Optical tamm states in one-dimensional magnetophotonic structures
Optical tamm states in one-dimensional magnetophotonic structures
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DOI：
10.1103/physrevlett.101.113902
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发表时间：
2008-09-12
影响因子：
8.6
通讯作者：
Granovsky, A. B.
中科院分区：
文献类型：
--
作者：
Goto, T.;Dorofeenko, A. V.;Granovsky, A. B.
我们证明了在一维磁光子晶体和非磁光子晶体之间的界面上存在一个谱窄的局域表面态，即所谓的光学塔姆态。该状态在光谱上位于包含该磁光子结构的每个光子晶体的光子带隙内。这种状态与通过样品的锐透射峰有关，并负责相应波长的法拉第旋转的实质性增强。实验结果与理论预测非常吻合。
We demonstrate the existence of a spectrally narrow localized surface state, the so-called optical Tamm state, at the interface between one-dimensional magnetophotonic and nonmagnetic photonic crystals. The state is spectrally located inside the photonic band gaps of each of the photonic crystals comprising this magnetophotonic structure. This state is associated with a sharp transmission peak through the sample and is responsible for the substantial enhancement of the Faraday rotation for the corresponding wavelength. The experimental results are in excellent agreement with the theoretical predictions.