光纤激光器
物理
光学
激光器
孤子
四次方程
光纤
色散(光学)
非线性系统
数学
量子力学
纯数学
作者
Ying Han,Bo Gao,Ge Wu,Jiayu Huo,Hong-Lin Wen,Yingying Li,Lie Liu,Chunyang Ma
出处
期刊:Optics Express
[The Optical Society]
日期:2023-01-05
卷期号:31 (2): 1787-1787
被引量:9
摘要
Pure-quartic solitons (PQSs) are gradually becoming a hotspot in recent years due to their potential advantage to achieve high energy. Meanwhile, the fundamental research of PQSs is still in the fancy stage, and exploring soliton dynamics can promote the development of PQSs. Herein, we comprehensively and numerically investigate the impact of saturation power, small-signal gain, and output coupler on PQS dynamics in passively mode-locked fiber lasers. The result indicates that altering the above parameters makes PQSs exhibit pulsating or creeping dynamics similar to traditional solitons. Moreover, introducing an intra-cavity filter combined with intra-cavity large fourth-order dispersion makes PQSs go through stationary, pulsating to erupting. That is, the intra-cavity filter changes PQS dynamics. These findings provide new insights into PQS dynamics in fiber lasers.
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