Work

Intrinsic evolution pathway connecting two quasi-steady dissipative soliton states in a pulsating Yb-doped fiber laser

Year: 2026

Type: article

Abstract: The pulsating behavior of dissipative solitons is a typical manifestation of complex nonlinear dynamics in ultrafast fiber lasers. However, the intrinsic evolution of dissipative solitons within a single pulsation cycle remains largely unexplored. Here, we observe a pulsating state in an Yb-doped fiber laser and reveal an intrinsic evolution pathway connecting two quasi-steady dissipative soliton states. Within one pulsation cycle, the system evolves from an initial quasi-steady dissipative soliton state through a sequence of nonlinear regimes associated with period-doubling bifurcation signatures, a period-3 window, and chaotic behavior, and finally evolves into another quasi-steady dissipative soliton state. Real-time spectral measurements further reveal that the transition occurs through continuous spectral reshaping, indicating a gradual transformation between the two quasi-steady dissipative soliton states. These findings provide insights into the intrinsic evolution of dissipative solitons and the emergence of complex evolution pathways in nonequilibrium dissipative systems.

Source: Optics Express

DOI: 10.1364/oe.616206

Authors: Yongpei Zhou, Xinxu Duan, Yuantong Liu, Fei Meng, Kok-Sing Lim, Lei Jin

Institutions: Harbin Engineering University, National Institute of Metrology, Ministry of Industry and Information Technology, University of Malaya

Language: English

Topic: Advanced Fiber Laser Technologies

Subfield: Atomic and Molecular Physics, and Optics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: gold

Estimated APC paid: $2,270

Funder: National Key Research and Development Program of China