Abstract:

Because the PBG (Photonie Band Gap) of Square lattice photonic crystal has some disadvantages, its application has been limited. A new photonic crystal of embedded structure, which has been embedded in the gaps of square lattice with the same kind of square lattice, has been researched and designed. Both the substrate column and air hole types with this new structure have been studied. The simulated experiment results show that the number of band gaps is increased by 2～10 with this new structure, the band gap rate is also increased observably. A new way has been found, which can get complete forbidden bands of square latt
ice photonic crystals.

Key words: embedded, photonic crystals, square lattice, photonie band gap (PBG)