By altering the lattice sadius,lattice period and ply,the changes of the band gap of two-dimensional photomic crystals of InP-InGaAsP heterostructure are simulated and the rule of change is analysed.

• 通过改变二维光子晶体三角形结构的晶格元胞半径、晶格周期和厚度,模拟其带隙变化,分析变化规律,为二维光子晶体集成波导提供理论基础。