期刊文献+

纳米金属肋混合表面等离子体波导模式特性分析 被引量:6

Mode Properties of Hybrid Plasmonic Waveguide with an Metal Nano-rib
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摘要 基于传统混合表面等离子体波导,提出了一种半导体纳米线和纳米金属肋混合的表面等离子体波导.采用有限元法对其模式特性进行了数值模拟,研究了该波导的有效折射率、传播损耗、归一化模场面积等特性随波导几何尺寸的变化规律,分析了该混合波导的增益阈值.结果表明:该波导具有较低的传播损耗和较强的光场限制能力,并且混合模式的最小模面积仅为0.001 52μm2. A novel hybrid plasmonic waveguide which consists of a semiconductor nanowire and a mental nano-rib was proposed based on the traditional hybrid plasmonic waveguide.Relationship between the geometrical sizes and the properties of the proposed hybrid plasmonic waveguide,such as effective refractive index,propagation loss and normalized mode area was numerically simulated by employing a finite element method.And the gain threshold of the hybrid waveguide was analyzed.Simulation results reveal that this kind of hybrid waveguide has a low propagation loss and high field confinement ability,and its minimum mode area is only 0.001 52μm2.
出处 《光子学报》 EI CAS CSCD 北大核心 2014年第9期1-5,共5页 Acta Photonica Sinica
基金 国家自然科学基金(No.61007029) 浙江省自然科学基金(Nos.2011C21038,2011C22051,Y14F050008) 浙江省重点科技创新团队(No.2010R50007)资助
关键词 混合表面等离子体波导 模式特性 增益阈值 表面等离子体纳米激光器 Hybrid plasmonic waveguide Model properties Threshold Surface plasmon polariton nano laser
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参考文献30

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二级参考文献59

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同被引文献55

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