Mr. Yoji Nagao Profile

Yoji Nagao

at Nichia Corp

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 8 March 2024 Presentation + Paper

Development of highly efficient blue and green edge-emitting laser diodes

Katsuhiro Kishimoto, Tsuyoshi Hirao, Tomonori Morizumi, Yoji Nagao, Yoshitaka Nakatsu, Tomoya Yanamoto, Shin-ichi Nagahama

Proceedings Volume 12886, 1288609 (2024) https://doi.org/10.1117/12.2692586

KEYWORDS: Continuous wave operation, Semiconductor lasers, Light sources, Gallium nitride, Metalorganic chemical vapor deposition, Reliability, RGB color model, Ultraviolet radiation

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Proceedings Article | 15 March 2023 Presentation + Paper

Blue and green edge-emitting laser diodes and vertical-cavity surface emitting lasers on C-plane GaN substrates

Yoshitaka Nakatsu, Tsuyoshi Hirao, Tomonori Morizumi, Yoji Nagao, Kenichi Terao, Hitoshi Nagai, Shingo Masui, Tomoya Yanamoto, Shin-ichi Nagahama

Proceedings Volume 12421, 124210F (2023) https://doi.org/10.1117/12.2645282

KEYWORDS: Semiconductor lasers, Gallium nitride, Metalorganic chemical vapor deposition, High power lasers, Light sources

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Proceedings Article | 5 March 2022 Presentation + Paper

Edge-emitting blue laser diode with high CW wall-plug efficiency of 50 %

Yoshitaka Nakatsu, Yoji Nagao, Tsuyoshi Hirao, Kazuma Kozuru, Tatsuya Kanazawa, Shingo Masui, Eiichiro Okahisa, Tomoya Yanamoto, Shin-ichi Nagahama

Proceedings Volume 12001, 1200109 (2022) https://doi.org/10.1117/12.2601154

KEYWORDS: Semiconductor lasers, Continuous wave operation, Light sources and illumination, Fiber optics, High power lasers, Metalorganic chemical vapor deposition, Laser development, Projection systems, Light sources, Gallium nitride

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Proceedings Article | 16 February 2020 Paper

Blue and green InGaN semiconductor lasers as light sources for displays

Yoshitaka Nakatsu, Yoji Nagao, Tsuyoshi Hirao, Yoshihiro Hara, Shingo Masui, Tomoya Yanamoto, Shin-ichi Nagahama

Proceedings Volume 11280, 112800S (2020) https://doi.org/10.1117/12.2541710

KEYWORDS: Continuous wave operation, Light sources, Semiconductor lasers, High power lasers, Indium gallium nitride, Metalorganic chemical vapor deposition, Gallium nitride, Projection systems, Electrodes, Reliability, Group III-V semiconductors, Edge emitting semiconductor lasers

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Proceedings Article | 1 March 2019 Paper

High-efficiency blue and green laser diodes for laser displays

Yoshitaka Nakatsu, Yoji Nagao, Kazuma Kozuru, Tsuyoshi Hirao, Eiichiro Okahisa, Shingo Masui, Tomoya Yanamoto, Shin-ichi Nagahama

Proceedings Volume 10918, 109181D (2019) https://doi.org/10.1117/12.2505309

KEYWORDS: Light sources, Semiconductor lasers, Laser based displays, Gallium nitride, High power lasers, Metalorganic chemical vapor deposition, Indium gallium nitride

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