Mr. Kiyotomo Hasegawa Profile

Kiyotomo Hasegawa

at Mitsubishi Electric Corp

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Author

Publications (3)

Proceedings Article | 8 March 2024 Presentation + Paper

Improvement of one-chip Si photonics-based wavelength locker for light source modules

J. Suzuki, K. Hasegawa, K. Masuyama, M. Matsuura, N. Ohata

Proceedings Volume 12894, 1289408 (2024) https://doi.org/10.1117/12.3000315

KEYWORDS: Tolerancing, Silicon, Tunable filters, Silicon photonics, Light sources, Data communications, Optical filters, Waveguides, Emission wavelengths, Photonics

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Proceedings Article | 2 March 2020 Presentation + Paper

Development of coherent light source with wavelength of 1.5 micron for optical satellite communication

T. Ando, E. Haraguchi, Y. Sato, K. Hasegawa, Y. Takemoto, K. Matsuda, Y. Yajima

Proceedings Volume 11272, 1127210 (2020) https://doi.org/10.1117/12.2546902

KEYWORDS: Satellite communications, Satellites, Light sources, Optical communications, Doppler effect, Optical components, Prototyping, Signal to noise ratio, Modulation, Relays

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Proceedings Article | 31 January 2020 Presentation + Paper

High-speed optical devices and packaging techniques for data centers

N. Ohata, M. Shirao, Y. Kawamoto, T. Murao, M. Binkai, H. Sano, K. Hasegawa

Proceedings Volume 11308, 1130807 (2020) https://doi.org/10.1117/12.2544190

KEYWORDS: Eye, Data centers, Single mode fibers, Digital signal processing, Optical components, Multiplexers, Picosecond phenomena, Packaging, Modulation, Lead

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