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基于磁光子晶体的磁控可调谐太赫兹滤波器和开关
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内容简介：本文研究了铁氧体磁性材料应用于太赫兹波导器件的可行性．利用铁氧体磁性材料的磁导率随外磁场改变而变化的性质，设计出了一种新颖的磁控连续可调谐太赫兹滤波器和开关．利用平面波展开法（plane wave expansion，PWE）和时域有限差分法（finite difference time domain，FDTD）计算了二维磁光子晶体中外磁场变化对带隙位置和宽度的影响，结果显示应用该结构实现的滤波器和开关具有良好的性能．
Abstract：The feasibility of ferrite magnetism materials applied to THz waveguide devices is investigated. A novel continuously tunable bandpass filter and switch under the control of an external magnetic field in a terahertz wave band are designed. Detailed calculations on the shift and the variation in the position of the bandgap reveal that the filter and the switch achieved by this two-dimensional magnetic photonic crystal waveguide have good performancs.
作者：郭展, 范飞, 白晋军, 牛超, 常胜江,
关键词：磁光子晶体, 铁氧体, 太赫兹
Abstract：The feasibility of ferrite magnetism materials applied to THz waveguide devices is investigated. A novel continuously tunable bandpass filter and switch under the control of an external magnetic field in a terahertz wave band are designed. Detailed calculations on the shift and the variation in the position of the bandgap reveal that the filter and the switch achieved by this two-dimensional magnetic photonic crystal waveguide have good performancs.
作者：郭展, 范飞, 白晋军, 牛超, 常胜江,
关键词：磁光子晶体, 铁氧体, 太赫兹
