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Nano-antenna enhanced waveguide integrated light source based on an MIS tunnel junction

机译：基于MIS隧道交界处的纳米天线增强波导集成光源

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摘要

Ultrafast electro-optical conversion at nanoscale is of fundamental interest for information transfer and optical interconnects. Light emission from a quantum tunnel junction provides an opportunity owing to its unique capability of ultrafast response and small footprint. However, the main challenge to the wide adoption of the tunnel junction is its low emission efficiency caused by the low inelastic electron tunneling proportion and radiation efficiency. In this Letter, an electrically driven silicon light source with its efficiency enhanced by using a nano-antenna in a metal insulator-semiconductor junction is proposed. Strong plasmon confinement in the nano-antenna provides large local density of optical states and bridges the wave vector mismatch between nanoscale volume field confinement and far-field radiation. Two orders of magnitude of emission enhancement are achieved over typical planar MIS junctions. (C) 2019 Optical Society of America
机译：纳米尺度超快电光转换是信息传输和光学互连的根本兴趣。 Quantum Tunnel Junction的发光为其超快响应和小足迹的独特能力提供了机会。 然而，广泛采用隧道交界处的主要挑战是由于低非弹性电子隧道比例和辐射效率引起的低发射效率。 在该字母中，提出了一种通过在金属绝缘体 - 半导体结中使用纳米天线而增强其效率的电动硅光源。 纳米天线的强等离子监控提供了大的光学状态局部密度，桥梁桥梁之间的波矢量错配纳米级体积场限制和远场辐射之间。 在典型的平面MIS结中实现了两个发射增强级的两个级。 （c）2019年光学学会

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  • 来源
    《Optics Letters》 |2019年第9期|共4页
  • 作者

    Huang Baohu; Gao Siping; Liu Yan; Wang Jian; Liu Zhenguo; Guo Yongxin; Lu Weibing;

  • 作者单位

    Southeast Univ Sch Informat Sci &

    Engn State Key Lab Millimeter Waves Nanjing 210096 Jiangsu Peoples R China;

    Natl Univ Singapore Nanosci &

    Nanotechnol Initiat Singapore 117411 Singapore;

    Natl Univ Singapore Nanosci &

    Nanotechnol Initiat Singapore 117411 Singapore;

    Natl Univ Singapore Dept Elect &

    Comp Engn Singapore 117576 Singapore;

    Southeast Univ Sch Informat Sci &

    Engn State Key Lab Millimeter Waves Nanjing 210096 Jiangsu Peoples R China;

    Natl Univ Singapore Dept Elect &

    Comp Engn Singapore 117576 Singapore;

    Southeast Univ Sch Informat Sci &

    Engn State Key Lab Millimeter Waves Nanjing 210096 Jiangsu Peoples R China;

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  • 正文语种 eng
  • 中图分类 计量学;光学;
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