Yoshida Masahiro

ヨシダマサヒロ | Yoshida Masahiro

Affiliation and department：
Job title：助教
Homepage URL (2)： http://www.qoe.kuee.kyoto-u.ac.jp/ , http://www.qoe.kuee.kyoto-u.ac.jp/e/index.php?FrontPage
Research theme for competitive and other funds (3)：

2022 - 2027 Non-Hermitian nanophotonics for ultimate photonic devices
2020 - 2022 Realization of large-area, high-brightness photonic crystal lasers by utilizing mutual interaction between one- and two-dimensional diffractions
2017 - 2020 高出力・高ビーム品質フォトニック結晶レーザの実現に関する研究

Papers (40)：

Takuya Inoue, Kentaro Maeda, Masahiro Yoshida, John Gelleta, Shumpei Katsuno, Kenji Ishizaki, Menaka De Zoysa, Susumu Noda. Influence of Band-Edge Frequency Non-Uniformity in Ultra-Large-Area Photonic-Crystal Surface-Emitting Lasers. IEEE Journal of Selected Topics in Quantum Electronics. 2025. 31. 2: Pwr. and Effic. Scaling in. 1-8
Yuhki Itoh, Takeshi Aoki, Kosuke Fujii, Hiroyuki Yoshinaga, Naoki Fujiwara, Makoto Ogasawara, Yusuke Sawada, Rei Tanaka, Kenichi Machinaga, Hideki Yagi, et al. Power Scalability of 1.55-μm-Wavelength InP-Based Double-Lattice Photonic-Crystal Surface-Emitting Lasers With Stable Continuous-Wave Single-Mode Lasing. IEEE Journal of Selected Topics in Quantum Electronics. 2025. 31. 2: Pwr. and Effic. Scaling in. 1-8
Shumpei Katsuno, Masahiro Yoshida, Takuya Inoue, Menaka De Zoysa, Ranko Hatsuda, Kenji Ishizaki, Susumu Noda. Design and experimental demonstration of photonic-crystal lasers with multijunction active layers. Applied Physics Express. 2024
Susumu Noda, Masahiro Yoshida, Takuya Inoue. The Brightest Semiconductor Laser Ever: Photonic Crystals Enable Tiny Lasers to Melt Steel. IEEE Spectrum. 2024. 61. 5. 22-57
Takeshi Aoki, Yuhki Itoh, Kosuke Fujii, Hiroyuki Yoshinaga, Naoki Fujiwara, Makoto Ogasawara, Yusuke Sawada, Rei Tanaka, Hideki Yagi, Masaki Yanagisawa, et al. High-power, stable single-mode CW operation of 1550 nm wavelength InP-based photonic-crystal surface-emitting lasers. Applied Physics Express. 2024. 17. 4. 042004-042004

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MISC (70)：

野口直哉, 井上卓也, 吉田昌宏, KIM Heungjoon, 浅野卓, 野田進. Observation of unidirectional radiation and reflection phenomena in double-lattice photonic crystals. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
和泉孝紀, DE ZOYSA Menaka, 行舎直起, 小林宇翔, 井上卓也, 勝野峻平, 吉田昌宏, 石崎賢司, 初田蘭子, 浅野卓, et al. Real-time control of lasing mode state in multiple-electrode PCSEL under CW condition based on CMA-ES and deep learning. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2023. 84th
井上卓也, 森田遼平, 吉田昌宏, DE ZOYSA Menaka, 石崎賢司, 野田進. Short-pulse high-peak-power pulsation based on self-evolving photonic crystals. 日本物理学会講演概要集(CD-ROM). 2023. 78. 2
森田遼平, 井上卓也, 吉田昌宏, DE ZOYSA Menaka, 石崎賢司, 野田進. Narrow intrinsic linewidth (~1 kHz) operation of photonic-crystal surface-emitting lasers. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2023. 84th
井上卓也, 森田遼平, 吉田昌宏, DE ZOYSA Menaka, 石崎賢司, 野田進. Short-pulse High-power Operation of Photonic-Crystal Surface-Emitting Lasers. 電子情報通信学会大会講演論文集(CD-ROM). 2023. 2023

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Lectures and oral presentations (4)：

50W Continuous-Wave Operation of a 3mm-diameter Photonic-Crystal Surface-Emitting Laser
(CLEO 2023 2023)
10 W High-Power and High-Beam-Quality Pulsed Operation of Double-Hole Photonic-Crystal Surface-Emitting Lasers
(CLEO 2018)
Elliptical double-hole photonic-crystal surface-emitting lasers
(2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR) 2017)
Fabrication of photonic-crystal structures by TBAs-based MOVPE for photonic-crystal lasers
(2016 Compound Semiconductor Week (CSW) 2016)

Awards (9)：

2023/04 - レーザー学会論文発表奨励賞
2021/10 - Gold Medal of ISLC2021
2020/12 - 第21回計測自動制御学会システムインテグレーション部門講演会優秀講演賞
2019/12 - Photonics Encouragement Award
2019/11 - Young Scientist Presentation Award

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