Rchr
J-GLOBAL ID：201301094880262853
Update date: Sep. 26, 2024
hirokazu kubota
クボタ ヒロカズ | hirokazu kubota
Affiliation and department：
Research field (1)：
Information networks
Research theme for competitive and other funds (1)：
- 2014 - 2017 Study on PLC based mode demultiplexer and its evaluation technique
Papers (47)：
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Tsutsumi, Y., Kitahara, K., Ohashi, M., Kubota, H., Miyoshi, Y., Yamashita, I. Cladding mode loss effect on transmission characteristics of mechanically induced long-period fiber gratings,機械式長周期ファイバグレーティングにおけるクラッドモード損失の伝送特性への影響. IEEJ Transactions on Electronics, Information and Systems. 2020. 140. 7
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Tsutsumi, Y., Kitahara, K., Ohashi, M., Kubota, H., Miyoshi, Y., Yamashita, I. Cladding mode loss effect on transmission characteristics of mechanically induced long-period fiber gratings. Electronics and Communications in Japan. 2020. 103. 11-12
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Kubota, H., Kosake, N., Miyoshi, Y., Ohashi, M. Unique loss characteristics in TE01 modes of conventional photonic bandgap fibers. Optics Letters. 2018. 43. 11
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Nozoe, S., Matsui, T., Tsujikawa, K., Taruno, M., Kubota, H., Ohashi, M., Nakajima, K. Variable Mode Excitation Ratio Method for Measuring Attenuation Coefficients of LP Mode Groups. Journal of Lightwave Technology. 2018. 36. 12
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Takahiro Hase, Yasuhiro Tsutsumi, Masaharu Ohashi, Yuji Miyoshi, Hirokazu Kubota. Resonance wavelength sensitivity due to pressure and temperature changes for mechanically-induced long period fiber grating in the 850-nm wavelength range. Optics InfoBase Conference Papers. 2017. 2017
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MISC (4)：
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Temperature property of long period fiber grating with a heat-shrinkable tube in the 800 nm wavelength range. 2017. 117. 54. 25-28
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Yamamoto Shuto, Yoshimatsu Toshihide, Takada Hidehiko, Komukai Tetsuro, Hashizume Yasuaki, Kubota Hirokazu, Masuda Hiroji, Jinno Masahiko, Takada Atsushi. B-10-64 Suppression of impairment due to intra-channel crosstalk using wavelength selective filter with broadening channel isolation. Proceedings of the Society Conference of IEICE. 2008. 2008. 2. 207
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Yoshimatsu Toshihide, Hashizume Yasuaki, Yamamoto Shuto, Takara Hidehiko, Kubota Hirokazu, Yoshida Eiji, Itoh Toshihiro, Jinno Masahiko, Takada Atsushi, Miyamoto Yutaka. B-10-78 40-Gbit/s NRZ-DQPSK Transmission Characteristics in 50-GHz Spacing ROADM System. Proceedings of the Society Conference of IEICE. 2008. 2008. 2. 221
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Masataka Nakazawa, Akio Sahara, Hirokazu Kubota. Marked increase in power margin through the use of dispersion-allocated soliton and evaluation of transmission characteristics using Q map: Comparison between D-A soliton, NRZ pulse, and RZ pulse at zero GVD. Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi). 1997. 80. 12. 17-27
Patents (14)：
Education (2)：
- 1984 - 1986 Osaka University Graduate School of Science
- - 1984 Osaka University School of Science
Professional career (1)：
Work history (3)：
- 2022/04 - 現在 Osaka Metropolitan University Graduate School of Engineering
- 2013/04 - Osaka Prefecture University Graduate School of Engineering
- 1986/04 - 日本電信電話(株)
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