Research on Photonic Bandgap of Mirror Photonic Crystal Heterostructures

Abstract

The mirror periodic photonic crystal heterostructures(ABCCBA) N were studied in this paper.First,the optical propagation method of one-dimensional dielectric system,the transfer matrix method,was used to deduce the transmittance of photonic crystal heterostructures.And then,the Matlab software and the formula were adopted to simulate and describe the relationship between photonic bandgap form and mirror periodic numbers,photonic bandgap numbers and the layer thickness of photonic crystal,the incoming angle and the position of photonic bandgap.The results show that the formation and change of photonic band gap are mainly affected by the change of the layer thickness of photonic crystal and the incoming angle.By altering the photonic bandgap parameters,the photonic bandgap with different frequency can be gotten,and can be used to make high quality mirrors,filters,and light-emitting diodes.