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Multiple layers of silicon-silica (Si-SiO_2) pair onto silicon substrate towards highly efficient, wideband silicon photonic grating coupler

机译:硅-二氧化硅(Si-SiO_2)的多个层配对到硅基板上,从而形成高效的宽带硅光子光栅耦合器

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摘要

A single mode waveguide grating coupler based on multiple Si-SiO_2 pairs onto Si substrate has been designed. Numerical analysis has been carried out to calculate optimum thickness of the layers of Si-SiO_2 that ensures the constructive interference between reflected waves and actual guided wave for high coupling efficiency. Based on the results, an optimal design is developed and modeled by using a 2-D finite difference time domain simulator that dictates a coupling efficiency of as much as 78 % (-1.07 dB) at the wavelength of 1550 nm, and a 1-dB bandwidth of 77 nm. The numerical method will be useful to calculate the optimum thicknesses of the layers for any reflector based grating coupler of different materials.
机译:在硅衬底上设计了基于多个Si-SiO_2对的单模波导光栅耦合器。已经进行了数值分析以计算Si-SiO_2层的最佳厚度,以确保反射波与实际导波之间的相长干涉,从而实现高耦合效率。根据结果​​,通过使用二维有限差分时域仿真器来开发和建模最佳设计,该仿真器规定在1550 nm波长处的耦合效率高达78%(-1.07 dB),而1 77 nm的dB带宽。数值方法对于计算基于反射器的不同材料的光栅耦合器的层的最佳厚度将是有用的。

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  • 来源
    《Optical and quantum electronics》 |2016年第10期|478.1-478.13|共13页
  • 作者单位

    Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, VIC 3010, Australia ,CSIRO (Commonwealth Scientific and Industrial Research Organisation), 343 Royal Parade, Parkville, VIC 3052, Australia;

    Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, VIC 3010, Australia ,School of Engineering, Monash University Malaysia, 47500 Bandar Sunway, Selangor, Malaysia;

    Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, VIC 3010, Australia;

    Department of Electrical and Electronic Engineering, The University of Melbourne, Parkville, VIC 3010, Australia ,CSIRO (Commonwealth Scientific and Industrial Research Organisation), 343 Royal Parade, Parkville, VIC 3052, Australia;

  • 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

    Grating coupler; Silicon photonics; Optical interconnects; Fiber interface; Nanophotonics;

    机译:光栅耦合器硅光子学;光学互连;光纤接口;纳米光子学;

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