Breathing dynamics of dissipative pure quartic soliton molecules via spectral filtering effects

doi:10.1088/1674-1056/adf1eb

中国物理B ›› 2026, Vol. 35 ›› Issue (3): 34205-034205.doi: 10.1088/1674-1056/adf1eb

Breathing dynamics of dissipative pure quartic soliton molecules via spectral filtering effects

Chun-Ting Liu(刘春廷), Jun-You Lu(卢俊佑), Han-Yang Shen(申翰阳), and Zu-Xing Zhang(张祖兴)†

Advanced Photonic Technology Laboratory, College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, China

收稿日期:2025-05-28 修回日期:2025-07-14 接受日期:2025-07-19 出版日期:2026-02-11 发布日期:2026-03-05
通讯作者: Zu-Xing Zhang E-mail:zxzhang@njupt.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 62175116).

Breathing dynamics of dissipative pure quartic soliton molecules via spectral filtering effects

Chun-Ting Liu(刘春廷), Jun-You Lu(卢俊佑), Han-Yang Shen(申翰阳), and Zu-Xing Zhang(张祖兴)†

Advanced Photonic Technology Laboratory, College of Electronic and Optical Engineering & College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, China

Received:2025-05-28 Revised:2025-07-14 Accepted:2025-07-19 Online:2026-02-11 Published:2026-03-05
Contact: Zu-Xing Zhang E-mail:zxzhang@njupt.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 62175116).

摘要/Abstract

摘要： Although dissipative pure quartic solitons (DPQSs) stabilized by fourth-order dispersion (FOD) and nonlinearity are widely studied, their multi-soliton dynamics in positive FOD remain underexplored. Here, we study the impact of saturation energy and filter bandwidth on breathing DPQS molecules numerically. Our findings indicate that complementary breathing DPQS molecules exchange energy through oscillating tails, exhibiting simultaneously temporal oscillations and spectral shifting. By adjusting cavity parameters, we demonstrate that the state of breathing soliton molecules is inherently governed by time separation. These findings deepen the comprehension of multi-soliton interactions and nonlinear phenomena.

关键词: dissipative pure-quartic soliton, soliton molecule, breathing soliton, oscillating tails

Abstract: Although dissipative pure quartic solitons (DPQSs) stabilized by fourth-order dispersion (FOD) and nonlinearity are widely studied, their multi-soliton dynamics in positive FOD remain underexplored. Here, we study the impact of saturation energy and filter bandwidth on breathing DPQS molecules numerically. Our findings indicate that complementary breathing DPQS molecules exchange energy through oscillating tails, exhibiting simultaneously temporal oscillations and spectral shifting. By adjusting cavity parameters, we demonstrate that the state of breathing soliton molecules is inherently governed by time separation. These findings deepen the comprehension of multi-soliton interactions and nonlinear phenomena.

Key words: dissipative pure-quartic soliton, soliton molecule, breathing soliton, oscillating tails

中图分类号: (Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics)

42.65.Sf

42.65.Tg (Optical solitons; nonlinear guided waves) 42.55.Wd (Fiber lasers) 42.60.Fc (Modulation, tuning, and mode locking)

Chun-Ting Liu(刘春廷), Jun-You Lu(卢俊佑), Han-Yang Shen(申翰阳), and Zu-Xing Zhang(张祖兴). Breathing dynamics of dissipative pure quartic soliton molecules via spectral filtering effects[J]. 中国物理B, 2026, 35(3): 34205-034205.

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Breathing dynamics of dissipative pure quartic soliton molecules via spectral filtering effects

Breathing dynamics of dissipative pure quartic soliton molecules via spectral filtering effects

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