2022 Fiscal Year Final Research Report
Plasmonic light emission enhancement of quantum dots by non-propagating mode of periodic structure and application to white laser
| Project/Area Number |
20K05359
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 30020:Optical engineering and photon science-related
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| Research Institution | Mie University |
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Principal Investigator |
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| Project Period (FY) |
2020-04-01 – 2023-03-31
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| Keywords | 表面プラズモン共鳴 / 伝搬型表面プラズモン / 非伝搬モード / ファノ共鳴 / 金属回折格子 / 量子ドット / 発光増強 / 白色光源 |
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| Outline of Final Research Achievements |
In this research, the ultimate goal is to realize a white laser using surface plasmon resonance, which is the interaction of blue laser light, green and red light emitting quantum dots, and metal diffraction gratings.
Although we were not able to use the non-propagating mode to enhance the luminescence of quantum dots, we continued to explore the physical behavior of the non-propagating mode and the one-dimensional diffraction grating of Au throughout the research period. We fabricated a surface plasmon sensor consisting of On the other hand, we confirmed the emission enhancement of InP/ZnS quantum dots on the Al thin film, which is thought to be caused by surface plasmon resonance.
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| Free Research Field |
ナノ光学、照明工学、オプトエレクトロニクス
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| Academic Significance and Societal Importance of the Research Achievements |
本研究を通して、非伝搬モードという定在する伝搬型表面プラズモンが発生するメカニズムを明らかにすることができて、表面プラズモンに関する新たな学術的知見を得ることができた。また、非伝搬モードを使った量子ドットの発光増強まで研究を進めることができなかったものの、金属薄膜上に量子ドットを塗布すると、発光増強が確認できたので、本研究の成果である非伝搬モードを用いることで顕著が量子ドットの発光増強が確認できれば、白色LED照明に変わる新たな照明デバイスへの応用に期待が持てると考えられる。
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