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41.9 fs hybridly mode-locked Er-doped fiber laser at 212 MHz repetition rate

机译:212 MHz重复频率的41.9 fs混合锁模掺Er光纤激光器

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摘要

We demonstrate a hybridly mode-locked erbium-doped fiber laser. It combines saturable absorption and nonlinear polarization evolution to produce stable and purified femtosecond pulses with a high repetition rate of 212 MHz. The average output power is larger than 65 mW, and the single-pulse energy is 0.31 nJ at a pump power of 750 mW. A wide spectrum with FWHM of 61.4 nm is obtained. The dechirped pulse duration is 41.9 fs, which is near the transform-limited range.
机译:我们演示了混合锁模掺光纤激光器。它结合了饱和吸收和非线性极化发展,可产生稳定和纯化的飞秒脉冲,并具有212 MHz的高重复频率。平均输出功率大于65 mW,在750 mW的泵浦功率下,单脉冲能量为0.31 nJ。获得FWHM为61.4nm的广谱。降低后的脉冲持续时间为41.9 fs,接近变换限制范围。

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