Kuwahara Masashi

クワハラマサシ | Kuwahara Masashi

Affiliation and department：
Other affiliations (1)：

Research field (1)： Mathematical physics and basic theory

Research keywords (5)： Optical properties , Optical switch device , Surface Physics , Phase Change material , Optical memory

Research theme for competitive and other funds (14)：

2021 - 2025 Study on a phase-change optical switch for low-power-consumption reconfigurable photonic networks
2020 - 2024 相変化光スイッチの相変化状態制御の理論解析と最適なデバイス構造・材料の探索
2019 - 2023 相変化材料とVO2の複合化による応力印加VO2結晶転移温度制御
2018 - 2021 Study on phase-change energy efficient optical switch for large-scale photonic network systems
2015 - 2019 Theoretical search for the optimum condition of super-resolution effects with the formation of nanoscale optical windows

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Papers (99)：

Takuto Ohnuki, Kunio Okimura, Reki Nakamoto, Yuji Muraoka, Joe Sakai, Masashi Kuwahara. Modulation of insulator metal transition of VO2 films grown on Al2O3 (001) and TiO2 (001) substrates by the crystallization of capping Ge2Sb2Te5 layer. Journal of Applied Physics. 2023. 134. 24
Masataka Kobayashi, Yusuke Arashida, Kanta Asakawa, Keisuke Kaneshima, Masashi Kuwahara, Kuniaki Konishi, Junji Yumoto, Makoto Kuwata-Gonokami, Jun Takeda, Ikufumi Katayama. Pulse-to-pulse ultrafast dynamics of highly photoexcited Ge₂Sb₂Te₅ thin films. Japanese Journal of Applied Physics. 2023. 62. 2. 022001-022001
Kunio Okimura, Joe Sakai, Masashi Kuwahara, Mustapha Zaghrioui, Yoichi Uehara. Approaching ultrathin VO2 films on sapphire (001) substrates by biased reactive sputtering: Characteristic morphology and its effect on the infrared-light switching. Journal of Vacuum Science & Technology A. 2021. 39. 4. 043401-043401
Joe Sakai, Masashi Kuwahara, Kunio Okimura, Yoichi Uehara. Stress-Induced In Situ Modification of Transition Temperature in VO2 Films Capped by Chalcogenide. Materials. 2020. 13. 23. 5541-5541
Kanta Asakawa, Dang-il Kim, Shotaro Yaguchi, Mikito Tsujii, Katsumasa Yoshioka, Keisuke Kaneshima, Yusuke Arashida, Shoji Yoshida, Hidemi Shigekawa, Masashi Kuwahara, et al. Nanoscale phase change on Ge2Sb2Te5 thin films induced by optical near fields with photoassisted scanning tunneling microscope. Applied Physics Letters. 2020. 117. 21. 211102-211102

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MISC (43)：

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Professional career (1)：

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