Large angle scattering at metallized interface of indium-tin-oxide-coated Er, Fe co-doped LiNbO_3, and its impact on upconversion emissions

Xinyan Ma; Zuoren Xiong; Yingbin ZhangHua Zhao

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Large angle scattering at metallized interface of indium-tin-oxide-coated Er, Fe co-doped LiNbO_3, and its impact on upconversion emissions

机译：Large angle scattering at metallized interface of indium-tin-oxide-coated Er, Fe co-doped LiNbO_3, and its impact on upconversion emissions

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摘要

We demonstrated that visible surface plasmon polaritons (SPPs) were excited at the metallized interface of indium-tin-oxide (ITO)-coated iron doped Y-cut and Z-cut lithium niobate (Fe:LiNbO_3, Fe:LN) slabs, where large angle scattering and light tracks were observed on the surface. After introducing active erbium element, it was found that SPPs' excitation could greatly affect upconversion emission (UCE) in Er,Fe:LN crystal samples. This surface effect was more attractive when increasing the surface-to-volume ratio with powdered form. In the ITO-coated Er,Fe:LN specimen, dynamic variations of huge UCE dropping-down and gradual rising were observed, which is a result of energy loss via coupling to SPPs. Our work supports an opportunity in designing plasmonic nanometric light sources, leading paths toward implementing spasers apart from lossy metals in photonic waveguides.

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来源
《Optical Engineering》 |2021年第12期|127107-1-127107-8|共8页
作者
Xinyan Ma; Zuoren Xiong; Yingbin ZhangHua Zhao;
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作者单位

Harbin Institute of Technology, Institute of Modern Optics, School of Physics, Harbin, China;

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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
正文语种英语
中图分类计量学;
关键词
surface plasmon polariton; two-dimensional electron gas; upconversion emission;

Large angle scattering at metallized interface of indium-tin-oxide-coated Er, Fe co-doped LiNbO_3, and its impact on upconversion emissions

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