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Surface plasmon effects in Metal-Semiconductor-Metal Photodetectors

机译:金属-半导体-金属光电探测器中的表面等离子体激元效应

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In this paper, we report a theoretical study on the various electromagnetic resonance effects (Horizontal surface plasmons, Cavity modes, 'hybrid' modes) in Metal-Semiconductor-Metal (MSM) Photodetector (PD). Field profiles are calculated using the surface impedance boundary condition technique, which is extended in this paper to model complex transmission gratings. A detailed study on the dependence of these different resonance modes on the structural geometry and material composition is described. Design rules to tailor the properties of the various resonance modes by appropriately varying the structural geometry and material composition for possible use in various applications are discussed. Potential structures of Si and HgCdTe MSM-PD are discussed for use in high-speed operation.
机译:在本文中,我们报告了对金属半导体金属(MSM)光电探测器(PD)中各种电磁谐振效应(水平等离子激元,腔模,“混合”模)的理论研究。使用表面阻抗边界条件技术计算场轮廓,本文将其扩展为对复杂的透射光栅进行建模。详细研究了这些不同的共振模式对结构几何形状和材料成分的依赖性。讨论了设计规则,以通过适当地改变结构几何形状和材料成分来定制各种共振模式的特性,以便在各种应用中使用。讨论了Si和HgCdTe MSM-PD的潜在结构,可用于高速操作。

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