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首页> 外文期刊>Journal of Experimental and Theoretical Physics >Waveguide Modes of 1D Photonic Crystals in a Transverse Magnetic Field
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Waveguide Modes of 1D Photonic Crystals in a Transverse Magnetic Field

机译：横向磁场中的1D光子晶体的波导模式

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摘要

We analyze waveguide modes in 1D photonic crystals containing layers magnetized in the plane. It is shown that the magnetooptical nonreciprocity effect emerges in such structures during the propagation of waveguide modes along the layers and perpendicularly to the magnetization. This effect involves a change in the phase velocity of the mode upon reversal of the direction of magnetization. Comparison of the effects in a nonmagnetic photonic crystal with an additional magnetic layer and in a photonic crystal with magnetic layers shows that the magnitude of this effect is several times larger in the former case in spite of the fact that the electromagnetic field of the modes in the latter case is localized in magnetic regions more strongly. This is associated with asymmetry of the dielectric layers contacting with the magnetic layer in the former case. This effect is important for controlling waveguide structure modes with the help of an external magnetic field.
机译：我们分析了含有平面磁化层的一维光子晶体中的波导模式。结果表明，这种结构中的磁光非互易效应是在波导模式沿各层垂直于磁化方向传播的过程中产生的。这种效应涉及磁化方向反转时模式相速度的变化。将非磁性光子晶体和磁性光子晶体中的效应进行了比较，结果表明，尽管在后一种情况下，模式的电磁场更强烈地局部化在磁性区域，但在前一种情况下，这种效应的大小要大好几倍。这与前一种情况下与磁性层接触的电介质层的不对称性有关。这种效应对于借助外部磁场控制波导结构模式非常重要。

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