High Power Laser Science and Engineering, 2018, 6 (2): 02000e27, Published Online: Jul. 4, 2018   

Nonlinearity optimization of dissipative-soliton fiber laser for generation of pulses with 350 kW peak power Download: 603次

Author Affiliations
1 Ultrafast Laser Laboratory, Key Laboratory of Opto-electronic Information Technology (Ministry of Education), School of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China
2 Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, CO 80523, USA
3 State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China
Abstract
We demonstrate a nonlinearity optimization method by altering distribution of passive fibers in a dissipative-soliton mode-locked fiber laser to level up output parameters. In the numerical simulation, we found that the passive fiber segment after gain fiber characterizes the highest average B-integral among fiber segments. By reducing the length of this fiber section and keeping the total passive fiber length as constant, the output pulse energy can be effectively scaled up while maintaining a short dechirped pulse duration, resulting in boosting peak power. With this method, 37-nJ pulses are generated from a dissipative-soliton mode-locked cladding pumped ytterbium-doped single-mode fiber laser in the experiment. The pulse can be dechirped to 66 fs with 350 kW peak power. Moreover, the pulse pedestal is suppressed by a vector-dispersion compressor.

Han Chi, Bowen Liu, Youjian Song, Minglie Hu, Lu Chai, Weidong Shen, Xu Liu, Chingyue Wang. Nonlinearity optimization of dissipative-soliton fiber laser for generation of pulses with 350 kW peak power[J]. High Power Laser Science and Engineering, 2018, 6(2): 02000e27.

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