Generation of 47 fs Pulses from an Er：Fiber Amplifier

We demonstrate a self-starting erbium fiber oscillator-amplifier system based on the nonlinear polarization rota- tion mode-locked mechanism. The direct output pulse from the amplifier is 47fs with an average power of 1.22 W and a repetition rate of 50 MHz, corresponding to a pulse energy of 24 nJ....

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Bibliographic Details
Published in:Chinese physics letters 2017-06, Vol.34 (7), p.101-104
Main Author: 欧尚明 刘关玉 雷卉 张志刚 张庆茂
Format: Article
Language:English
Subjects:
二代
光纤放大器
平均功率
掺铒光纤
输出脉冲
重复频率
锁模机构
非线性偏振旋转
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Summary:We demonstrate a self-starting erbium fiber oscillator-amplifier system based on the nonlinear polarization rota- tion mode-locked mechanism. The direct output pulse from the amplifier is 47fs with an average power of 1.22 W and a repetition rate of 50 MHz, corresponding to a pulse energy of 24 nJ. The full width at half-maximum of the spectrum of the output pulses is approximately 93nm at a central wavelength of 1572nm so that the transform- limited pulse duration is as short as 39 fs. Due to the imperfect dispersion compensation, we compress the pulses to 47fs in this experiment.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/34/7/074207