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Optomechanical-organized multipulse dynamics in ultrafast fiber laser |
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| Affiliation: | 1.Ceyear Technologies Co., Ltd, Qingdao 266555, China;2.Science and Technology on Electronic Test & Measurement Laboratory, Qingdao 266555, China;3.School of Information Science and Engineering, Shandong University, Qingdao 266237, China;4.Hangzhou Institute of Advanced Studies, Zhejiang Normal University, Hangzhou 311231, China;5.State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China |
| Abstract: | A novel organized multipulse pattern and its birth dynamics under strong optomechanical effect in microfiber-assisted ultrafast fiber laser are investigated in this work. The background pulses are observed to obviously exhibit selectively amplifying self-organized process of evolving into quasi-stable equidistant clusters. The radio frequency spectrum of the multipulse pattern displays a harmonic mode-locking-like behavior with a repetition rate of 2.0138 GHz, corresponding to the frequency of torsional-radial (TR2m) acoustic mode in microfiber. The results show the evidence of optomechanical effect in dominating the birth dynamics and pattern of multipulse. |
| Keywords: | fiber lasers multipulse operation optomechanical effect |
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