Dr. Masao Kawaguchi Profile

Dr. Masao Kawaguchi

at Panasonic Corporation

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Author

Publications (4)

Proceedings Article | 2 March 2020 Paper

A high power InGaN laser array with built-in smile suppression structure

Shinichiro Nozaki, Masao Kawaguchi, Takahiro Nibu, Hiroyuki Hagino, Atsunori Mochida, Takashi Kano, Shinichi Takigawa, Takuma Katayama, Tsuyoshi Tanaka, Kouji Oomori

Proceedings Volume 11262, 112620S (2020) https://doi.org/10.1117/12.2544184

KEYWORDS: Gallium nitride, Crystals, Indium gallium nitride, High power lasers, Semiconductor lasers, Laser processing, Light sources

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Proceedings Article | 26 February 2016 Paper

Optical-loss suppressed InGaN laser diodes using undoped thick waveguide structure

Masao Kawaguchi, Osamu Imafuji, Shinichiro Nozaki, Hiroyuki Hagino, Shinichi Takigawa, Takuma Katayama, Tsuyoshi Tanaka

Proceedings Volume 9748, 974818 (2016) https://doi.org/10.1117/12.2212011

KEYWORDS: Waveguides, Indium gallium nitride, Semiconductor lasers, Waveguide lasers, Laser optics, High power lasers, Gallium nitride, Quantum optics, Internal quantum efficiency, Laser resonators, Electrons, Cladding, Absorption, Light sources

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Proceedings Article | 8 March 2014 Paper

Design and lasing characteristics of GaN vertical elongated cavity surface emitting lasers

Masao Kawaguchi, Osamu Imafuji, Kentaro Nagamatsu, Kazuhiko Yamanaka, Shinichi Takigawa, Takuma Katayama

Proceedings Volume 8986, 89861K (2014) https://doi.org/10.1117/12.2037484

KEYWORDS: Vertical cavity surface emitting lasers, Gallium nitride, Quantum efficiency, Reflectivity, Optical resonators, Silica, Refractive index, Mirrors, Dielectrics, Quantum wells

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Proceedings Article | 29 January 2008 Paper

A GaN-based surface-emitting laser with 45degree-inclined mirror in horizontal cavity

Masao Kawaguchi, Satoshi Tamura, Masaaki Yuri, Daisuke Ueda

Proceedings Volume 6909, 69090F (2008) https://doi.org/10.1117/12.762502

KEYWORDS: Mirrors, Geometrical optics, Gallium nitride, Semiconducting wafers, Semiconductor lasers, Waveguides, Cladding, Etching, External quantum efficiency, Reflectivity

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