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dc.contributor.author | Sakata, Ryoichi | en |
dc.contributor.author | Ishizaki, Kenji | en |
dc.contributor.author | De Zoysa, Menaka | en |
dc.contributor.author | Fukuhara, Shin | en |
dc.contributor.author | Inoue, Takuya | en |
dc.contributor.author | Tanaka, Yoshinori | en |
dc.contributor.author | Iwata, Kintaro | en |
dc.contributor.author | Hatsuda, Ranko | en |
dc.contributor.author | Yoshida, Masahiro | en |
dc.contributor.author | Gelleta, John | en |
dc.contributor.author | Noda, Susumu | en |
dc.contributor.alternative | 坂田, 諒一 | ja |
dc.contributor.alternative | 石﨑, 賢司 | ja |
dc.contributor.alternative | デ ゾイサ, メーナカ | ja |
dc.contributor.alternative | 福原, 真 | ja |
dc.contributor.alternative | 井上, 卓也 | ja |
dc.contributor.alternative | 田中, 良典 | ja |
dc.contributor.alternative | 岩田, 錦太郎 | ja |
dc.contributor.alternative | 初田, 蘭子 | ja |
dc.contributor.alternative | 吉田, 昌宏 | ja |
dc.contributor.alternative | 野田, 進 | ja |
dc.date.accessioned | 2020-07-22T05:33:10Z | - |
dc.date.available | 2020-07-22T05:33:10Z | - |
dc.date.issued | 2020-07-17 | - |
dc.identifier.issn | 2041-1723 | - |
dc.identifier.uri | http://hdl.handle.net/2433/252827 | - |
dc.description | 電気的に2次元ビーム走査可能な新たなフォトニック結晶レーザーチップの開発に成功. 京都大学プレスリリース. 2020-07-22. | ja |
dc.description | Order from chaos. 京都大学プレスリリース. 2020-11-18. | ja |
dc.description.abstract | Mechanical-free, high-power, high-beam-quality two-dimensional (2D) beam scanning lasers are in high demand for various applications including sensing systems for smart mobility, object recognition systems, and adaptive illuminations. Here, we propose and demonstrate the concept of dually modulated photonic crystals to realize such lasers, wherein the positions and sizes of the photonic-crystal lattice points are modulated simultaneously. We show using nano-antenna theory that this photonic nanostructure is essential to realize 2D beam scanning lasers with high output power and high beam quality. We also fabricate an on-chip, circuit-driven array of dually modulated photonic-crystal lasers with a 10 × 10 matrix configuration having 100 resolvable points. Our device enables the scanning of laser beams over a wide range of 2D directions in sequence and in parallel, and can be flexibly designed to meet application-specific demands. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Springer Nature | en |
dc.rights | © The Author(s) 2020. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. | en |
dc.subject | Applied optics | en |
dc.subject | Optical physics | en |
dc.subject | Photonic crystals | en |
dc.subject | Semiconductor lasers | en |
dc.title | Dually modulated photonic crystals enabling high-power high-beam-quality two-dimensional beam scanning lasers | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.jtitle | Nature Communications | en |
dc.identifier.volume | 11 | - |
dc.relation.doi | 10.1038/s41467-020-17092-w | - |
dc.textversion | publisher | - |
dc.identifier.artnum | 3487 | - |
dc.identifier.pmid | 32681086 | - |
dc.relation.url | https://www.kyoto-u.ac.jp/ja/research-news/2020-07-22-0 | - |
dcterms.accessRights | open access | - |
出現コレクション: | 学術雑誌掲載論文等 |
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