Dr. Koji Takeda Profile

Dr. Koji Takeda

at NTT Device Technology Labs

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Author

Publications (5)

Proceedings Article | 13 March 2024 Presentation + Paper

Micro-transfer-printed membrane lasers on Si platform

Y. Maeda, T. Aihara, T. Fujii, T. Hiraki, K. Takeda, T. Tsuchizawa, H. Sugiyama, T. Sato, T. Segawa, Y. Ota, S. Iwamoto, Y. Arakawa, S. Matsuo

Proceedings Volume 12905, 129050H (2024) https://doi.org/10.1117/12.2691319

KEYWORDS: Silicon, Waveguides, Semiconductor lasers, Laser sintering, Printing, Reflection, Modulation, Geometrical optics, Fabrication, Wafer level optics

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Proceedings Article | 13 March 2019 Presentation

III-V membrane lasers integrated with Si nanowire waveguide (Conference Presentation)

Takuma Aihara, Tatsurou Hiraki, Koji Takeda, Koichi Hasebe, Takuro Fujii, Tai Tsuchizawa, Takaaki Kakitsuka, Shinji Matsuo

Proceedings Volume 10939, 109390T (2019) https://doi.org/10.1117/12.2506925

KEYWORDS: Silicon, Semiconductor lasers, Waveguides, Silicon photonics, Nanowires, Photonic devices, Wafer-level optics, Transmitters, Waveguide lasers, Refractive index

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Proceedings Article | 25 October 2018 Paper

Ultra-high efficiency III-V on Si MOS capacitor Mach-Zehnder modulator

T. Aihara, T. Hiraki, K. Hasebe, T. Fujii, K. Takeda, T. Tsuchizawa, T. Kakitsuka, H. Fukuda, S. Matsuo

Proceedings Volume 10823, 1082309 (2018) https://doi.org/10.1117/12.2503433

KEYWORDS: Silicon, Molybdenum, Capacitors, Modulation, Phase shifts, Phase shift keying, Waveguides, Modulators, Refractive index, Electrodes

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Proceedings Article | 21 May 2018 Paper

Ultrahigh efficiency III-V on Si MOS capacitor optical modulator

T. Hiraki, T. Aihara, K. Hasebe, T. Fujii, K. Takeda, T. Tsuchizawa, T. Kakitsuka, H. Fukuda, S. Matsuo

Proceedings Volume 10686, 106860K (2018) https://doi.org/10.1117/12.2312315

KEYWORDS: Silicon, Modulators, Phase shifts, Semiconducting wafers, Modulation, Wafer-level optics

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Proceedings Article | 7 March 2016 Paper

Photonic-crystal lasers on silicon for chip-scale optical interconnects

Koji Takeda, Takuro Fujii, Akihiko Shinya, Eiichi Kuramochi, Masaya Notomi, Koichi Hasebe, Takaaki Kakitsuka, Shinji Matsuo

Proceedings Volume 9767, 976710 (2016) https://doi.org/10.1117/12.2208312

KEYWORDS: Photonic crystal devices, Optical interconnects, Wafer bonding, Semiconducting wafers, Silicon, Semiconductor lasers, Continuous wave operation, Waveguides, Silicon photonics, Light sources, Hybrid silicon lasers, Optical communications, Modulation, Silica

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