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Higher-charged vortex solitons in harmonic potential

Author

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  • Liu, Dongshuai
  • Gao, Yanxia
  • Fan, Dianyuan
  • Zhang, Lifu

Abstract

By introducing external harmonic potential confinement, we investigate the stability of higher-charged vortex solitons in competing cubic–quintic nonlinear medium. Vortex solitons with higher charges (m > 5) become robust in harmonic potential. There are two coexisting branches of different power at the same propagation constant domain. Intriguingly, if topological charge m > 1, we find the inferior branch of solitons is completely unstable, while the superior branch of solitons still exists interval of stability with the enhancement of competing nonlinearity. From the perspective of the numerical results, it reveals a novel approach to access optical vortex mode with higher topological charge.

Suggested Citation

  • Liu, Dongshuai & Gao, Yanxia & Fan, Dianyuan & Zhang, Lifu, 2023. "Higher-charged vortex solitons in harmonic potential," Chaos, Solitons & Fractals, Elsevier, vol. 171(C).
    • Handle: RePEc:eee:chsofr:v:171:y:2023:i:c:s0960077923003235
    DOI: 10.1016/j.chaos.2023.113422
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    References listed on IDEAS

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    1. Wang, Qing & Zhang, Lingling & Ke, Lin, 2022. "Parameters controlling of vortex solitons in nonlocal nonlinear medium with gradually characteristic length," Chaos, Solitons & Fractals, Elsevier, vol. 161(C).
    2. Zhao, Zi-bin & Chen, Gui-hua & Liu, Bin & Li, Yong-yao, 2022. "Discrete vortex quantum droplets," Chaos, Solitons & Fractals, Elsevier, vol. 162(C).
    3. Huang, Hao & Wang, Hongcheng & Chen, Guihua & Chen, Manna & Lim, Chin Seong & Wong, Kok-Cheong, 2023. "Stable quantum droplets with higher-order vortex in radial lattices," Chaos, Solitons & Fractals, Elsevier, vol. 168(C).
    4. Malomed, B.A., 2022. "Multidimensional dissipative solitons and solitary vortices," Chaos, Solitons & Fractals, Elsevier, vol. 163(C).
    5. Chen, Junbo & Zeng, Jianhua, 2021. "Dark matter-wave gap solitons of Bose-Einstein condensates trapped in optical lattices with competing cubic-quintic nonlinearities," Chaos, Solitons & Fractals, Elsevier, vol. 150(C).
    6. Huang, Hao & Wang, Hongcheng & Chen, Manna & Lim, Chin Seong & Wong, Kok-Cheong, 2022. "Binary-vortex quantum droplets," Chaos, Solitons & Fractals, Elsevier, vol. 158(C).
    7. Li, Pengfei & Malomed, Boris A. & Mihalache, Dumitru, 2020. "Vortex solitons in fractional nonlinear Schrödinger equation with the cubic-quintic nonlinearity," Chaos, Solitons & Fractals, Elsevier, vol. 137(C).
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    Cited by:

    1. Dong, Liangwei & Du, Zhijing & Ren, Zhijun, 2023. "Fractional angular momentum borne on rotating vortex solitons," Chaos, Solitons & Fractals, Elsevier, vol. 176(C).
    2. Liu, Dongshuai & Gao, Yanxia & Fan, Dianyuan & Zhang, Lifu, 2023. "Transformation of rotating dipole and vortex solitons in an anharmonic potential," Chaos, Solitons & Fractals, Elsevier, vol. 177(C).
    3. Li, Jun-Jie & Zhang, Hui-Cong, 2023. "Stability and adaptive evolution of higher-order vector vortex solitons in thermally nonlinear media with tunable transverse size," Chaos, Solitons & Fractals, Elsevier, vol. 177(C).

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