- Address
- 305-0044 茨城県つくば市並木1-1 [アクセス]
[論文] | [書籍] | [会議録] | [口頭発表] | [その他の文献] | [公開特許出願]
論文 TSV
2026
- Barun Kumar Barman, Keisuke Watanabe, Kenzo Deguchi, Shinobu Ohki, Kenjiro Hashi, Atsushi Goto, Tadaaki Nagao. Chameleonic Color‐Variable Microbead Emitters for Multilevel Spectroscopic Encryption from Visible to Infrared Wavelengths. Advanced Optical Materials. 14 [19] (2026) e03855 10.1002/adom.202503855 Open Access
- Phuoc Toan Tran, Thien Duc Ngo, Andrea Ruiz‐Perona, Hai Dang Ngo, Keisuke Watanabe, Hiroshi Harada, Tadaaki Nagao. Spectroscopic Infrared Photothermal Converters Using Uniaxially Oriented NiAl Superalloy Films with Metal‐Insulator‐Metal Strip Arrays. Advanced Optical Materials. 14 [8] (2026) e02912 10.1002/adom.202502912 Open Access
2025
- Masanobu Iwanaga, Keisuke Watanabe. Generative-AI-assisted knowledge-based augmented exploration in nanophotonics. Science and Technology of Advanced Materials: Methods. 5 [1] (2025) 2596940 10.1080/27660400.2025.2596940 Open Access
- Keisuke Watanabe, Tadaaki Nagao. Vibrational Mode-Selective Infrared Spectroscopy at the Monolayer Level Using Silicon Quasi-Bound States in the Continuum. ACS Photonics. 12 [12] (2025) 6876-6883 10.1021/acsphotonics.5c02042 Open Access
- Barun Kumar Barman, Keisuke Watanabe, Tadaaki Nagao. Carbonized Polymer Dots‐Based Spectrally Adaptable Photonic Microbarcodes. Advanced Optical Materials. 13 [22] (2025) 2500822 10.1002/adom.202500822 Open Access
- Keisuke Watanabe, Tadaaki Nagao, Masanobu Iwanaga. Low-Contrast BIC Metasurfaces with Quality Factors Exceeding 100,000. Nano Letters. 25 [7] (2025) 2777-2784 10.1021/acs.nanolett.4c05880 Open Access
2024
- Barun Kumar Barman, Hiroyuki Yamada, Keisuke Watanabe, Kenzo Deguchi, Shinobu Ohki, Kenjiro Hashi, Atsushi Goto, Tadaaki Nagao. Rare‐Earth‐Metal‐Free Solid‐State Fluorescent Carbonized‐Polymer Microspheres for Unclonable Anti‐Counterfeit Whispering‐Gallery Emissions from Red to Near‐Infrared Wavelengths. Advanced Science. 11 [30] (2024) 2400693 10.1002/advs.202400693 Open Access
- Keisuke Watanabe, Masanobu Iwanaga. Optimum asymmetry for nanofabricated refractometric sensors at quasi-bound states in the continuum. Applied Physics Letters. 124 [11] (2024) 111705 10.1063/5.0158793 Open Access
- Keisuke Watanabe, Hemam Rachna Devi, Masanobu Iwanaga, Tadaaki Nagao. Vibrational Coupling to Quasi‐Bound States in the Continuum under Tailored Coupling Conditions. Advanced Optical Materials. 12 [6] (2024) 2301912 10.1002/adom.202301912 Open Access
2023
- Keisuke Watanabe, Masanobu Iwanaga. Nanogap enhancement of the refractometric sensitivity at quasi-bound states in the continuum in all-dielectric metasurfaces. Nanophotonics. 12 [1] (2023) 99-109 10.1515/nanoph-2022-0565 Open Access
書籍 TSV
会議録 TSV
口頭発表 TSV
2026
- NAGAO, Tadaaki, BARMAN, Barun, エルナンデス ピニヤ ダビーッド, WATANABE, Keisuke, NGO, Duc Thien. Ultraviolet to Near Infrared Spectroscopic Emitters Based on Broadband Rare Earth free Phosphors. The12th International Conference on Antennas and Electromagnetic Systems (AES 2026). 2026 招待講演
- WANG, Chih-Hsing, ルイス ペローナ アンドレア, YAMADA, Hiroyuki, NGO, Duc Thien, TRAN, Toan Phuoc, WATANABE, Keisuke, NAGAO, Tadaaki. Tuning Schottky Barrier Characteristics at NiAl/p-Si Interfaces for Scalable Infrared Photodetectors. 第73回応用物理学会春季学術講演会/The 73rd JSAP Spring Meeting 2026. 2026
- 渡邊 敬介, 岩長 祐伸, 長尾 忠昭. シリコンBICメタサーフェスによる単一ナノ粒子センシング. 第73回応用物理学会春季学術講演会. 2026
2025
- WATANABE, Keisuke, IWANAGA, Masanobu, NAGAO, Tadaaki. Free-space accessible silicon metasurfaces for sensing applications using quasi-bound states in the continuum. Photonics and Electromagnetics Research Symposium (PIERS 2025). 2025 招待講演
- エルナンデス ピニヤ ダビーッド, BARMAN, Barun, WATANABE, Keisuke, YAMADA, Hiroyuki, NGO, Duc Thien, NAGAO, Tadaaki. Multilayer and Microbead Structures for Ultraviolet to Near Infrared Spectroscopic Applications Based on Metal-free Phosphors. META 2025, 15th International Conference on Metamaterials, Photonic Crystals and Plasmonic. 2025 招待講演
- 渡邊 敬介, 岩長 祐伸. 生成AIを活用したナノフォトニクスの探索的研究(II)未知構造探索. 2025年 第72回応用物理学会春季学術講演会. 2025
- 岩長 祐伸, 渡邊 敬介, 何 亜倫, 落合 哲行. 生成AIを活用したナノフォトニクスの探索的研究(I)既知情報ベース. 2025年 第72回応用物理学会春季学術講演会. 2025
- 渡邊 敬介, 長尾 忠昭, 岩長 祐伸. BICメタサーフェスにおける10万を越えるQ値の実現と単一粒子センシング応用. 2025年 第72回応用物理学会春季学術講演会. 2025
- IWANAGA, Masanobu, WATANABE, Keisuke. Metasurfaces—Vast Playground for Light–Matter Interaction. The International Symposium on Plasmonics and Nanophotonics 2025 (iSPN 2025). 2025
2024
- WATANABE, Keisuke, NAGAO, Tadaaki, IWANAGA, Masanobu. Ultrahigh-Q silicon metasurfaces for sensing with improved limit of detection. Single-Molecule Sensors and NanoSystems International Conference (S3IC 2024). 2024
- WATANABE, Keisuke, NAGAO, Tadaaki. Silicon metasurfaces with strong light confinement and their sensing applications. 15th ISAJ Annual Symposium. 2024
- NAGAO, Tadaaki, WATANABE, Keisuke, YAMADA, Hiroyuki, NGO, Duc Thien, HEMAM, Rachna. Materials and Nanostructrue Designs for Surface-Enhanced Infrared Absorption Spectroscopy. THE 11th INTERNATIONAL WORKSHOP ON ADVANCED MATERIALS SCIENCE AND NANOTECHNOLOGY (IWAMSN2024). 2024 招待講演
- WATANABE, Keisuke, HEMAM, Rachna, エルナンデス ピニヤ ダビーッド, IWANAGA, Masanobu, NAGAO, Tadaaki. Silicon BIC metasurfaces for strong interactions with molecular vibrations. META 2024, The 14th International Conference on Metamaterials, Photonic Crystals and Plasmonics. 2024 招待講演
- 渡邊 敬介, ヘマム ラチナ デヴィ, エルナンデス ピニヤ ダビーッド, 岩長 祐伸, 長尾 忠昭. シリコンナノ構造における光増強場の形成と赤外増強分光. 電子情報通信学会 レーザ・量子エレクトロニクス研究会(2024年LQE5月研究会). 2024 招待講演
2023
- 渡邊 敬介, ヘマム ラチナ デヴィ, 岩長 祐伸, 長尾 忠昭. シリコンメタサーフェスを用いた準BIC-分子振動結合系の結合条件制御. 第84回応用物理学会秋季学術講演会. 2023
- WATANABE, Keisuke, HEMAM, Rachna, IWANAGA, Masanobu, NAGAO, Tadaaki. Tailoring coupling conditions between silicon metasurfaces and molecular vibrations. META 2023, the 13th International Conference on Metamaterials, Photonic Crystals and Plasmonics. 2023
- 岩長 祐伸, 渡邊 敬介. メタサーフェスの光センサーへの展開. 第70回応用物理学会春季学術講演会. 2023 招待講演
2022
- 渡邊 敬介, 岩長 祐伸. ナノギャップを有するメタサーフェスの準BIC磁気双極子モード観測. 第83回応用物理学会秋季学術講演会. 2022
- 渡邊 敬介, 岩長 祐伸. BICに基づく誘電体メタサーフェスにおける屈折率感度増大. 2022年第69回応用物理学会春季学術講演会. 2022
その他の文献 TSV
2025
- 渡邊 敬介, 長尾 忠昭, 岩長 祐伸. 自由空間からアクセス可能な高Q値ナノ構造の開発に成功. フォトニクスニュース. 11 [1] (2025) 1 Open Access
2024
- 渡邊 敬介, ヘマム ラチナ デヴィ, 岩長 祐伸, 長尾 忠昭. シリコンメタ表面による赤外増強. 光学. 53 [6] (2024) 247 Open Access
