(＞40 dB),weaker spectral broadening,and more stable temporal behavior compared to the fiber oscillator-pumped RRFL.Furthermore,based on the temporal-spatial-coupled Raman equations and the generalized nonlinear Schr?dinger equations,we numerically revealed the impact of the pump intensity fluctuations on the output characteristics of RRFLs,and found that the temporal walk-off effect played an important role in the dynamics of intensity fluctuation transfer.This work may provide a reference for designing and implementing high-performance RRFLs and promote their practicability in sensing,telecommunications,and high-power applications.
文献关键词：
中图分类号：
作者姓名：
JUN YE;XIAOYA MA;YANG ZHANG;JIANGMING XU;HANWEI ZHANG;TIANFU YAO;JINYONG LENG;PU ZHOU
作者机构：
College of Advanced Interdisciplinary Studies,National University of Defense Technology,Changsha 410073,China
文献出处：
引用格式：
[1]JUN YE;XIAOYA MA;YANG ZHANG;JIANGMING XU;HANWEI ZHANG;TIANFU YAO;JINYONG LENG;PU ZHOU-.Revealing the dynamics of intensity fluctuation transfer in a random Raman fiber laser)[J].光子学研究（英文）,2022(03):618-627
A类：
RRFL,RRFLs
B类：
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AB值：
0.475306
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