对观察到的正色散腔被动锁模掺铒光纤激光器的实验现象进行了理论分析。

The experimental results observed in passively mode-locked Er-doped fiber laser with positive dispersion are analyzed theoretically.

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为了获得振幅均衡的有理数谐波锁模脉冲，必须在原有的实验装置中添加一个掺铒光纤放大器(EDFA)以提高注入调制光信号功率。

For obtaining a pulse series with a small amplitude ripple, an Erbium-doped Fiber Amplifier (EDFA) must be added into the primary experiment setup to enhance injection-modulation signal power.

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