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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMT, PN, MWPTHz, IEE-EMT [detail] | 2024-01-23 12:50 |
Kyoto | Kyoto Univ. Yoshida Campus | Multiple-Parallel Interference Optical Modulators Based on Multi-Branched MMI Optical Couplers Shotaro Yasumori, Keita Morimoto, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Shinya Nakajima, Kouichi Akahane (NICT)  PN2023-61 EMT2023-101 MWPTHz2023-89 |
Multiple-parallel interference optical modulators, where multiple phase-modulated lightwaves are directly interfered wit... [more] | PN2023-61 EMT2023-101 MWPTHz2023-89 pp.74-77 |
| MW | 2023-12-22 10:00 |
Shizuoka | Shizuoka University (Hamamatsu Campus) (Primary: On-site, Secondary: Online) |
3.7GHz Unequal LC-Ladder Divider Using Quasi-Lumped-Elements Masatoshi Fukunaga, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2023-153 |
We have designed and fabricated unequal power dividers that combine and divide microwaves at an arbitrary ratio at the r... [more] | MW2023-153 pp.24-28 |
| EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] | 2023-07-21 09:10 |
Hokkaido | Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
Experimental Study of Five-way Divider Utilizing Unequal LC-ladder dividers Masatoshi Fukunaga, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) EMT2023-49 MW2023-67 OPE2023-49 EST2023-49 MWPTHz2023-45 |
In recent years, microwave technology has been used in various fields such as next generation mobile communication syste... [more] | EMT2023-49 MW2023-67 OPE2023-49 EST2023-49 MWPTHz2023-45 pp.202-207 |
| MW | 2022-12-15 13:55 |
Mie | Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
Experimental Study of Unequal LC-Ladder Dividers with Arbitrary Two Matching Frequencies Masatoshi Fukunaga, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2022-133 |
The Wilkinson power divider of a 3-port network is one of the important circuit elements widely used not only for dividi... [more] | MW2022-133 pp.11-15 |
| MW | 2022-05-20 11:15 |
Kyoto | Kyoto Univ. (Primary: On-site, Secondary: Online) |
A Design of Lumped-Element Unequal Power Divider with Two Matching Frequencies Masatoshi Fukunaga, Ayumu Tsuchiya, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2022-19 |
The Wilkinson power divider, which distributes/combines microwave signals, is one of the key circuit components in a mic... [more] | MW2022-19 pp.23-27 |
| PN, MWP, EMT, PEM, IEE-EMT [detail] | 2022-01-28 15:45 |
Online | Online | Mach-Zehnder optical modulator with tunable multimode interference coupler of Ti:LiNbO3 waveguides for modulation of high extinction ratio Anna Hirai, Shotaro Yasumori, Yuichi Matsumoto (Univ of Hyogo.), Takanori Sato (Hokkaido Univ.), Tadashi Kawai, Akira Enokihara (Univ of Hyogo.), Shinya Nakajima, Atsushi Kanno, Naokatsu Yamamoto (NICT) PN2021-48 EMT2021-64 MWP2021-53 |
A Mach-Zehnder optical modulator (MZM) with multimode interference (MMI) couplers using Ti-diffused LiNbO3 was considere... [more] | PN2021-48 EMT2021-64 MWP2021-53 pp.85-90 |
| MW | 2021-11-18 16:30 |
Kagoshima | Kagoshima University (Primary: On-site, Secondary: Online) |
Design of Dual-Band Semi-Lumped Element Power Divider with Constant Absolute Bandwidth Ayumu Tsuchiya, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2021-73 |
In recent years, the dramatic evolution of information and communication technology and the expansion of its fields of u... [more] | MW2021-73 pp.35-39 |
| WPT, MW | 2021-04-16 13:55 |
Online | Online | Experimental Study of UHF/SHF Dual-Band Semi-Lumped-Element Power Divider Ayumu Tsuchiya, Taiji Okuda, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) WPT2021-3 MW2021-3 |
The Wilkinson power divider is widely used as a circuit that divides microwave signals in the same phase, such as a powe... [more] | WPT2021-3 MW2021-3 pp.11-15 |
| EMT, MWP, PN, IEE-EMT [detail] | 2021-01-21 13:25 |
Online | Online | Fabrication and Measurement of Optical Multi-mode Interference Devices Using Ti-diffused LiNbO3 Waveguides and Consideration on Voltage Control of Device Properties Anna Hirai, Yuichi Matsumoto (Univ. of Hyogo), Takanori Sato (Hokkaido Univ.), Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Shinya Nakajima, Naokatsu Yamamoto (NICT) PN2020-34 EMT2020-52 MWP2020-35 |
Optical couplers based on Multi-mode interference (MMI) of Ti-diffused LiNbO3 (Ti:LN) waveguides were analyzed by the be... [more] | PN2020-34 EMT2020-52 MWP2020-35 pp.28-31 |
| MW | 2019-11-15 12:50 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | Design of Compact Uniplanar Rat-Race Circuit with Broadband Characteristics at 2.45GHz Ryosuke Nakai, Kensuke Nagano, Yuya Haoka, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2019-115 |
Rat-race circuits (RRCs) are used as important circuit elements that play combining/dividing of microwave signals. The R... [more] | MW2019-115 pp.87-92 |
| MW (2nd) |
2019-06-26 - 2019-06-28 |
Overseas | RUS, Bangkok, Thailand | Design of Substrate Integrated Waveguide Type Butler Matrix at 12.5GHz Kohei Fukuda, Koki Denda, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) |
In this paper, we study -3dB and 0dB couplers of the H-plane waveguide circuits in order to apply these couplers to Subs... [more] | |
| PN, EMT, OPE, EST, MWP, LQE, IEE-EMT [detail] | 2019-01-18 11:40 |
Osaka | Osaka University Nakanoshima Center | Dual-Parallel Electro-Optic Modulator Integrated with Microwave Hybrid Circuit for Compensation of Third-Order Inter Modulation Distortion Yuta Kashiwagi, Daichi Furubayashi, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Yukako Takizawa (Hyogo Pref. Inst. Tech.), Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.) PN2018-59 EMT2018-93 OPE2018-168 LQE2018-178 EST2018-106 MWP2018-77 |
A new optical compensation method of the third-order intermodulation distortion (IMD3) was proposed, we considered to mi... [more] | PN2018-59 EMT2018-93 OPE2018-168 LQE2018-178 EST2018-106 MWP2018-77 pp.161-165 |
| MW | 2018-12-14 09:45 |
Kanagawa | Kanagawa Univ. | Design of N-way power dividers using LC-ladder circuit Kensuke Nagano, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2018-128 |
In this paper, we are conducting an evaluation of N-way power divider using LC-ladder circuits. The proposed circuit has... [more] | MW2018-128 pp.83-86 |
| MW | 2018-12-14 10:10 |
Kanagawa | Kanagawa Univ. | Design of Broadband Branch-Line Coupler with Loose Coupling Utilizing Coupled-Transmission Lines at Ka-Band Yuya Haoka, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2018-129 |
This paper describes broadband branch-line couplers (BLCs) with arbitrary power split ratios at Ka-band. The coupler has... [more] | MW2018-129 pp.87-91 |
| MW (2nd) |
2018-06-27 - 2018-06-29 |
Overseas | KMITL, Bangkok, Thailand | X-Band Broadband Branch-Line Coupler with Loose Coupling Utilizing Short-/Open-Circuited Coupled-Transmission Lines Yuya Haoka, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) |
In this research, we describe broadband branch-line couplers with very loose coupling at X-band. The proposed branch-lin... [more] | |
| MW (2nd) |
2018-06-27 - 2018-06-29 |
Overseas | KMITL, Bangkok, Thailand | Design of Multi-Section LC-Ladder Divider at VHF-Band Kensuke Nagano, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) |
This paper describes a broadband lumped-element power divider composed of multi-section LC-ladder circuits and an isolat... [more] | |
| EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] | 2018-01-26 09:55 |
Hyogo | Electro-optic modulator using resonator electrodes of parallel-coupled-three-line Michio Ishida, Ryota Kunihiro, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Yoshiki Yanagisawa, Yutaka Suwabe (TME), Naokatsu Yamamoto (NICT) PN2017-80 EMT2017-117 OPE2017-158 LQE2017-140 EST2017-116 MWP2017-93 |
[more] | PN2017-80 EMT2017-117 OPE2017-158 LQE2017-140 EST2017-116 MWP2017-93 pp.247-250 |
|
| MWP, OPE, EMT, MW, EST, IEE-EMT [detail] | 2017-07-21 09:00 |
Hokkaido | Obihiro Chamber of Commerce and Industry | Optical frequency comb generation by electro-optic chirp modulator integrated with microwave power splitter circuit Naoki Maeda, Ryota Nakamura, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.) EMT2017-27 MW2017-52 OPE2017-32 EST2017-29 MWP2017-29 |
The generation conditions of the frequency comb signals that are composed of relatively small number, seven or nine, of ... [more] | EMT2017-27 MW2017-52 OPE2017-32 EST2017-29 MWP2017-29 pp.111-116 |
| MW | 2017-05-19 09:55 |
Osaka | Osaka Univ. (Seminar Room1, Osaka Univ. Kaikan) | Fabrication of LC-Ladder 3-Way Power Dividers at UHF Band Aiki Tanaka, Yosuke Okada, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2017-14 |
[more] | MW2017-14 pp.37-41 |
| MW | 2016-12-15 15:10 |
Kanagawa | National Defense Academy | Design method of unequal Wilkinson power divider using LC-ladder circuits Yosuke Okada, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2016-146 |
Authors have proposed the Wilkinson power divider using LC-ladder circuits for miniaturization of conventional power div... [more] | MW2016-146 pp.79-82 |
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