Dr. Masaki Yanagisawa Profile

Dr. Masaki Yanagisawa

at Sumitomo Electric Industries Ltd

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Author

Publications (4)

Proceedings Article | 15 March 2023 Presentation + Paper

High-power with single-lobe beam of 1.3-μm InP-based double-lattice photonic-crystal surface-emitting lasers

Yuhki Itoh, Naoya Kono, Kosuke Fujii, Hiroyuki Yoshinaga, Naoki Fujiwara, Makoto Ogasawara, Rei Tanaka, Hideki Yagi, Masaki Yanagisawa, Masahiro Yoshida, Takuya Inoue, Menaka De Zoysa, Kenji Ishizaki, Susumu Noda

Proceedings Volume 12440, 124400E (2023) https://doi.org/10.1117/12.2648858

KEYWORDS: Photonic crystals, High power lasers, Continuous wave operation, Semiconductor lasers, Dry etching

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Proceedings Article | 3 March 2022 Presentation + Paper

Performance of PAM-4 VCSEL for short-reach 100 Gb/s per lane applications up to 85°C

Takeshi Aoki, Hiroyuki Hiiro, Rei Tanaka, Yuji Koyama, Susumu Yoshimoto, Masaki Yanagisawa

Proceedings Volume 12020, 120200C (2022) https://doi.org/10.1117/12.2607702

KEYWORDS: Vertical cavity surface emitting lasers, Modulation, Eye, Transmitters, Receivers, Oxides, Temperature metrology, Multimode fibers, Standards development, Quantum wells

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Proceedings Article | 24 February 2020 Paper

1×4 VCSEL arrays with uniform spectral and noise properties by using rotationally asymmetric oxide aperture for 400 Gbit/s applications

Daisuke Inoue, Ryosuke Kubota, Takeshi Aoki, Takashi Ishizuka, Masaki Yanagisawa, Hajime Shoji

Proceedings Volume 11300, 113000F (2020) https://doi.org/10.1117/12.2543156

KEYWORDS: Oxides, Semiconducting wafers, Optical fibers, Oxidation, Eye, Wafer-level optics

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Proceedings Article | 4 April 2011 Paper

Wafer-level fabrication of distributed feedback laser diodes by utilizing UV nanoimprint lithography

Masaki Yanagisawa, Yukihiro Tsuji, Hiroyuki Yoshinaga, Naoya Kouno, Kenji Hiratsuka

Proceedings Volume 7970, 797014 (2011) https://doi.org/10.1117/12.879367

KEYWORDS: Nanoimprint lithography, Diffraction gratings, Electron beam lithography, Semiconducting wafers, Etching, Distributed feedback laser diodes, Reliability, Reactive ion etching, Optical communications, Photomasks

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