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首页> 外文期刊>Optics Letters >Subfemtosecond hybrid synchronization between ultrafast Yb and Er fiber laser systems by controlling the relative injection timing
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Subfemtosecond hybrid synchronization between ultrafast Yb and Er fiber laser systems by controlling the relative injection timing

机译：通过控制相对注入时机，在超快Yb和Er光纤激光系统之间实现亚飞秒混合同步

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摘要

We report experimental as well as theoretical investigation of the key factors that influence the relative timing jitter between hybrid synchronized ultrafast Yb and Er fiber laser systems. Experimental results show that, within the achievable synchronization range, the synchronization performance varies significantly with the relative injection timing between the 1 μm master and 1.5 μm slave pulses. This observation is in agreement with the insights obtained from the theoretical analysis, which identifies the retiming effect as a function of the initial condition of the master-slave pulse collision. By controlling the relative injection timing with a low-bandwidth intracavity feedback, relative timing jitter as low as 0.87 fs (within 1.9 MHz bandwidth) is successfully obtained.
机译：我们报告了影响混合同步超快Yb和Er光纤激光器系统之间相对定时抖动的关键因素的实验和理论研究。实验结果表明，在可达到的同步范围内，同步性能随1μm主脉冲和1.5μm从脉冲之间的相对注入时间而显着变化。该观察结果与从理论分析中获得的见解相符，该理论分析确定了重定时效应是主-从脉冲碰撞的初始条件的函数。通过用低带宽腔内反馈控制相对注入定时，可以成功获得低至0.87 fs（在1.9 MHz带宽内）的相对定时抖动。

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