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Symmetric and asymmetric optical multipeak solitons on a continuous wave background in the femtosecond regime

文献类型：期刊论文

作者Liu, Chong1,2; Yang, Zhan-Ying1,2; Zhao, Li-Chen1,2; Duan, Liang1,2; Yang, Guangye3; Yang, Wen-Li2,4
刊名PHYSICAL REVIEW E
出版日期2016-10-25
卷号94页码:9
ISSN号2470-0045
DOI10.1103/PhysRevE.94.042221
英文摘要We study symmetric and asymmetric optical multipeak solitons on a continuous wave background in the femtosecond regime of a single-mode fiber. Key characteristics of such multipeak solitons, such as the formation mechanism, propagation stability, and shape-changing collisions, are revealed in detail. Our results show that this multipeak (symmetric or asymmetric) mode could be regarded as a single pulse formed by a nonlinear superposition of a periodic wave and a single-peak (W-shaped or antidark) soliton. In particular, a phase diagram for different types of nonlinear excitations on a continuous wave background, including the unusual multipeak soliton, the W-shaped soliton, the antidark soliton, the periodic wave, and the known breather rogue wave, is established based on the explicit link between exact solution and modulation instability analysis. Numerical simulations are performed to confirm the propagation stability of the multipeak solitons with symmetric and asymmetric structures. Further, we unveil a remarkable shape-changing feature of asymmetric multipeak solitons. It is interesting that these shape-changing interactions occur not only in the intraspecific collision (soliton mutual collision) but also in the interspecific interaction (soliton-breather interaction). Our results demonstrate that each multipeak soliton exhibits the coexistence of shape change and conservation of the localized energy of a light pulse against the continuous wave background.
WOS关键词NONLINEAR SCHRODINGER-EQUATIONS ; SELF-FREQUENCY SHIFT ; ROGUE WAVES ; MODULATION INSTABILITY ; 3RD-ORDER DISPERSION ; FIBER-OPTICS ; COLLISIONS ; BREATHERS
资助项目National Natural Science Foundation of China (NSFC)[11475135] ; National Natural Science Foundation of China (NSFC)[11547302] ; National Natural Science Foundation of China (NSFC)[61505101] ; National Natural Science Foundation of China (NSFC)[11434013] ; National Natural Science Foundation of China (NSFC)[11425522]
WOS研究方向Physics
语种英语
WOS记录号WOS:000388438800002
出版者AMER PHYSICAL SOC
资助机构National Natural Science Foundation of China (NSFC)
源URL[http://119.78.100.186/handle/113462/43744]  
专题中国科学院近代物理研究所
通讯作者Liu, Chong
作者单位1.Northwest Univ, Sch Phys, Xian 710069, Peoples R China
2.Shaanxi Key Lab Theoret Phys Frontiers, Xian 710069, Peoples R China
3.Shanxi Med Univ, Dept Phys, Taiyuan 030001, Shanxi, Peoples R China
4.Northwest Univ, Inst Modern Phys, Xian 710069, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Chong,Yang, Zhan-Ying,Zhao, Li-Chen,et al. Symmetric and asymmetric optical multipeak solitons on a continuous wave background in the femtosecond regime[J]. PHYSICAL REVIEW E,2016,94:9.
APA Liu, Chong,Yang, Zhan-Ying,Zhao, Li-Chen,Duan, Liang,Yang, Guangye,&Yang, Wen-Li.(2016).Symmetric and asymmetric optical multipeak solitons on a continuous wave background in the femtosecond regime.PHYSICAL REVIEW E,94,9.
MLA Liu, Chong,et al."Symmetric and asymmetric optical multipeak solitons on a continuous wave background in the femtosecond regime".PHYSICAL REVIEW E 94(2016):9.

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来源：近代物理研究所

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