【摘要】 对于芯区为克尔到非线性介质、覆盖层和衬底为线性介质的平板波导，用数值税分法导出了功率的数学表达式，并给出了典型实例的计算数据．这种方法编程十分简单，有普适性，可精确求得场强和功率的分布．更多还原

【Abstract】 Power flow versus modal for the planar waveguide with Kerr-type nonlinear filmand linear substrate and cladding is calculated by numerical integration method. Numericalresults are for a typical example is given. The programs for computation are simple, and cangive results with high accuracy.更多还原