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PIN-photodiode with a large spot size input waveguide

机译:具有大光点尺寸输入波导的PIN光电二极管

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摘要

Polarization insensitive optical coupling of a large spot size input waveguide to a small spot size photodiode is achieved by the introduction of a transition waveguide. The coupling efficiency to the photodetector and the related absorption efficiency of the photo-diode depend mainly on the refractive indices of the different InGaAsP layers. Waveguide alignments, waveguide widths and the n-contact etch depth do not influence the absorption efficiency relative to a 1-dB tolerance.
机译:大光点尺寸输入波导与小光点尺寸光电二极管的偏振不敏感光耦合是通过引入过渡波导实现的。与光电检测器的耦合效率和光电二极管的相关吸收效率主要取决于不同InGaAsP层的折射率。相对于1 dB的容差,波导的对准,波导的宽度和n接触蚀刻的深度不会影响吸收效率。

著录项

  • 来源
    《Optical and quantum electronics》 |2013年第4期|365-371|共7页
  • 作者单位

    Tyndall National Institute, Lee Maltings, Dyke Parade, Cork, Ireland Physics Department, University College Cork, Cork, Ireland;

    Tyndall National Institute, Lee Maltings, Dyke Parade, Cork, Ireland;

    Tyndall National Institute, Lee Maltings, Dyke Parade, Cork, Ireland;

    Tyndall National Institute, Lee Maltings, Dyke Parade, Cork, Ireland Physics Department, University College Cork, Cork, Ireland;

    Tyndall National Institute, Lee Maltings, Dyke Parade, Cork, Ireland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Asymmetric twin guide; Photodiode; Fabrication tolerance;

    机译:不对称双导;光电二极管加工公差;

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