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Nonlinear Dynamics

, Volume 93, Issue 4, pp 2379–2388 | Cite as

Spatiotemporal vector and scalar solitons of the coupled nonlinear Schrödinger equation with spatially modulated cubic–quintic–septimal nonlinearities

  • Yi-Xiang Chen
  • Li-Hao Zheng
  • Fang-Qian Xu
Original Paper
  • 107 Downloads

Abstract

The spatially modulated cubic–quintic–septimal nonlinearities and transverse modulation are introduced to study the impact on a (3 + 1)-dimensional N-coupled nonlinear Schrödinger equation. As an example, we derive two-component spatiotemporal localized mode solutions including vector multipole and vortex solitons and scalar soliton. The values of the modulation depth q and the topological charge k adjust the construction of vector and scalar solitons. If their values are both chosen as 0, scalar soliton is exhibited; if the value of the modulation depth q becomes 0 and 1, vector multipole and vortex solitons can be displayed, respectively. In two kinds of cubic–quintic–septimal nonlinear media with the transverse parabolic modulation and without transverse modulation, characteristics of vector multipole and vortex solitons and scalar soliton are discussed.

Keywords

Spatiotemporal vector and scalar solitons (3 + 1)-Dimensional coupled nonlinear Schrödinger equation cubic–quintic–septimal nonlinearities Spatial modulation 

Notes

Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 11775185).

Compliance with ethical standards

Conflicts of interest

The authors have declared that no conflict of interest exists.

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© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Electronics InformationZhejiang University of Media and CommunicationsHangzhouPeople’s Republic of China

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