Showing 1 - 4 results of 4 for search 'Hideki Hirayama', query time: 0.01s Refine Results
  1. 1
    Investigation of Light-Extraction Efficiency of Flip-Chip AlGaN-Based Deep-Ultraviolet Light-Emitting Diodes Adopting AlGaN Metasurface

    Investigation of Light-Extraction Efficiency of Flip-Chip AlGaN-Based Deep-Ultraviolet Light-Emitting Diodes Adopting AlGaN Metasurface by Joosun Yun, Hideki Hirayama

    Published 2021-01-01
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  2. 2
    Simultaneous influence of nanoPSS and photonic crystal on light extraction in AlGaN 304nm UVB LEDs

    Simultaneous influence of nanoPSS and photonic crystal on light extraction in AlGaN 304nm UVB LEDs by M. Ajmal Khan, Eriko Matsuura, Yukio Kashima, Hideki Hirayama

    Published 2025-06-01
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  3. 3
    Enhanced surface emission in terahertz quantum cascade lasers using plasma layer assisted photonic crystal waveguides

    Enhanced surface emission in terahertz quantum cascade lasers using plasma layer assisted photonic crystal waveguides by Mingxi Chen, Mingxi Chen, Tsung-Tse Lin, Tsung-Tse Lin, Li Wang, Hideki Hirayama, Chiko Otani, Chiko Otani

    Published 2025-06-01
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  4. 4
    Reduction of the threshold current of deep-ultraviolet laser diodes with embedded quantum dots in quantum wells

    Reduction of the threshold current of deep-ultraviolet laser diodes with embedded quantum dots in quantum wells by Zhongqiu Xing, Yongjie Zhou, Aoxiang Zhang, Sharif Muhammad Nawaz, Muhammad Ajmal khan, Hideki Hirayama, Fang Wang, Juin J Liou, Yuhuai Liu

    Published 2025-01-01
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