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Investigation on abnormal group velocities in lD coaxial photonic crystals

机译:LD同轴光子晶体中异常群速度的研究

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摘要

In this paper, the group velocities of electromagnetic wave for a one-dimensional coaxial photonic crystal in the stop bands with and without defect mode are studied. The results show that the group velocities exceed c (the speed of light in vacuum) in the stop band and it tends to be very slow in the defect mode. The group velocities also are obtained using the method of the transmission line and transmission matrix. The simulating results agree well with the experimental.
机译:本文研究了一维同轴光子晶体在具有和不具有缺陷模式的阻带中的群速度。结果表明,在阻带中,群速度超过了c(真空中的光速),并且在缺陷模式下趋向于非常慢。组速度也可以使用传输线和传输矩阵的方法获得。仿真结果与实验结果吻合良好。

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