期刊
CHINESE OPTICS LETTERS
卷 20, 期 1, 页码 -出版社
OSA-OPTICAL SOC
DOI: 10.3788/COL202220.011401
关键词
mode-locked lasers; optical solitons; fiber lasers
类别
资金
- National Natural Science Foundation of China [61805277, 11634010, 11874300]
- Natural Science Basic Research Program of Shaanxi [2019JQ-447]
- Fundamental Research Funds for the Central Universities [3102019JC008, 3102019PY002]
- National Key R&D Program of China [2017YFA0303800]
In this study, we revealed the coherent dissipative soliton intermittency in normal-dispersion fiber lasers based on real-time spectroscopy. By increasing the pump strength, the intermittency transforms from transient pulsation to bi-stable soliton, with the slow-gain effect dominating such coherent intermittency.
As a universal phenomenon in nonlinear optical systems, intermittency is usually accompanied by the coherence loss such as soliton explosions in fiber lasers. Based on real-time spectroscopy, we revealed the coherent dissipative soliton intermittency in normal-dispersion fiber lasers. By increasing the pump strength, the intermittency transforms from the transient pulsation to the bi-stable soliton. It is demonstrated that the slow-gain effect dominates such coherent intermittency. Our results provide novel insights into laser physics, offering a promising approach for studying the bi-stable dissipative soliton.
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