Oto Takao

オオトタカオ | Oto Takao

Affiliation and department：
Job title： Associate Professor

Research field (3)： Electric/electronic material engineering , Nanostructure physics , Applied materials

Research keywords (5)：発光デバイス , プラズモニクス , 光物性 , ナノ構造 , 窒化物半導体

Research theme for competitive and other funds (13)：

2025 - 2026 ハイブリッド周期ナノ構造のバンド間強結合を用いた高効率・高速変調発光
2023 - 2026 窒化物半導体上ペロブスカイトナノ結晶塗布技術の開拓とマイクロLEDディスプレイ応用
2024 - 2025 ハイブリッドナノ構造を用いたキラル光学効果増強と超小型単一可視円偏光素子の開拓
2021 - 2025 ナノレーザの高性能化に向けたナノ構造設計と利得・発振特性の評価
2021 - 2023 Design of artificial nanocrystals based on nanocolumns and creation of new optical functionalities

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Papers (32)：

Daisuke Yokota, Haruka Abe, Shingo Saito, Kento Yanagihashi, Takayuki Chiba, Takao Oto. Highly stable and bright CsPbI3 nanocrystal red emitters based on color-conversion from InGaN-based blue light-emitting diodes. Applied Physics Letters. 2024
Shin-ichiro Sato, Takao Oto. Room temperature optical coupling of neodymium ions to photonic crystal L3 cavity in gallium nitride semiconductor. Applied Physics Express. 2024
Takao Oto, Aoto Aihara, Kai Motoyama, Shunsuke Ishizawa, Koichi Okamoto, Rie Togashi, Katsumi Kishino. Plasmonic red-light-emission enhancement by honeycomb-latticed InGaN/GaN ordered fine nanocolumn arrays. Applied Physics Express. 2023. 16. 115001
Hinako Ebe, Rikuo Suzuki, Shunsuke Sumikoshi, Mizuho Uwano, Reine Moriyama, Daisuke Yokota, Mahiro Otaki, Kazushi Enomoto, Takao Oto, Takayuki Chiba, et al. Guanidium iodide treatment of size-controlled CsPbI3 quantum dots for stable crystal phase and highly efficient red LEDs. CHEMICAL ENGINEERING JOURNAL. 2023. 471. 144578
Kiran Saba, Anna Kafar, Jacek Kacperski, Krzysztof Gibasiewicz, Dario Schiavon, Takao Oto, Szymon Grzanka, Piotr Perlin. Monolithic 45 Degree Deflecting Mirror as a Key Element for Realization of 2D Arrays of Laser Diodes Based on AlInGaN Semiconductors. Micromachines. 2023. 14. 2. 352-352

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MISC (26)：

大音隆男, 小菅駿也, 相川健喜, 倉邉海史, 菊池昭彦. InGaN 系ナノピラーにおける歪緩和と表面再結合. 信学技報. 2024
Kishino Katsumi, Togashi Rie, Oto Takao. Advances in InGaN/GaN Nanocolumns for Micro-LED Displays. Journal of the Japanese Association for Crystal Growth. 2024. 51. 2. n/a
岸野克巳, 富樫理恵, 大音隆男. マイクロLED(μLED)ディスプレイに向けたInGaN/GaNナノコラムの進展-Advances in InGaN/GaN Nanocolumns for Micro-LED Displays-特集次世代ディスプレイ実現に向けた窒化物半導体結晶成長技術の進展. 日本結晶成長学会誌 Journal of the Japanese Association for Crystal Growth. 2024. 51. 2. 1-14
Oto Takao, Namazuta Masato, Okamoto Koichi, Togashi Rie, Kishino Katsumi. Emission enhancement properties in InGaN/GaN nanocolumn plasmonics crystals -Comparison with Au and Ag-. JSAP Annual Meetings Extended Abstracts. 2020. 2020.2. 2082-2082
Oto Takao, Namae Yusuke, Suzuki Shoma, Aihara Aoto, Kikuchi Akihiko. Pillar diameter dependence of internal quantum efficiency and light extraction efficiency in InGaN/GaN nanopillars fabricated by HEATE method. JSAP Annual Meetings Extended Abstracts. 2020. 2020.1. 3103-3103

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Patents (4)：

Books (1)：

Lectures and oral presentations (181)：

波長変換技術を用いた高輝度・長寿命緑色CsPbBr3ナノ結晶LEDの開発
(第72回応用物理学会春季学術講演会 2025)
青色発光InGaN/GaNナノピラーの表面再結合とキャリアダイナミクス
(第72回応用物理学会春季学術講演会 2025)
InGaN系ハニカムナノコラムプラズモニック結晶の電磁界モード解析とフォトニック/プラズモニックバンド間相互作用
(応用物理学会東北支部第79回学術講演会 2024)
Two-step MKIDs における検出感度の共振器膜厚依存性
(応用物理学会東北支部第79回学術講演会 2024)
開口結合型超伝導バルク共振器アンテナの設計・試作・評価
(応用物理学会東北支部第79回学術講演会 2024)

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Education (4)：

2011 - 2014 京都大学大学院工学研究科電子工学専攻博士後期課程
2009 - 2011 京都大学大学院工学研究科電子工学専攻修士課程
2005 - 2009 Kyoto University Faculty of Engineering School of Electrical & Electronic Engineering
2002 - 2005 西大和学園高等学校

Professional career (1)：

Work history (7)：

2023/04 - 現在 Yamagata University Department of Informatics and Electronics Associate Professor
2021/01 - 2025/03 TI-FRIS フェロー
2021/04 - 2023/03 Yamagata University Department of Informatics and Electronics Assistant Professor
2017/10 - 2022/03 日本学術振興会卓越研究員
2017/10 - 2022/03 Yamagata University Assistant Professor

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Committee career (8)：

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Awards (10)：

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Association Membership(s) (3)：

THE JAPAN SOCIETY OF APPLIED PHYSICS , 日本光学会 , JAPANESE ASSOCIATION FOR CRYSTAL GROWTH

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