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Bloch-Surface-Waves-Induced Fano Resonance in Magneto-Optical Response of Magnetophotonic Crystals

机译:磁光子晶体的磁光响应中的Bloch表面波引起的Fano共振

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Magnetophotonic crystals (MPCs) support Bloch surface waves (BSWs) and waveguided modes (WGMs) propagation. The influence of the BSW on the Faraday effect in the one-dimensional MPCs is studied. The technique of measuring the angle of Faraday rotation in the MPCs in attenuated total internal reflection scheme in Kretschmann configuration is discussed. The spectra of Faraday rotation demonstrate a Fano-shaped resonance near the spectral-angular position of the BSW resonance both for s- and p-polarized incident light. The presence of the feature in the spectrum of p-polarized light can be explained by the Faraday rotation effect and subsequent BSW excitation mutually enhancing each other.
机译:磁光子晶体(MPC)支持Bloch表面波(BSW)和波导模式(WGM)传播。研究了一维MPC中BSW对法拉第效应的影响。讨论了在Kretschmann组态的衰减全内反射方案中MPC中法拉第旋转角度的测量技术。法拉第旋转的光谱表明,对于s偏振和p偏振入射光,BSW共振的光谱角位置附近都存在法诺形共振。 p偏振光光谱中特征的存在可以通过法拉第旋转效应和随后的BSW激发相互增强来解释。

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