OPTICAL GUIDED WAVES WITH IDENTICAL AMPLITUDES IN(Al )GaAs/AlGaAs PERIODIC OPTICAL WAVEGUIDES
（Al）GaAs／AlGaAs周期光波导中的等幅基模

General formulae describing field distributions and eigenvalue equations are presented forboth TE and TM modes of the periodic structural optical waveguide with an arbitrary well number andwith a periodic square wave refractive index profile,The effects of the structrual parameters and therefractive index profile on the shapes of the rnode distributions are analyzed for(Al)GaAs/AlGaAsperiodic structural optical waveguides.To obtain optical guided waves with identical amplitudes inthis kind of waveguides,the methods for selecting appropriate parameters are presented anddiscussed.