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中文摘要：
研究了耗散孤子的放大和非线性展宽的动力学过程，成功研制了一种紧凑型高相干性的全光纤超连续光谱源。种子源为工作在全正色散域的耗散型全光纤锁模激光器，采用了非线性偏振旋转锁模技术，输出的耗散孤子脉冲宽度为5．18ps，重复频率为24MHz。种子光脉冲经过15m双包层掺镱光纤放大后，耦合到长度为10m的光子晶体光纤中，产生了超过一个倍频程的超连续光谱（550～1750nm），最大输出功率为700mw。系统研究了耗散孤子的放大过程以及光子晶体光纤反常色散区产生超连续谱的动力学过程和机理。
英文摘要：
The amplification and nonlinear broadening dynamics of dissipative soliton are studied. A compact all-fiber highly coherent supercontinuum source is successfully developed. The seed laser in the experiment is a dissipative all- fiber mode-locked laser working in all-normal dispersion region. The nonlinear polarization rotation mode-locking technology is applied. The output pulse width of the dissipative soliton is 5.18 ps with a repetition rate of 24 MHz. The seed laser pulse is amplified with a 15-m double-clad ytterbium-doped fiber, then is coupled into a 10 m photonic crystal fiber. The supercontinuum generation achieves more than one octave of bandwidth （550--1750 nm） at 700 mW average power. The amplification process of dissipative soliton and the mechanism of supercontinuum generation in anomalous dispersion region of photonic crystal fiber are systematically studied.
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