中国物理B ›› 2025, Vol. 34 ›› Issue (6): 60302-060302.doi: 10.1088/1674-1056/adc083

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Surface solitons in Kerr-type nonlinear media with chirped lattices

Xiaoyang Wang(王笑阳), Huilian Wei(魏慧莲), Xuefei Zhang(张雪菲), and Tianfu Xu(徐天赋)†   

  1. Hebei Key Laboratory of Microstructural Material Physics, School of Science, Yanshan University, Qinhuangdao 066004, China
  • 收稿日期:2024-12-20 修回日期:2025-02-11 接受日期:2025-03-14 出版日期:2025-05-16 发布日期:2025-06-06
  • 通讯作者: Tianfu Xu E-mail:tfxu@ysu.edu.cn
  • 基金资助:
    Project supported by the Science and Technology Project of Hebei Education Department, China (Grant No. ZD2020200) and the Innovation Capability Improvement Project of Hebei Province, China (Grant No. 22567605H).

Surface solitons in Kerr-type nonlinear media with chirped lattices

Xiaoyang Wang(王笑阳), Huilian Wei(魏慧莲), Xuefei Zhang(张雪菲), and Tianfu Xu(徐天赋)†   

  1. Hebei Key Laboratory of Microstructural Material Physics, School of Science, Yanshan University, Qinhuangdao 066004, China
  • Received:2024-12-20 Revised:2025-02-11 Accepted:2025-03-14 Online:2025-05-16 Published:2025-06-06
  • Contact: Tianfu Xu E-mail:tfxu@ysu.edu.cn
  • Supported by:
    Project supported by the Science and Technology Project of Hebei Education Department, China (Grant No. ZD2020200) and the Innovation Capability Improvement Project of Hebei Province, China (Grant No. 22567605H).

摘要: The existence and stability of the fundamental, multi-peak, and twisted solitons in Kerr nonlinear media with chirped (amplitude-modulated) lattices are reported. We discover that the chirp rate and lattice depth can dramatically change the existence domain of solitons, the energy flow of solitons increases with increasing chirp rate or decreasing lattice depth. We also analyze how the chirp rate and lattice depth affect the stability of solitons. The stable domains of fundamental solitons and twisted solitons exhibit a multi-window distribution, while multi-peak solitons are unstable throughout the entire existence domain.

关键词: surface solitons, Kerr nonlinearity, chirped lattices

Abstract: The existence and stability of the fundamental, multi-peak, and twisted solitons in Kerr nonlinear media with chirped (amplitude-modulated) lattices are reported. We discover that the chirp rate and lattice depth can dramatically change the existence domain of solitons, the energy flow of solitons increases with increasing chirp rate or decreasing lattice depth. We also analyze how the chirp rate and lattice depth affect the stability of solitons. The stable domains of fundamental solitons and twisted solitons exhibit a multi-window distribution, while multi-peak solitons are unstable throughout the entire existence domain.

Key words: surface solitons, Kerr nonlinearity, chirped lattices

中图分类号:  (Tunneling, Josephson effect, Bose-Einstein condensates in periodic potentials, solitons, vortices, and topological excitations)

  • 03.75.Lm
42.50.Md (Optical transient phenomena: quantum beats, photon echo, free-induction decay, dephasings and revivals, optical nutation, and self-induced transparency) 43.25.Rq (Solitons, chaos)