Noise-like rectangular pulses in a mode-locked double-clad Er:Yb laser with a record pulse energy

被引：1
|
作者：
吴田宜 [1 ]
窦志远 [1 ]
张斌 [1 ,2 ,3 ]
侯静 [1 ,2 ,3 ]
机构：
[1] College of Advanced Interdisciplinary Studies,National University of Defense Technology
[2] State Key Laboratory of Pulsed Power Laser Technology
[3] Hunan Provincial Key Laboratory of High Energy Laser Technology
来源：
Chinese Physics B | 2020年 / 01期
基金：
中国国家自然科学基金;
关键词：
rectangular noise-like pulse; mode-locked laser; Er–Yb co-doped fiber laser;
D O I：
暂无
中图分类号：
TN248 [激光器];
学科分类号：
0803 ; 080401 ; 080901 ;
摘要：
Generation of noise-like rectangular pulse was investigated systematically in an Er–Yb co-doped fiber laser based on an intra-cavity coupler with different coupling ratios. When the coupling ratio was 5/95, stable mode-locked pulses could be obtained with the pulse packet duration tunable from 4.86 ns to 80 ns. The repetition frequency was 1.186 MHz with the output spectrum centered at 1.6 μm. The average output power and single pulse energy reached a record 1.43 W and1.21 μJ, respectively. Pulse characteristics under different coupling ratios(5/95, 10/90, 20/80, 30/70, 40/60) were also presented and discussed.
引用
收藏
页码：307 / 311
页数：5
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