Dr. Ziyi Zhang Profile

Dr. Ziyi Zhang

at Asahi Kasei Corp

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Author

Publications (3)

Proceedings Article | 26 September 2023 Presentation

Current-injected continuous-wave AlGaN-based UVC laser diodes

Maki Kushimoto, Ziyi Zhang, Akira Yoshikawa, Koji Aoto, Yoshio Honda, Leo Schowalter, Chiaki Sasaoka, Hiroshi Amano

Proceedings Volume PC12421, (2023) https://doi.org/10.1117/12.2650922

KEYWORDS: Semiconductor lasers, Continuous wave operation, Cladding, Waveguides, Resistance, Refractive index, Aluminum, Quantum wells, Optical design, Active optics

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Proceedings Article | 5 March 2022 Presentation

Emission uniformity of UVC laser diodes on AlN substrates

Maki Kushimoto, Ziyi Zhang, Yoshio Honda, Leo Schowalter, Chiaki Sasaoka, Hiroshi Amano

Proceedings Volume PC12001, PC120010L (2022) https://doi.org/10.1117/12.2604370

KEYWORDS: Semiconductor lasers, Aluminum nitride, Heat treatments, Deep ultraviolet, Crystals, Polarization, Laser crystals, Doping

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Proceedings Article | 5 March 2021 Presentation + Paper

Development of UV-C laser diodes on AlN substrate

Maki Kushimoto, Zhang Ziyi, Naoharu Sugiyama, Yoshio Honda, Leo Schowalter, Chiaki Sasaoka, Hiroshi Amano

Proceedings Volume 11686, 116860P (2021) https://doi.org/10.1117/12.2575872

KEYWORDS: Semiconductor lasers, Mirrors, Wet etching, Semiconductors, Semiconducting wafers, Polarization, Fabrication, Electrodes, Dry etching, Doping

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