Electromagnetic Bloch oscillation in one-dimensional multiple microcavities composed of metamaterials
Electromagnetic Bloch oscillation in one-dimensional multiple microcavities composed of metamaterials
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DOI：
10.1088/1674-1056/23/4/044101
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发表时间：
2014-04
影响因子：
1.7
通讯作者：
Wang Tong-Biao;Liu Nian-hua;Yu Tian-Bao;Deng Xin-hua;Xu Xu-ming-Xu;Liao Qing-Hua
中科院分区：
文献类型：
--
作者：
Wang Tong-Biao;Liu Nian-hua;Yu Tian-Bao;Deng Xin-hua;Xu Xu-ming-Xu;Liao Qing-Hua
我们提出了一种由一维光子晶体和光子腔顺序堆叠的光子结构。整个结构由单负极和双负极材料组成。光学万尼尔？通过对空腔的宽度进行顺序调制，可以在低频区得到斯塔克阶梯。我们模拟了电磁波通过所提出的光子结构的动力学行为。由于超材料的色散特性，可以获得非常窄的WSL。从理论上证明了长周期电磁布洛赫振荡具有微秒时间尺度上的周期。
We propose a photonic structure stacked sequentially by one-dimensional photonic crystals and cavities. The whole structure is composed of single-negative and double-negative materials. The optical Wannier?Stark ladder (WSL) can be obtained in a low frequency region by modulating the widths of the cavities in order. We simulate the dynamical behavior of the electromagnetic wave passing through the proposed photonic structure. Due to the dispersive characteristics of the metamaterials, a very narrow WSL can be obtained. The long-period electromagnetic Bloch oscillation is demonstrated theoretically to have a period on a microsecond time scale.