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中文摘要：
从理论上推导了色散渐减同时非线性渐增原理可以压缩脉冲的结论，并利用对称分步傅里叶方法研究了在不同色散渐减与非线性渐增比值下所得压缩脉冲的压缩比与基座性能，数值结果表明，非线性渐增原理最有利于脉冲压缩，而已有的基于色散渐减原理压缩脉冲的方法是压缩比最低的情况。通过和色散减渐方法压缩脉冲相比，表明利用非线性渐增方法可以在获得几乎相同的压缩比与更小的基座能量的同时将所需光纤长度缩短为原来的一半。
英文摘要：
Soliton pulse compression based on dispersion decreasing fiber （DDF） with increasing nonlinearity is proved according to the theoretical deduction. Some characteristics of compressed pulse such as compression factor and pedestal energy are analyzed through the symmetrized split-step Fourier method. It is found that the final compression ratio achieved by a nonlinearity increasing fiber is the highest while the ratio achieved by a dispersion decreasing fiber is actually the smallest. Through comparing with dispersion decreasing method, the results show that almost the same compression ratio and lower pedestal energy can be achieved with half of the original fiber length by nonlinearity increasing method.
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Simulation of longitudinally magnetized three-dimensional magneto-optical devices by a full-vectoria
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