CONFERENCE PROCEEDINGS
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Masayuki Yamaguchi
General Manager at Fujikura Ltd
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Publications (5)
Proceedings Article | 2 March 2020 Paper
Highly efficient 9xx-nm band single emitter laser diodes optimized for high output power operation
Yuji Yamagata, Yoshikazu Kaifuchi, Ryozaburo Nogawa, Kyohei Yoshida, Rintaro Morohashi, Masayuki Yamaguchi
Proceedings Volume 11262, 1126203 (2020) https://doi.org/10.1117/12.2545721
KEYWORDS: Resistance, Waveguides, Semiconductor lasers, Doping, Absorption, Reliability, Failure analysis, Electroluminescence, Structural design, Fiber lasers
Proceedings Article | 4 March 2019 Presentation + Paper
Enhanced power conversion efficiency in 900-nm range single emitter broad stripe laser diodes maintaining high power operability
Proceedings Volume 10900, 109000F (2019) https://doi.org/10.1117/12.2509184
KEYWORDS: Semiconductor lasers, High power lasers, Active optics, Fiber lasers, Laser systems engineering
Proceedings Article | 19 February 2018 Paper
High polarization purity operation of 99% in 9xx-nm broad stripe laser diodes
Rintaro Morohashi, Yuji Yamagata, Yoshikazu Kaifuchi, Katsuhisa Tada, Ryozaburo Nogawa, Yumi Yamada, Masayuki Yamaguchi
Proceedings Volume 10514, 105140B (2018) https://doi.org/10.1117/12.2288157
KEYWORDS: Polarization, Semiconductor lasers, High power lasers, Near field, Waveguides, Metalorganic chemical vapor deposition
Proceedings Article | 22 February 2017 Presentation + Paper
Ultimate high power operation of 9xx-nm single emitter broad stripe laser diodes
Yoshikazu Kaifuchi, Yuji Yamagata, Ryozaburo Nogawa, Rintaro Morohashi, Yumi Yamada, Masayuki Yamaguchi
Proceedings Volume 10086, 100860D (2017) https://doi.org/10.1117/12.2251145
KEYWORDS: High power lasers, Semiconductor lasers, Fiber lasers, Resistance, Laser development, Waveguides, Indium gallium arsenide, Light sources, Reliability
Proceedings Article | 13 March 2015 Paper
915nm high-power broad area laser diodes with ultra-small optical confinement based on Asymmetric Decoupled Confinement Heterostructure (ADCH)
Yuji Yamagata, Yumi Yamada, Masanori Muto, Syunta Sato, Ryozaburo Nogawa, Akira Sakamoto, Masayuki Yamaguchi
Proceedings Volume 9348, 93480F (2015) https://doi.org/10.1117/12.2078698
KEYWORDS: High power lasers, Reliability, Semiconductor lasers, Active optics, Heterojunctions, Fiber lasers, Laser systems engineering, Absorption, Broad area laser diodes, Absorbance
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