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2010•Electro-Optic Technology ApplicationRequires access

FDTD Simulated Study on the Photonic Band Gap of One-Dimensional TiO_2 Photonic Crystal

Ren Zhi-lei

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Abstract

The principle of finite difference time domain(FDTD) was presented,A TiO2 photonic crystal(PC) with(AB)MA structure was designed,in the structure A is TiO2,B is MgF2 and M=8,and analysis of electromagnetic field in 1D photonic scrystal(PC) was performed.The results show that without the doping method,it can also introduce the defect state into the photonic band gap only by changing the structural parameter,and the central wavelength and width of the defect state change with the structural parameter.

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What this paper is about

The principle of finite difference time domain(FDTD) was presented,A TiO2 photonic crystal(PC) with(AB)MA structure was designed,in the structure A is TiO2,B is MgF2 and M=8,and analysis of electromagnetic field in 1D photonic scrystal(PC) was performed.The results show that without the doping method,it can also introduce the defect state into the photonic band gap only by changing the structural parameter,and the central wavelength and width of the defect state change with the structural parameter.

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Available abstract

The principle of finite difference time domain(FDTD) was presented,A TiO2 photonic crystal(PC) with(AB)MA structure was designed,in the structure A is TiO2,B is MgF2 and M=8,and analysis of electromagnetic field in 1D photonic scrystal(PC) was performed.The results show that without the doping method,it can also introduce the defect state into the photonic band gap only by changing the structural parameter,and the central wavelength and width of the defect state change with the structural parameter.

Key concepts: Finite-difference time-domain method, Photonic crystal, Photonics, Band gap, Wavelength, Optics, Optoelectronics, Materials science

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