高阶非线性单模光纤中调制不稳定性的产生和增长
PRODUCTION AND GROWTH OF MODULATION INSTA- BILITY IN MONOMODE OPTICAL FIBERS WITH HIGH-ORDER NONLINEARITY
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摘要: 基于赵阳等(1989)的工作,本文归一化地给出了高阶非线性下单模光纤中调制不稳定性的产生条件和频率范围;得到了最大调制增长率的存在对光纤色散的要求。对数值例子的讨论,得出了一些新的对实际应用调制不稳定性十分有用的结果。Abstract: Based on the work of Zhao Yang et al. (1989), the producing conditions and frequency domains of the modulation instability in monomode optical fibers with high-order nonlinearity are given in normalized form. The requirements of group velocity dispersion for the existence of maximal modulation growth are obtained. Some new results which are very useful in practical applications of the modulation instability are demonstrated by the numerical examples.
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