Dr. Akiyoshi Watanabe Profile

Dr. Akiyoshi Watanabe

at Hamamatsu Photonics KK

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Author

Publications (3)

Proceedings Article | 20 February 2017 Paper

Fabrication and characterization of photonic-crystal surface-emitting lasers with triangular double-hole lattice points

Akiyoshi Watanabe, Kazuyoshi Hirose, Takahiro Sugiyama, Menaka De Zoysa, Yoshinori Tanaka, Hitoshi Kitagawa, Susumu Noda

Proceedings Volume 10123, 101231O (2017) https://doi.org/10.1117/12.2250104

KEYWORDS: Photonic crystals, Semiconductor lasers, Thermal effects, Pulsed laser operation, Double patterning technology, Photonics, Diffraction, Cladding, Image processing, Light sources, Crystals

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Proceedings Article | 27 February 2014 Paper

Realization of high-power narrow beam divergence in photonic-crystal surface-emitting laser

K. Hirose, Y. Kurosaka, A. Watanabe, T. Sugiyama, Y. Liang, S. Noda

Proceedings Volume 9002, 90021J (2014) https://doi.org/10.1117/12.2038659

KEYWORDS: Semiconductor lasers, Photonics, High power lasers, Cladding, Metalorganic chemical vapor deposition, Gaussian beams, Photonic crystals, Beam controllers, Continuous wave operation

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Proceedings Article | 27 February 2014 Paper

Photonic crystal surface-emitting lasers as a pumping light source for second harmonic generation

Akiyoshi Watanabe, Kazuyoshi Hirose, Yoshitaka Kurosaka, Takahiro Sugiyama, Yong Liang, Susumu Noda

Proceedings Volume 9002, 90020Z (2014) https://doi.org/10.1117/12.2038675

KEYWORDS: Second-harmonic generation, Photonic crystals, Semiconductor lasers, Light sources, Laser crystals, Complex systems, Light, Optical pumping, Harmonic generation

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