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首页> 外文期刊>Japanese journal of applied physics >Waveguide loss reduction of lateral-current-injection type GaInAsP/InP membrane Fabry-Perot laser
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Waveguide loss reduction of lateral-current-injection type GaInAsP/InP membrane Fabry-Perot laser

机译:侧向注入型GaInAsP / InP膜法布里-珀罗激光器的波导损耗减小

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摘要

We investigated the waveguide loss of lateral-current-injection (LCI) type GaInAsP/InP membrane Fabry-Perot lasers by adopting low-doped p-InP cap and side cladding layers. An internal quantum efficiency of 75% was obtained, and waveguide loss was reduced to 22 cm(-1), which was approximately half of that in our previous report. Further, a differential quantum efficiency higher than 50% was obtained for devices with cavity length less than 400 mu m. These results indicate the possibility of sub-mA threshold current and high-efficiency operation of LCI type membrane distributed feedback and distributed-reflector lasers with active region length less than 100 mu m. (C) 2017 The Japan Society of Applied Physics.
机译:我们通过采用低掺杂的p-InP盖和侧包层研究了侧向注入(LCI)型GaInAsP / InP膜Fabry-Perot激光器的波导损耗。内部量子效率为75%,波导损耗降至22 cm(-1),约为我们先前报告的一半。此外,对于腔长度小于400μm的器件,获得了高于50%的差分量子效率。这些结果表明,有源区长度小于100μm的LCI型膜分布反馈和分布反射激光器具有亚mA阈值电流和高效工作的可能性。 (C)2017年日本应用物理学会。

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  • 来源
    《Japanese journal of applied physics》 |2017年第5期|050311.1-050311.4|共4页
  • 作者单位

    Tokyo Inst Technol, Dept Elect & Elect Engn, Meguro Ku, Tokyo 1528552, Japan;

    Tokyo Inst Technol, Dept Elect & Elect Engn, Meguro Ku, Tokyo 1528552, Japan;

    Tokyo Inst Technol, Dept Elect & Elect Engn, Meguro Ku, Tokyo 1528552, Japan;

    Tokyo Inst Technol, Dept Elect & Elect Engn, Meguro Ku, Tokyo 1528552, Japan;

    Tokyo Inst Technol, Dept Elect & Elect Engn, Meguro Ku, Tokyo 1528552, Japan|Tokyo Inst Technol, Inst Innovat Res, Meguro Ku, Tokyo 1528552, Japan;

    Tokyo Inst Technol, Dept Elect & Elect Engn, Meguro Ku, Tokyo 1528552, Japan|Tokyo Inst Technol, Inst Innovat Res, Meguro Ku, Tokyo 1528552, Japan;

    Tokyo Inst Technol, Dept Elect & Elect Engn, Meguro Ku, Tokyo 1528552, Japan|Tokyo Inst Technol, Inst Innovat Res, Meguro Ku, Tokyo 1528552, Japan;

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