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Defect and dope selective of transmission properties of 2D photonic crystal |
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| Authors: | Ming-Bao Yan Qian Gong |
| Institution: | a College of Science, Air Force Engineering University, Xian 710051, China b State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China c College of Physics and Engineering, Qufu Normal University, Qufu 273165, China |
| Abstract: | The effects of the defect and doping on the transmission properties are investigated in two-dimensional photonic crystal (PC) with triangular rods using the finite difference time domain (FDTD) method. The results show that the width and the central position of the photonic band gap (PBG) depend on the thickness of rods with defect or composite-defect, and the refractive index of doped dielectric rods. The transmission properties of composite-defect combined with doping are further investigated. The thinner the nested concentric triangular rod and the smaller the refractive index is, the wider the band gaps is. |
| Keywords: | Photonic crystals Two-dimension triangular rod Finite difference time domain method Defect Doping |
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