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Optoelectronics 2020
掺铥环形光纤激光器中三阶色散对h型脉冲产生的影响机制
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Abstract:
在非线性偏振旋转锁模的掺铥环形光纤激光器中实现了非对称的h型脉冲输出，同时针对实验进行了数值仿真。考虑到三阶色散的累积影响，得到了与实验结果一致的h型脉冲信号，由此发现三阶色散促进了脉冲拖尾的形成。
Output of h-shaped pulses is realized in a mode-locked Thulium-doped fiber ring laser with the nonlinear polarization rotation technique, simultaneously, a simulation is carried out for the ex-periment. In consideration of accumulated impact of the third order dispersion, the h-shaped pulses are generated by computation, consistent with the experimental results. It is found then, the third order dispersion boosts the forming of the h-shaped pulses.
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