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首页> 外文期刊>Japanese journal of applied physics >On-chip polarization beam splitter with multimode operation in a SOI waveguide
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On-chip polarization beam splitter with multimode operation in a SOI waveguide

机译：SOI波导中具有多模工作的片上偏振分束器

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摘要

The polarization beam splitter (PBS) based on the directional coupler is numerically investigated to operate transverse-electric (TE) and transverse-magnetic (TM) modes including high-order modes. Based on the phase-matching condition, all TM-polarization modes are switched from the bus waveguide to the adjacent waveguide without changing the spatial profile of the electric field and mode order while all TE-polarization modes go along the bus waveguide without significant coupling. The results show a low cross talk characteristic (20 dB at 1.55 mu m) and big fabrication tolerance (delta w = +/- 20 nm). It becomes an essential supplement for polarization splitting with multimode operation in photonics integrated circuits. (C) 2018 The Japan Society of Applied Physics
机译：对基于定向耦合器的偏振分束器（PBS）进行了数值研究，以操作包括高阶模式的横向电（TE）和横向磁（TM）模式。基于相位匹配条件，所有TM偏振模式都从总线波导切换到相邻波导，而不会改变电场的空间分布和模式阶数，而所有TE偏振模式沿着总线波导都没有明显的耦合。结果显示出较低的串扰特性（在1.55μm时> 20 dB）和较大的制造公差（δw = +/- 20 nm）。它成为光子集成电路中多模工作偏振分离的重要补充。 （C）2018日本应用物理学会

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  • 来源
    《Japanese journal of applied physics》 |2019年第1期|010905.1-010905.5|共5页
  • 作者

    Ge Zhiqiang; Li Xingyi; Li Siqi; Liu Mulong; Si Jinhai; Zhang Lingxuan;

  • 作者单位

    Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China|Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Minist Educ, Key Lab Phys Elect & Devices, Xianning Xilu 28, Xian 710049, Shaanxi, Peoples R China|Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Shaanxi Key Lab Informat Photon Tech, Xianning Xilu 28, Xian 710049, Shaanxi, Peoples R China;

    Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China;

    Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China;

    Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China;

    Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Minist Educ, Key Lab Phys Elect & Devices, Xianning Xilu 28, Xian 710049, Shaanxi, Peoples R China|Xi An Jiao Tong Univ, Sch Elect & Informat Engn, Shaanxi Key Lab Informat Photon Tech, Xianning Xilu 28, Xian 710049, Shaanxi, Peoples R China;

    Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China;

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