The results show that it is a relatively simple and exact method for using transfer function method to deal with the optical waveguides with graded refractive index profile.
结果表明用传递函数方法处理折射率渐变分布的光波导问题，计算相对简单，可以得到精确的数值结果。
2
This analysis model is available for the design of step drift doping profile RESURF device and linearly-graded drift RESURF device.