首页|Switching,explosion,and chaos of multi-wavelength soliton states in ultrafast fiber lasers

Switching,explosion,and chaos of multi-wavelength soliton states in ultrafast fiber lasers

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Because of the complexity and difficulty of realizing a multi-wavelength soliton state,reports on its internal dynamic char-acteristics are scarce.In this study,the switching and periodic soliton explosion processes of the multi-wavelength soliton state in a negative dispersion passively mode-locked fiber laser are realized.The generation of the multi-wavelength soliton state undergoes the process of noise,oscillation,and stable mode-locking,and the splitting and annihilation of solitons with different group velocities directly impact the generation and disappearance of three wavelengths.Positive and negative dispersion lead to different group velocities of solitons.The presence and displacement of solitons with different group velocities cause soliton collisions,which lead to soliton explosions.A soliton experiences relative phase oscillation,chaos,and oscillation,as well as convergence and separation before and after an explosion.With an increase in parameters related to pump power,single-soliton oscillation,multi-wavelength solitons,and chaos are found in experiments and simulations,proving the relevance and reliability between simulation and experimental results.This work promotes the dynamical study of multi-soliton collisions in nonlinear science and the development of chaos theory in multi-comb lasers.

multi-wavelength fiber lasersoliton explosionchaosstate switchingreal-time dynamics

Zhi-Zeng Si、Yue-Yue Wang、Chao-Qing Dai

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College of Optical,Mechanical and Electrical Engineering,Zhejiang A&F University,Lin an 311300,China

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaScientific Research and Development Fund of Zhejiang A&F University

1226113149512075210122752402021FR0009

2024

10.1007/s11433-023-2365-7

中国科学:物理学 力学 天文学(英文版)
中国科学院

中国科学:物理学 力学 天文学(英文版)

CSTPCD
影响因子：0.91
ISSN：1674-7348
年,卷(期)：2024.67(7)