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Effects of doped material properties on the emission of quantum dot optical fiber

机译：掺杂材料特性对量子点光纤发射的影响

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摘要

The re-absorption loss in quantum dot optical fibers (QD-OFs) affects the fiber emission and limits the device performance. This is not only related to fiber parameters (fiber length and diameter, QD concentration, etc.), but also depends on the properties of doped materials to a large extent. Therefore, the emission of QD-OFs for two different QD materials (PbSe and CuInS2/ZnS) were theoretically simulated using rate equations and power propagation equations, considering the influence of fluorescence lifetime, absorption and emission cross-section (AECS), Stokes-shift, and full width at half-maximum (FWHM). The parameters that had the greatest influence on emission intensity were the fluorescence lifetime for PbSe QD-OFs and the Stokes-shift for CuInS2/ZnS QD-OFs, when the fibers were relatively long. AECS showed more important in shorter OFs. FWHM had the least influence on emission intensity for any length of fiber. The fluorescence lifetime was more advantageous for the stability of the emission wavelength. Compared with CuInS2/ZnS QD-OFs, the emission intensity of PbSe QD-OFs was lower, which however changed more rapidly with these parameters.
机译：量子点光纤（QDS）中的再吸收损失影响光纤发射并限制器件性能。这不仅与纤维参数（纤维长度和直径，QD浓度等）有关，而且还取决于掺杂材料的特性在很大程度上。因此，使用速率方程和功率传播方程理论上模拟了两个不同QD材料（PBSE和CUINS2 / ZnS）的QDS的发射，考虑到荧光寿命，吸收和发射横截面（AECS），Stokes- - 换档，半最大（fwhm）的全宽。当纤维相对较长时，对发射强度最大的影响最大的荧光寿命是用于PBSE QD的荧光寿命和CuinS2 / ZnS QDS的斯托克型。 AECs在较短的较短方面表现出更重要的。 FWHM对任何长度的纤维产生发射强度的影响最小。荧光寿命对于发射波长的稳定性更有利。与CUINS2 / ZnS QDS相比，PBSE QD的发射强度较低，然而，随着这些参数更快地变化。

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  • 来源
    《Optical fiber technology》 |2020年第9期|102305.1-102305.8|共8页
  • 作者

    Zhang Lei; Huang Tianhao; Ning Lina; Li Shuai; Zheng Youjin;

  • 作者单位

    Mudanjiang Normal Univ Phys Dept Prov Key Lab Superhard Mat Mudanjiang 157011 Heilongjiang Peoples R China;

    Zhejiang Univ Technol Zhijiang Coll Sci Dept Hangzhou 310024 Zhejiang Peoples R China;

    Mudanjiang Normal Univ Phys Dept Prov Key Lab Superhard Mat Mudanjiang 157011 Heilongjiang Peoples R China;

    Mudanjiang Normal Univ Phys Dept Prov Key Lab Superhard Mat Mudanjiang 157011 Heilongjiang Peoples R China;

    Mudanjiang Normal Univ Phys Dept Prov Key Lab Superhard Mat Mudanjiang 157011 Heilongjiang Peoples R China;

  • 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

    PbSe quantum dot; CuInS2/ZnS quantum dot; Optical fiber; Doped material property;

    机译：PBSE量子点;CUINS2 / ZNS量子点;光纤;掺杂物质;

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