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连续泵浦掺铥双包层光纤激光器的自脉冲现象

Self-pulsing in a continuous wave pumped Tm-doped double-clad fiber laser
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摘要 在2μm波段运转的掺铥双包层光纤激光器中观察到了自脉冲(类锁模)现象.对单端和双端泵浦方式以及不同腔长度下的输出进行比较研究,认为这种现象的主要产生机制可能为掺铥光纤中的自相位调制和离子簇导致的可饱和吸收效应. We observe the self-pulsing （ self-mode-locking like） in a Tm-doped silica fiber laser operating at a wave- length around 2 μm. To get further insight into the variation and evolution of the self-mode-locking, we investigate both single-end and double-end pumping configurations with different cavity-lengths. We find that the main mecha- nism of self-mode-locking can be attributed to the combination of self-phase modulation effect and the saturable ab- sorption effect caused by ion pairs in Tin-doped fiber.
作者 杜戈果 宋玉立 徐意 王金章 郭春雨 曹文华
机构地区 深圳市激光工程重点实验室先进光学精密制造技术广东普通高校重点实验室 深圳大学电子科学与技术学院
出处 《深圳大学学报（理工版）》 EI CAS CSCD 北大核心 2015年第4期422-427,共6页 Journal of Shenzhen University(Science and Engineering)
基金 国家自然科学基金资助项目(61308049) 深圳市战略新兴产业发展专项资金资助项目(JCYJ20130329103035715) 深圳市科技计划基础研究资助项目(JC201105170655A)~~
关键词 光电子与激光技术 掺铥光纤 自脉冲 可饱和吸收 自相位调制 脉冲 optoelectronic and laser technology Tm-doped fiber self-pulsing saturable absorption self-phase modulation pulse
分类号 TN248 [电子电信—物理电子学]
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参考文献33

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深圳大学学报（理工版）
2015年 第4期

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