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通过实验和数值模拟研究了全正色散被动锁模光纤激光器中增益支配孤子的产生。实验观测和数值模拟结果分别证实了由腔导致的峰值功率钳位效应的存在。激光器性能对腔的结构的依赖性得到研究。研究结果表明:在光纤激光器中,能否获得具有更高脉冲能量的增益支配孤子是由腔的结构例如腔内非线性管理和输出比率选取决定的。
The gain-dominated solitons in all-positive dispersion passively mode-locked fiber lasers are studied by experiments and numerical simulations. Experimental observations and numerical simulation results confirm the existence of the peak power clamping effect caused by the cavity. The dependence of laser performance on the structure of the cavity has been investigated. The results show that the gain-dependent solitons with higher pulse energy in fiber lasers are determined by the structure of the cavity, such as non-linear cavity management and output ratio selection.