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 (11)：

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
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
2020 - 2022 窒化物半導体ナノコラムメタマテリアルの創成と光機能制御
2019 - 2022 窒化物半導体ナノコラム結晶におけるナノ構造効果と発光特性に与える影響の解明

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Papers (30)：

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
Naoki Shimosako, Kazuya Kinjo, Yuta Inose, Toshihiro Nakaoka, Takao Oto, Katsumi Kishino, Kazuhiro Ema. Energy diagram and parameters regarding localized states in InGaN/GaN nanocolumns. J. Appl. Phys. 2021. 130. 14. 143106-143106
Takao Oto, Masato Namazuta, Shotaro Hayakawa, Koichi Okamoto, Rie Togashi, Katsumi Kishino. Comparison of surface plasmon polariton characteristics of Ag- and Au-based InGaN/GaN nanocolumn plasmonic crystals. Appl. Phys. Express. 2021. 14. 105002

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MISC (19)：

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
大音隆男. 窒化物半導体ナノコラムメタマテリアルの創成と光機能制御. 研究助成金受給者研究報告集. 2020. 39. 59-63
Hatakeyama Daiki, Narita Kazuki, Oto Takao, Togashi Rie, Kishino Katsumi. Fabrication of optical waveguide structures by changing diameter of regularly arrayed GaN nanocolumns. JSAP Annual Meetings Extended Abstracts. 2018. 2018.2. 3286-3286
Kikuchi Kazuma, Oto Takao, Okamoto Koichi, Togashi Rie, Kishino Katsumi. Mechanism of Light Emission Enhancement in InGaN/GaN Nanocolumn Plasmonic Crystals. JSAP Annual Meetings Extended Abstracts. 2018. 2018.2. 3287-3287

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Patents (4)：

Books (1)：

Lectures and oral presentations (162)：

キラル型 InGaN ナノピラーアレイの光学活性増強に関する検討
(第71回応用物理学会春季学術講演会 2024)
キラル型InGaNナノピラーアレイにおいて入射光の直線偏光角が旋光性に与える影響
(令和6年東北地区若手研究者研究発表会 2024)
MKIDsアレイの周波数特性の改善に向けたCPWの設計及び作製と評価
(応用物理学会東北支部第78回学術講演会 2023)
5GHz帯パッチアンテナアレイの設計と作製・評価
(応用物理学会東北支部第78回学術講演会 2023)
24GHz帯パッチアンテナアレイの設計・作製と評価
(応用物理学会東北支部第78回学術講演会 2023)

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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 (5)：

Awards (7)：

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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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