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

被引：7
作者：
Zhang, Lei [1 ]
Huang, Tianhao [2 ]
Ning, Lina [1 ]
Li, Shuai [1 ]
Zheng, Youjin [1 ]
机构：
[1] Mudanjiang Normal Univ, Phys Dept, Prov Key Lab Superhard Mat, Mudanjiang 157011, Heilongjiang, Peoples R China
[2] Zhejiang Univ Technol, Zhijiang Coll, Sci Dept, Hangzhou 310024, Zhejiang, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2020年 / 58卷
基金：
美国国家科学基金会;
关键词：
PbSe quantum dot; CuInS2/ZnS quantum dot; Optical fiber; Doped material property; EXTINCTION COEFFICIENT; GAIN;
D O I：
10.1016/j.yofte.2020.102305
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
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.
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页数：8
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