PRODUCTION AND GROWTH OF MODULATION INSTA- BILITY IN MONOMODE OPTICAL FIBERS WITH HIGH-ORDER NONLINEARITY
高阶非线性单模光纤中调制不稳定性的产生和增长

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.