enokihara akira 榎原晃

… Alternative Names

Enokihara Akira 榎原晃

ENOKIHARA Akira 榎原晃

Less

Researcher Number	10514383
Other IDs
Affiliation (Current)	2025: 兵庫県立大学, 工学研究科, 特任教授
Affiliation (based on the past Project Information) *help	2025: 兵庫県立大学, 工学研究科, 特任教授 2014 – 2023: 兵庫県立大学, 工学研究科, 教授 2012: 兵庫県立大学, 大学院・工学研究科, 教授 2012: 兵庫県立大学, 工学(系)研究科(研究院), 教授 2010 – 2011: 兵庫県立大学, 工学研究科, 教授
Review Section/Research Field	Principal Investigator Electron device/Electronic equipment / Basic Section 21060:Electron device and electronic equipment-related / Transformative Research Areas, Section (IV)
Keywords	Principal Investigator ニオブ酸リチウム / 電気光学変調器 / 電気光学光変調器 / 多モード干渉光導波路 / ラットレース回路 / 歪み補償 / 波長チャープ / 電子デバイス・機器 / 多重並列干渉光変調器 / 逓倍光変調 … More / テラヘルツ波 / 光導波路 / 空間光変調 / モード多重伝送 / 光行列演算 / 光変調素子 / チタン拡散光道波路 / 電気光学素子 / チタン拡散光導波路 / 90°ハイブリッド / 光結合器 / 電気光学変調素子 / ３次高調波歪み / 電子光学変調器 / ３次相互変調歪み / 非線形 / プリチャープ変調 / 並列リング型 / 光周波数コム / 光SSB変調 / 電気光学結晶 / 光ＳＳＢ変調 / フォトニックネットワーク / 応用光学・量子光工学 / 光回路 / 光デバイス Less

Low-loss photonic matrix computing based on optical spatial modulation in mode-multiplexed transmissionPrincipal Investigator
- Principal Investigator
  
  榎原晃
- Project Period (FY)
  2025 – 2026
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (A)
- Review Section
  
  Transformative Research Areas, Section (IV)
- Research Institution
  University of Hyogo
Advanced electro-optic modulator for terahertz wireless signal generation and its application to radio-over-fiberPrincipal Investigator
- Principal Investigator
  
  榎原晃
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21060:Electron device and electronic equipment-related
- Research Institution
  University of Hyogo
Research on Electro-optic devices using multi-mode interference waveguidesPrincipal Investigator
- Principal Investigator
  
  Enokihara Akira
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21060:Electron device and electronic equipment-related
- Research Institution
  University of Hyogo
Electro-optic Modulator for Compensating the Third Order Intermodulation Distortion by Optical InterferencePrincipal Investigator
- Principal Investigator
  
  Enokihara Akira
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  University of Hyogo
Small-sized light modulator with optical frequency-chirp of which amount can be preset and its applicationsPrincipal Investigator
- Principal Investigator
  
  Enokihara Akira
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  University of Hyogo
Investigation on highly functional light modulator integrated with microwave circuitsPrincipal Investigator
- Principal Investigator
  
  ENOKIHARA Akira
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  University of Hyogo

[Book] フォトニクスの基礎2019
- Author(s)
  榎原晃、川西哲也
- Total Pages
  200
- Publisher
  コロナ社
- ISBN
  9784339009224
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Optical Mode Multiplexer Using LiNbO3 Asymmetric Directional Coupler Enabling Voltage Control for Phase-Matching Condition2024
- Author(s)
 YASUMORI Shotaro、MORIKAWA Seiya、SATO Takanori、KAWAI Tadashi、ENOKIHARA Akira、NAKAJIMA Shinya、AKAHANE Kouichi
- Journal Title
 
 IEICE Trans. Electron.
 
 Volume: E107.C Issue: 5 Pages: 146-149
- DOI
 10.1587/transele.2023ECS6011
- ISSN
 0916-8524, 1745-1353
- Year and Date
 2024-05-01
- Language
 English
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20K04601
[Journal Article] Compact five-way power divider using unequal LC-ladder dividers with two matching frequencies2023
- Author(s)
  Fukunaga Masatoshi、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  31st Asia-Pacific Microwave Conference, APMC 2023
  
  Volume: - Pages: 257-259
- DOI
  10.1109/apmc57107.2023.10439763
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Electro-Optic Modulator With Tunable Multimode Interference Couplers Based on LiNbO3 Waveguides and Optical Single-Sideband Modulation2023
- Author(s)
  Yasumori Shotaro、Sato Takanori、Morimoto Keita、Kawai Tadashi、Enokihara Akira、Nakajima Shinya、Kanno Atsushi
- Journal Title
  
  Journal of Lightwave Technology
  
  Volume: 41 Issue: 23 Pages: 7059-7066
- DOI
  10.1109/jlt.2023.3324838
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601, KAKENHI-PROJECT-22K20433
[Journal Article] An electro-optic full adder designed with coupled Si ring resonators for highly dense integration2022
- Author(s)
  Takanori Sato and Akira Enokihara
- Journal Title
  
  Results in Optics
  
  Volume: - Pages: 100230-100230
- DOI
  10.1016/j.rio.2022.100230
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K15037, KAKENHI-PROJECT-20K04601
[Journal Article] Unequal LC-Ladder Divider with Broad/Dual-Band Characteristics Utilizing Two-Frequency Matching2022
- Author(s)
  Fukunaga Masatoshi、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  Asia-Pacific Microwave Conference Proceedings, APMC
  
  Volume: - Pages: 800-802
- DOI
  10.23919/apmc55665.2022.9999819
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Mach-Zehnder Optical Modulator Integrated with Tunable Multimode Interference Coupler of Ti:LiNbO3 Waveguides for Controlling Modulation Extinction Ratio2022
- Author(s)
 HIRAI Anna、MATSUMOTO Yuichi、SATO Takanori、KAWAI Tadashi、ENOKIHARA Akira、NAKAJIMA Shinya、KANNO Atsushi、YAMAMOTO Naokatsu
- Journal Title
 
 IEICE Trans. Electron.
 
 Volume: E105.C Issue: 8 Pages: 385-388
- DOI
 10.1587/transele.2021ECS6018
- NAID
 130008160390
- ISSN
 0916-8524, 1745-1353
- Year and Date
 2022-08-01
- Language
 English
- Peer Reviewed
- Data Source
 KAKENHI-PROJECT-20K04601
[Journal Article] Dual-Band Semi-Lumped Element Power Divider with Constant Relative Bandwidth Utilizing Arbitrary Three-Frequency Matching2022
- Author(s)
  土屋歩 , 河合正 , 榎原晃
- Journal Title
  
  IEEJ Transactions on Electronics, Information and Systems
  
  Volume: 142 Issue: 8 Pages: 806-810
- DOI
  10.1541/ieejeiss.142.806
- ISSN
  0385-4221, 1348-8155
- Year and Date
  2022-08-01
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Mach-Zehnder Electro-optic Modulator with Multimode Interference Couplers of LiNbO3 Waveguides for Single Sideband Modulation2022
- Author(s)
  Yasumori Shotaro、Hirai Anna、Sato Takanori、Morimoto Keita、Kawai Tadashi、Enokihara Akira、Nakajima Shinya、Kanno Atsushi
- Journal Title
  
  2022 IEEE International Topical Meeting on Microwave Photonics, MWP 2022 - Proceedings
  
  Volume: - Pages: 1-4
- DOI
  10.1109/mwp54208.2022.9997678
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Experimental Study of Quasi-Lumped-Element Power Divider Utilizing LC-Ladder Circuits at SHF-Band2021
- Author(s)
  Nagano Kensuke、Tsuchiya Ayumu、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  IEEJ Transactions on Electronics, Information and Systems
  
  Volume: 141 Issue: 2 Pages: 94-98
- DOI
  10.1541/ieejeiss.141.94
- NAID
  130007979602
- ISSN
  0385-4221, 1348-8155
- Year and Date
  2021-02-01
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Dual-Band Semi-Lumped-Element Power Dividers at UHF/SHF Bands2021
- Author(s)
  Kawai Tadashi、Nagano Kensuke、Enokihara Akira
- Journal Title
  
  2020 50th European Microwave Conference (EuMC)
  
  Volume: - Pages: 844-847
- DOI
  10.23919/eumc48046.2021.9338021
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Design of Semi-Lumped-Element Power Divider with Arbitrary Three Matching Frequencies2021
- Author(s)
  Tsuchiya Ayumu、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  2021 IEEE Asia-Pacific Microwave Conference (APMC)
  
  Volume: - Pages: 142-144
- DOI
  10.1109/apmc52720.2021.9661766
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] 28GHz-band Compact Uniplanar 180-degree Rat-race Hybrid with Broadband Characteristics2021
- Author(s)
  Kawai Tadashi、Nakai Ryosuke、Enokihara Akira
- Journal Title
  
  2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
  
  Volume: - Pages: 1-2
- DOI
  10.1109/irmmw-thz50926.2021.9567329
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Experimental Study of UHF/SHF Dual-Band Semi-Lumped-Element Power Dividers2021
- Author(s)
  Tsuchiya Ayumu、Okuda Taiji、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  2021 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)
  
  Volume: - Pages: 1-3
- DOI
  10.1109/rfit52905.2021.9565259
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Optical multimode interference couplers of Ti:LiNbO3 waveguides and electrical tuning of power splitting ratio2021
- Author(s)
  Hirai Anna、Matsumoto Yuichi、Sato Takanori、Kawai Tadashi、Enokihara Akira、Nakajima Shinya、Yamamoto Naokatsu
- Journal Title
  
  Optics Communications
  
  Volume: 501 Pages: 127325-127325
- DOI
  10.1016/j.optcom.2021.127325
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Design of Dual-Band Four-Way LC-Ladder Dividers2020
- Author(s)
  Tsuchiya Ayumu、Nagano Kensuke、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  2020 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)
  
  Volume: - Pages: 16-18
- DOI
  10.1109/rfit49453.2020.9226184
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Electro-Optic Modulator for Compensation of Third-Order Inter Modulation Distortion Using Frequency Chirp Modulation2020
- Author(s)
  D. Furubayashi, Y. Kashiwagi, T. Sato, T. Kawai, A. Enokihara, N. Yamamoto, and T. Kawanishi
- Journal Title
  
  IEICE Transaction on Electronics
  
  Volume: E103-C
- NAID
  130007933890
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] 終端短絡/開放結合線路を用いた X 帯広帯域疎結合ブランチラインカプラ2020
- Author(s)
  羽岡　侑哉、河合　正、榎原　晃
- Journal Title
  
  電子情報通信学会論文誌 C
  
  Volume: J103-C Pages: 17-23
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Design and Fabrication of MMI Optical Coupler Using Ti-diffused Lithium Niobate Waveguides2020
- Author(s)
  Hirai Anna、Sato Takanori、Kawai Tadashi、Enokihara Akira、Nakajima Shinya、Yamamoto Naokatsu
- Journal Title
  
  2020 International Topical Meeting on Microwave Photonics (MWP)
  
  Volume: - Pages: 173-176
- DOI
  10.23919/mwp48676.2020.9314583
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Electro-Optic Modulator for Compensation of Third-Order Intermodulation Distortion Using Frequency Chirp Modulation2020
- Author(s)
  FURUBAYASHI Daichi、KASHIWAGI Yuta、SATO Takanori、KAWAI Tadashi、ENOKIHARA Akira、YAMAMOTO Naokatsu、KAWANISHI Tetsuya
- Journal Title
  
  IEICE Trans. Electron.
  
  Volume: E103.C Issue: 11 Pages: 653-660
- DOI
  10.1587/transele.2019OCP0002
- NAID
  130007933890
- ISSN
  0916-8524, 1745-1353
- Year and Date
  2020-11-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04601
[Journal Article] Design of Broadband Power Divider Using Lumped-Elements2020
- Author(s)
  Nagano Kensuke、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  IEEJ Transactions on Electronics, Information and Systems
  
  Volume: 140 Issue: 3 Pages: 342-347
- DOI
  10.1541/ieejeiss.140.342
- NAID
  130007804396
- ISSN
  0385-4221, 1348-8155
- Year and Date
  2020-03-01
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Study of X-Band Broadband Branch-Line Coupler Utilizing Two-Stage Coupled-Transmission Lines2019
- Author(s)
  Haoka Yuya、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  2019 IEEE Asia-Pacific Microwave Conference (APMC)
  
  Volume: - Pages: 1113-1115
- DOI
  10.1109/apmc46564.2019.9038177
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Dual-Parallel Mach-Zehnder Modulator Integrated with 180-degree Hybrid for Compensation of Third-Order Intermodulation Distortion2019
- Author(s)
  Furubayashi Daichi、Kashiwagi Yuta、Kawai Tadashi、Enokihara Akira、Yamamoto Naokatsu、Kawanishi Tetsuya
- Journal Title
  
  2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC)
  
  Volume: - Pages: 1-3
- DOI
  10.23919/ps.2019.8817737
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Ultrasmall design of a universal linear circuit based on microring resonators2019
- Author(s)
  Takanori Sato and Akira Enokihara
- Journal Title
  
  Optics Express
  
  Volume: 27 Issue: 23 Pages: 33005-33010
- DOI
  10.1364/oe.27.033005
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K15037, KAKENHI-PROJECT-17K06392
[Journal Article] Compact Uniplanar Rat-Race Circuit Utilizing Shunt Capacitors and Crossover-Type Phase Inverter2019
- Author(s)
  Nakai Ryosuke、Haoka Yuya、Nagano Kensuke、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  2019 IEEE Asia-Pacific Microwave Conference (APMC)
  
  Volume: - Pages: 1146-1148
- DOI
  10.1109/apmc46564.2019.9038814
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] 76GHz band Rat-Race Circuit Utilizing Composite Right-/Left-Handed Transmission Line without Chip Elements2019
- Author(s)
  Nakano Ryoto、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  2019 12th German Microwave Conference
  
  Volume: - Pages: 190-193
- DOI
  10.23919/gemic.2019.8698195
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Design of Broadband Branch-Line Couplers Utilizing Coupled Transmission Lines at Ka-Band2019
- Author(s)
  Haoka Yuya、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  2019 12th Global Symposium on Millimeter Waves (GSMM)
  
  Volume: - Pages: 41-43
- DOI
  10.1109/gsmm.2019.8797672
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Design of SIW Slot Antenna for Microwave Liquid Heating2018
- Author(s)
  Takaoka Shuhei、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  2018 15th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology
  
  Volume: - Pages: 525-527
- DOI
  10.1109/ecticon.2018.8619980
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Compensation of Third-Order Inter Modulation Distortion by Using Frequency Chirp Modulation for Electro-Optic Modulator2018
- Author(s)
  Kashiwagi Yuta、Takase Kosuke、Kawai Tadashi、Enokihara Akira、Yamamoto Naokatsu、Kawanishi Tetsuya
- Journal Title
  
  2018 Progress in Electromagnetics Research Symposium
  
  Volume: - Pages: 1-7
- DOI
  10.23919/piers.2018.8597804
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] A 920MHz Lumped-Element Wilkinson Power Divider Utilizing LC-Ladder Circuits2018
- Author(s)
  KAWAI Tadashi、NAGANO Kensuke、ENOKIHARA Akira
- Journal Title
  
  IEICE Trans. Electron.
  
  Volume: E101.C Issue: 10 Pages: 801-804
- DOI
  10.1587/transele.E101.C.801
- NAID
  130007494356
- ISSN
  0916-8524, 1745-1353
- Year and Date
  2018-10-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Design of H-Plane Waveguide Mode Converter for Microwave Fryer2018
- Author(s)
  S. Takaoka, T. Inada, T. Kawai, and A. Enokihara
- Journal Title
  
  IEEJ Transactions on Electronics, Information and Systems
  
  Volume: 138 Issue: 2 Pages: 124-128
- DOI
  10.1541/ieejeiss.138.124
- NAID
  130006329299
- ISSN
  0385-4221, 1348-8155
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Broadband Three-Way LC-Ladder Divider on a Double-Sided PCB2018
- Author(s)
  Kawai Tadashi、Okada Yosuke、Enokihara Akira
- Journal Title
  
  2018 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)
  
  Volume: - Pages: 1-3
- DOI
  10.1109/rfit.2018.8524041
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] X-Band Broadband Branch-Line Coupler with Loose Coupling Utilizing Short-/Open-Circuited Coupled-Transmission Lines2018
- Author(s)
  Haoka Yuya、Kawai Tadashi、Enokihara Akira
- Journal Title
  
  2018 Asia-Pacific Microwave Conference (APMC)
  
  Volume: - Pages: 1498-1500
- DOI
  10.23919/apmc.2018.8617195
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Design of Multi-Way LC-Ladder Dividers with Multi-Band Operation2017
- Author(s)
  Y. Okada, T. Kawai, and A. Enokihara
- Journal Title
  
  IEICE Trans. Electron.
  
  Volume: E100.C Issue: 10 Pages: 893-900
- DOI
  10.1587/transele.E100.C.893
- NAID
  130006110265
- ISSN
  0916-8524, 1745-1353
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Design method for multiband WPDs using multisection LC-ladder circuits2017
- Author(s)
  Y. Okada, T. Kawai, and A. Enokihara
- Journal Title
  
  IEEE Microwave and Wireless Components Letters
  
  Volume: 27 Issue: 10 Pages: 894-896
- DOI
  10.1109/lmwc.2017.2746681
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K06392
[Journal Article] Design method of unequal Wilkinson power divider using LC-ladder circuits for multi-way power dividers2016
- Author(s)
  Y. Okada, T. Kawai, and A. Enokihara
- Journal Title
  
  Proceedings of 2016 Asia-Pacific Microwave Conference (APMC)
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Frequency Chirp Modulation by Electro-Optic Modulator Integrated with Microwave Rat-Race Circuit and Measurement of Chirp Parameter by Using Optical Fiber Dispersion2016
- Author(s)
  R. Nakamura, K. Yamamoto, T. Kawai, A. Enokihara, and T. Kawanishi
- Journal Title
  
  Proceedings of 2016 IEEE MTT-S International Microwave Symposium (IMS)
  
  Volume: - Pages: 1-4
- DOI
  10.1109/mwsym.2016.7539999
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Compact Lumped-Element 5-Way Wilkinson Power Divider with Broadband Operation2016
- Author(s)
  Y. Okada, T. Kawai, and A. Enokihara
- Journal Title
  
  Proceedings of 2016 46th European Microwave Conference (EuMC)
  
  Volume: - Pages: 202-205
- DOI
  10.1109/eumc.2016.7824313
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] LCはしご形回路を用いた広帯域ウィルキンソン電力分配器の設計法2016
- Author(s)
  岡田陽介，河合正，榎原晃
- Journal Title
  
  電子情報通信学会論文誌C-I
  
  Volume: J99-C Pages: 603-610
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Parallel Ring-Line Rat-Race Circuit with Very Loose Coupling Utilizing Short-Circuited Coupled Transmission Line2016
- Author(s)
  T. Matsuda, T. Kawai, and A. Enokihara
- Journal Title
  
  Proceedings of 2016 Asia-Pacific Microwave Conference (APMC)
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Compact Electro-Optic Single Sideband Modulators Utilizing Miniaturized Branch-Line Couplers on LiNbO3 Substrate2015
- Author(s)
 Katsuyuki Yamamoto, Tadashi Kawai, Akira Enokihara, Tetsuya Kawanishi
- Journal Title
 
 IEICE Trans. Electron.
 
 Volume: E98.C Issue: 8 Pages: 769-776
- DOI
 10.1587/transele.E98.C.769
- NAID
 130005090379
- ISSN
 0916-8524, 1745-1353
- Language
 English
- Peer Reviewed / Acknowledgement Compliant
- Data Source
 KAKENHI-PROJECT-26420313
[Journal Article] Wideband lumped-element Wilkinson power dividers using LC-ladder circuits2015
- Author(s)
  Yosuke Okada, Tadashi. Kawai, and Akira Enokihara
- Journal Title
  
  Proceedings of 45th European Microwave Conference (EuMC), 2015
  
  Volume: EuMC2015 Pages: 115-118
- DOI
  10.1109/eumc.2015.7345713
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Microwave 180-degree Hybrid Formed on LiNbO3 Substrate for Frequency Chirp Modulation by Electro-optic Modulator2015
- Author(s)
  Ryota Nakamura, Tadashi Kawai, Akira Enokihara and Tetsuya Kawanishi
- Journal Title
  
  Proceedings of First PEM International Workshop 2015
  
  Volume: PEM2015
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Low Chirp Modulation by Electro-Optic Intensity Modulator Using Microwave 180-Degree Hybrid Directly Formed on LiNbO3 Substrate2015
- Author(s)
 Akira Enokihara, Masashi Yamamoto, Tadashi Kawai Tetsuya Kawanishi
- Journal Title
 
 IEICE Trans. Electron.
 
 Volume: E98.C Issue: 8 Pages: 777-782
- DOI
 10.1587/transele.E98.C.777
- NAID
 130005090380
- ISSN
 0916-8524, 1745-1353
- Language
 English
- Peer Reviewed / Acknowledgement Compliant
- Data Source
 KAKENHI-PROJECT-26420313
[Journal Article] Broadband branch-line coupler with very loose coupling utilizing open/short-circuited coupled-transmission lines2014
- Author(s)
  Tadashi KAWAI, Nobuo.NAKAJIMA, Akira ENOKIHARA, Isao OHTA, Kei SATOH, Yasunori SUZUKI, Hiroshi OKAZAKI, Shoichi NARAHASHI
- Journal Title
  
  Proceedings of 44th European Microwave Conference (EuMC), 2014
  
  Volume: EuMC05 Pages: 89-92
- DOI
  10.1109/eumc.2014.6986376
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Parallel Ring-Line Rat-Race Circuit with Very Loose Coupling Using Short-Circuited Coupled Transmission Lines2014
- Author(s)
  Naoshi Yoshihashi, Tadashi Kawai, Isao Ohta, and Akira Enokihara
- Journal Title
  
  Proceedings of Thailand-Japan Microwave (TJMW) 2014
  
  Volume: TH4-29 Pages: 26-28
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Parallel Ring-Line Rat-Race Circuit with Very Loose Coupling Utilizing Composite Right-/Left-Handed Transmission Lines2014
- Author(s)
  Tadashi KAWAI, Yuma SUMITOMO, Akira ENOKIHARA, Isao OHTA, Kei SATOH, Yasunori SUZUKI, Hiroshi OKAZAKI, Shoichi NARAHASHI
- Journal Title
  
  IEICE Trans. Electron.
  
  Volume: E97.C Issue: 10 Pages: 965-971
- DOI
  10.1587/transele.E97.C.965
- NAID
  130004696715
- ISSN
  0916-8524, 1745-1353
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] 終端開放結合線路を外部整合回路に用いた任意電力分配比の広帯域ブランチラインカプラ2014
- Author(s)
  河合　正，榎原　晃，太田　勲，佐藤　圭，鈴木　恭宜，岡崎　浩司，楢橋　祥一
- Journal Title
  
  電子情報通信学会論文誌 C
  
  Volume: J97-C Pages: 492-499
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] LiNbO3 Optical SSB Modulator using Microwave Branch-Line Coupler Miniaturized by Inter-digital Capacitors2014
- Author(s)
  Katsuyuki Yamamoto, Tadashi Kawai, Akira Enokihara, Tetsuya Kawanishi
- Journal Title
  
  Proceedings of International Topical Meeting on Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP), 2014
  
  Volume: ThB-2 Pages: 229-232
- DOI
  10.1109/mwp.2014.6994587
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Electro-optic single-sideband modulator integrated with branch-line coupler of miniaturized configuration prepared on LiNbO3 substrate2014
- Author(s)
  Katsuyuki Yamamoto, Tadashi Kawai, Akira Enokihara, Tetsuya Kawanishi
- Journal Title
  
  Proceedings of 44th European Microwave Conference (EuMC), 2014
  
  Volume: EuMC35 Pages: 668-671
- DOI
  10.1109/eumc.2014.6986522
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Low Chirp Electro-optic Intensity Modulation Using Planar Microwave 180-degree Hybrid Directly Prepared on LiNbO3 Substrate2014
- Author(s)
  Akira Enokihara, Masashi Yamamoto, Tadashi Kawai, Tetsuya Kawanishi
- Journal Title
  
  Proceedings of International Topical Meeting on Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP), 2014
  
  Volume: TuEA-7 Pages: 228-290
- DOI
  10.1109/mwp.2014.6994500
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] A circuit construction of parallel ring-line rat-race circuit with very loose coupling utilizing CRLH-TLs2014
- Author(s)
  Tadashi KAWAI, Yosuke DAIMON, Akira ENOKIHARA, Isao OHTA, Kei SATOH, Yasunori SUZUKI, Hiroshi OKAZAKI, Shoichi NARAHASHI
- Journal Title
  
  Proceedings of Asia-Pacific Microwave Conference (APMC) 2014
  
  Volume: WE1B-3 Pages: 22-24
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26420313
[Journal Article] Compact Wideband Rat-Race Hybrid Utilizing Composite Right/Left-Handed Transmission Lines2013
- Author(s)
  Y.Sumitomo, T.Kawai, A.Enokihara,他
- Journal Title
  
  IEEE 13th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems
  
  Volume: WE3P-17 Pages: 207-209
- DOI
  10.1109/sirf.2013.6489481
- Data Source
  KAKENHI-PROJECT-22560337
[Journal Article] Optical two-tone generation and SSB modulation using electro-optic modulator with suppressing redundant spectrum components2011
- Author(s)
  A.Enokihara, T.Kawai, and T.Kawanishi
- Journal Title
  
  International Journal of Microwave and Wireless Technologies
  
  Volume: Vol.3, no.3 Issue: 3 Pages: 295-300
- DOI
  10.1017/s175907871100047x
- Data Source
  KAKENHI-PROJECT-22560337
[Journal Article] Optical two-tone generation and SSB modulation using electro-optic modulator with suppressing redundant spectrum components2011
- Author(s)
  A.Enokihara
- Journal Title
  
  International Journal of Microwave and Wireless Technologies
  
  Volume: 3 Pages: 295-300
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560337
[Journal Article] Broadband branch-line coupler with arbitrary power split ratio utilizing microstrip series stubs2010
- Author(s)
  T.Kawai, H.Taniguchi, I.Ohta and A.Enokihara
- Journal Title
  
  2010 European Microwave Conference (EuMC)
  
  Pages: 1170-1173
- URL
  http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5616093
- Data Source
  KAKENHI-PROJECT-22560337
[Journal Article] Optical Two-tone Generation and SSB Modulation using Electro-optic Modulator with Suppressing Redundant Spectrum Components2010
- Author(s)
  A.Enokihara
- Journal Title
  
  Technical Digest for 40th European Microwave Conference 2010
  
  Volume: EuMC08-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22560337
[Presentation] 多分岐MMI光カップラを用いた多重並列干渉光変調器の検討2024
- Author(s)
  安森昌太朗, 森本佳太, 河合正, 榎原晃, 中島慎也, 赤羽浩一
- Organizer
  電子情報通信学会マイクロ波テラヘルツ光電子技術研究会
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] 3並列干渉構造による波長分散補償が可能な光変調器2023
- Author(s)
  安森昌太朗, 森本佳太, 河合正, 榎原晃, 中島慎也, 赤羽浩一
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] LiNbO3導波路による非対称方向性結合器を用いたモード変換素子2023
- Author(s)
  宮元蒼平，森川誠也，佐藤孝憲，河合　正，榎原　晃，中島慎也，赤羽浩一
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] LiNbO3による1×3 MMI光カップラと３並列干渉光変調器の検討2023
- Author(s)
  安森昌太朗，真野紗耶加，森本佳太，河合　正，榎原　晃，中島慎也，赤羽浩一
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] Compact five-way power divider using unequal LC-ladder dividers with two matching frequencies2023
- Author(s)
  Fukunaga Masatoshi、Kawai Tadashi、Enokihara Akira
- Organizer
  31st Asia-Pacific Microwave Conference, APMC 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] Unequal LC-Ladder Divider with Broad/Dual-Band Characteristics Utilizing Two-Frequency Matching2022
- Author(s)
  Fukunaga Masatoshi、Kawai Tadashi、Enokihara Akira
- Organizer
  Asia-Pacific Microwave Conference Proceedings, APMC
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] Mach-Zehnder Electro-optic Modulator with Multimode Interference Couplers of LiNbO3 Waveguides for Single Sideband Modulation2022
- Author(s)
  Yasumori Shotaro、Hirai Anna、Sato Takanori、Morimoto Keita、Kawai Tadashi、Enokihara Akira、Nakajima Shinya、Kanno Atsushi
- Organizer
  2022 IEEE International Topical Meeting on Microwave Photonics, MWP 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] LiNbO3導波路によるチューナブルMMIカップラとマイクロ波分配器を一体化した光SSB変調器2022
- Author(s)
  安森昌太朗、平井杏奈、松本祐一、佐藤孝憲、河合正、榎原晃、中島慎也、菅野敦史
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] LiNbO3導波路によるチューナブルMMI光カップラを用いた高消光比マッハツェンダー光変調器2022
- Author(s)
  平井杏奈、安森昌太朗、松本祐一、佐藤孝憲、河合正、榎原晃、中島慎也、菅野敦史、山本直克
- Organizer
  電子情報通信学会マイクロ波ミリ波フォトニクス研究会
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] Design of Semi-Lumped-Element Power Divider with Arbitrary Three Matching Frequencies2021
- Author(s)
  Tsuchiya Ayumu、Kawai Tadashi、Enokihara Akira
- Organizer
  2021 IEEE Asia-Pacific Microwave Conference (APMC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] Ti拡散LiNbO3導波路による多モード干渉素子の作製・評価と素子特性の電圧制御の検討2021
- Author(s)
  平井杏奈、松本祐一、佐藤孝憲、河合正、榎原晃、中島慎也、山本直克
- Organizer
  電子情報通信学会マイクロ波・ミリ波フォトニクス研究会
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] Dual-Band Semi-Lumped-Element Power Dividers at UHF/SHF Bands2021
- Author(s)
  Kawai Tadashi、Nagano Kensuke、Enokihara Akira
- Organizer
  2020 50th European Microwave Conference (EuMC)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] 28GHz-band Compact Uniplanar 180-degree Rat-race Hybrid with Broadband Characteristics2021
- Author(s)
  Kawai Tadashi、Nakai Ryosuke、Enokihara Akira
- Organizer
  2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] LiNbO3導波路によるMMI光結合器の作製と分配特性の電圧制御2021
- Author(s)
  平井杏奈、松本祐一、佐藤孝憲、河合正、榎原晃、中島慎也、山本直克
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] Experimental Study of UHF/SHF Dual-Band Semi-Lumped-Element Power Dividers2021
- Author(s)
  Tsuchiya Ayumu、Okuda Taiji、Kawai Tadashi、Enokihara Akira
- Organizer
  2021 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] 周期開放スタブを装荷した広帯域ブランチラインカプラの小型化2020
- Author(s)
  羽岡侑哉，河合正，榎原晃
- Organizer
  電気学会通信研究会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] Ti拡散LiNbO3を用いたMMI光導波路の作製と光変調素子への応用の検討2020
- Author(s)
  平井杏奈、佐藤孝憲、河合正、榎原晃、中島慎也、山本直克
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] Design and Fabrication of MMI Optical Coupler Using Ti-diffused Lithium Niobate Waveguides2020
- Author(s)
  Anna Hirai, Takanori Sato, Tadashi Kawai, Akira Enokihara, Shinya Nakajima, Naokatsu Yamamoto
- Organizer
  2020 International Topical Meeting on Microwave Photonics (MWP)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] Design of Dual-Band Four-Way LC-Ladder Dividers2020
- Author(s)
  Tsuchiya Ayumu、Nagano Kensuke、Kawai Tadashi、Enokihara Akira
- Organizer
  2020 IEEE International Symposium on Radio-Frequency Integration Technology (RFIT)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K04601
[Presentation] 結合線路を用いたS バンド広帯域ブランチラインカプラの小型化2020
- Author(s)
  羽岡侑哉，河合正，榎原晃
- Organizer
  電気学会全国大会シンポジウム
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 2段結合線路を用いたX帯広帯域3dBブランチラインカプラの検討2019
- Author(s)
  羽岡侑哉、河合　正、榎原　晃
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] デュアルパラレル型電気光学変調器を用いた3次相互変調歪補償のための信号入力方法の検討2019
- Author(s)
  古林大地、柏木悠汰、河合　正、榎原　晃、瀧澤由佳子、山本直克、川西哲也
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 28GHz-Band Broadband Branch-Line Coupler Utilizing Open-Circuited Coupled transmission lines as External Matching Networks2019
- Author(s)
  T. Kawai, Y. Haoka, and A. Enokihara
- Organizer
  Smart City Symposium 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 120°位相差信号による電気光学SSB変調器の隣接不要側波帯の抑圧2019
- Author(s)
  雪永智大、河合正、佐藤孝憲、榎原晃、山本直克、川西哲也
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 2.45GHz帯ユニプレーナ型小型広帯域ラットレース回路の設計2019
- Author(s)
  中井良輔、長野健介、羽岡侑哉、河合　正、榎原　晃
- Organizer
  電子情報通信学会マイクロ波研究会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 並列容量と位相反転構造を用いたユニプレーナ型小型ラットレース回路2019
- Author(s)
  中井良輔，長野健介，羽岡侑哉，河合正，榎原晃
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 終端開放結合線路を用いた任意電力分配比のX帯広帯域ブランチラインカプラ2019
- Author(s)
  羽岡侑哉，河合正，榎原晃
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] LCはしご形回路を用いた広帯域分配器の一構成法2019
- Author(s)
  長野健介、河合　正、榎原　晃
- Organizer
  電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 3次相互変調歪補償のためのマイクロ波ハイブリッド回路を一体化したデュアルパラレル電気光学変調器2019
- Author(s)
  柏木悠汰、古林大地、河合　正、榎原　晃、瀧澤由佳子、山本直克、川西哲也
- Organizer
  電子情報通信学会マイクロ波・ミリ波フォトニクス研究会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] Ka帯広帯域疎結合ブランチラインカプラの設計2018
- Author(s)
  羽岡侑哉、河合　正、榎原　晃
- Organizer
  電子情報通信学会マイクロ波研究会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] LCはしご形回路を用いたUHF帯多電力分配器の試作2018
- Author(s)
  長野健介，河合正，榎原晃
- Organizer
  電気関係学会関西連合大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] Design of Multi-Section LC-Ladder Divider at VHF-Band2018
- Author(s)
  K. Nagano, T. Kawai, and A. Enokihara
- Organizer
  Thailand-Japan Microwave
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 結合線路を用いたX帯広帯域ブランチラインカプラ2018
- Author(s)
  羽岡侑哉，河合正，榎原晃
- Organizer
  電気学会電子デバイス研究会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 平行結合3線路による共振器電極を用いた電気光学変調器2018
- Author(s)
  石田三千雄，國廣良太，河合正，榎原晃，柳澤幸樹，諏訪部豊，山本直克
- Organizer
  電子情報通信学会マイクロ波ミリ波フォトニクス研究会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] デュアルパラレル型電気光学変調器による３次相互変調歪補償の検討2018
- Author(s)
  高瀬孔佑，柏木悠汰，河合正，榎原晃，瀧澤由佳子，山本直克，川西哲也
- Organizer
  レーザー学会学術講演会第３８回年次大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] CRLH線路を用いた20GHz帯CPW形ラットレース回路の設計2018
- Author(s)
  田中大智・河合　正・榎原　晃
- Organizer
  2018年電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] VHF帯多段LCはしご型電力分配器の構成法2018
- Author(s)
  長野健介，河合正，榎原晃
- Organizer
  電気学会電子デバイス研究会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] Design Method of Lumped-element Unequal Power Dividers and Its Application to N-way Divider at VHF band2018
- Author(s)
  T. Kawai, K. Nagano, and A. Enokihara
- Organizer
  3rd Japan-Russia Joint Microwave Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 結合線路を用いたKa帯疎結合広帯域ブランチラインカプラの検討2018
- Author(s)
  羽岡侑哉，河合正，榎原晃
- Organizer
  電気関係学会関西連合大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 76/150 GHz Bands Rat-Race Couplers Utilizing Composite Right-/Left-Handed Transmission Lines2018
- Author(s)
  T. Kawai, R. Nakano, A. Enokihara, and M. Horibe
- Organizer
  6th Smart City Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 分配回路を一体化したDPMZMによる3次相互変調歪補償2018
- Author(s)
  古林大地、柏木悠汰、河合　正、榎原　晃、瀧澤由佳子、山本直克、川西哲也
- Organizer
  電子情報通信学会ソサイエティ大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] X-Band Broadband Branch-Line Coupler with Loose Coupling Utilizing Short-/Open-Circuited Coupled Transmission Lines2018
- Author(s)
  Y. Haoka, T. Kawai, and A. Enokihara
- Organizer
  Thailand-Japan Microwave
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] Design of Multi-Section LC-Ladder Divider at VHF-Band2018
- Author(s)
  K. Nagano, T. Kawai, and, A. Enokihara
- Organizer
  6th Smart City Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] VHF 帯非等分配 LC はしご形分配器の設計2018
- Author(s)
  長野健介，河合正，榎原晃
- Organizer
  電気学会通信研究会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] LCはしご形回路を用いた多重分配器の試作2018
- Author(s)
  長野健介、河合　正、榎原　晃
- Organizer
  電子情報通信学会マイクロ波研究会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] Compensation of Third-Order Inter Modulation Distortion of Electro-Optic Modulator by Using Frequency Chirp Modulation2018
- Author(s)
  Y. Kashiwagi, K. Takase, T. Kawai, A. Enokihara, N. Yamamoto, T. Kawanishi
- Organizer
  SPIE Photonics West, OPTO
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] 3次相互変調歪補償のためのDPMZM構成におけるマイクロ波分配回路一体化の検討2018
- Author(s)
  柏木悠汰，高瀬孔佑，河合正，榎原晃，瀧澤由佳子，山本直克，川西哲也
- Organizer
  2018年電子情報通信学会総合大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] K帯広帯域ブランチラインカプラの設計2017
- Author(s)
  河合正，榎原晃
- Organizer
  平成29年電気学会電子・情報・システム部門大会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] デュアルパラレル型電気光学変調器を用いた波長チャープ変調による3次相互変調歪補償2017
- Author(s)
  柏木悠汰，高瀬孔佑，河合　正，榎原　晃，瀧澤由佳子，山本直克，川西哲也
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  名城大学天白キャンパス（愛知県名古屋市）
- Year and Date
  2017-03-22
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] マイクロ波分配回路一体型チャープ光変調器による光周波数コム信号発生の検討2017
- Author(s)
  前田直樹，中村亮太，河合　正，榎原　晃，山本直克，川西哲也
- Organizer
  電子情報通信学会マイクロ波ミリ波フォトニクス研究会
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] Broadband Branch-Line Coupler Utilizing Coupled-Transmission Lines for 5G Applications2017
- Author(s)
  T. Kawai, Y. Haoka, and A. Enokihara
- Organizer
  International Microwave and RF Conference (IMaRC2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] Broadband Branch-Line Coupler Utilizing Open-Circuited Coupled-Transmission Lines at X-Band2017
- Author(s)
  Y. Haoka, T. Kawai, and A. Enokihara
- Organizer
  Korea-Japan Microwave Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] Microstrip Rat-Race Circuit Utilizing Composite Right-/Left-Handed Transmission Lines without Chip Elements2017
- Author(s)
  R. Nakano, T. Kawai, and A. Enokihara
- Organizer
  Thailand-Japan Microwave
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K06392
[Presentation] マイクロ波回路一体型電気光学変調器を用いた少数光周波数コム信号発生2017
- Author(s)
  前田直樹，中村亮太，河合　正，榎原　晃，山本直克，川西哲也
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  名城大学天白キャンパス（愛知県名古屋市）
- Year and Date
  2017-03-22
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 電気光学光SSB変調における光分岐比調節による不要側波帯抑圧の検討2017
- Author(s)
  石田三千雄，河合　正，榎原　晃，山本直克，川西哲也
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  名城大学天白キャンパス（愛知県名古屋市）
- Year and Date
  2017-03-22
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 電気光学変調器による波長チャープ変調と光ファイバの波長分散を用いたチャープパラメータの測定2016
- Author(s)
  中村亮太、山本勝之、河合　正、榎原　晃、山本直克、川西哲也
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  九州大学伊都キャンパス（福岡県福岡市西区）
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] LCはしご形回路を用いたウィルキンソン型非等分配回路の設計2016
- Author(s)
  岡田陽介, 河合正, 榎原晃
- Organizer
  電子情報通信学会マイクロ波研究会
- Place of Presentation
  防衛大学校（神奈川県横須賀市）
- Year and Date
  2016-12-15
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] Frequency Chirp Modulation by Electro-Optic Modulator Integrated with Microwave Rat-Race Circuit and Measurement of Chirp Parameter by Using Optical Fiber Dispersion2016
- Author(s)
  Ryota Nakamura, Katsuyuki Yamamoto, Tadashi Kawai, Akira Enokihara Naokatsu Yamamoto and Tetsuya Kawanishi
- Organizer
  International Microwave Symposium 2016
- Place of Presentation
  サンフランシスコ（アメリカ）
- Year and Date
  2016-05-17
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] LC梯型回路を用いた広帯域3方向ウィルキンソン電力分配器の構成法2016
- Author(s)
  岡田陽介, 河合正, 榎原晃
- Organizer
  電子情報通信学会マイクロ波研究会
- Place of Presentation
  広島大学（広島県東広島市鏡山）
- Year and Date
  2016-03-02
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] Parallel Ring-Line Rat-Race Circuit with Very Loose Coupling Utilizing Short-Circuited Coupled Transmission Line2016
- Author(s)
  T. Matsuda, T. Kawai, and A. Enokihara
- Organizer
  2016 Asia-Pacific Microwave Conference (APMC)
- Place of Presentation
  ニューデリー（インド）
- Year and Date
  2016-12-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 電気光学変調器による波長チャープ変調を用いた3次相互変調歪補償の検討2016
- Author(s)
  前田幸子、河合　正、榎原　晃、山本直克、川西哲也
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  九州大学伊都キャンパス（福岡県福岡市西区）
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 波長チャープを用いた電気光学変調器の3次相互変調歪補償法の検討2016
- Author(s)
  高瀬孔佑, 前田幸子, 河合正, 榎原晃, 瀧澤由佳子, 山本直克, 川西哲也
- Organizer
  電子情報通信学会マイクロ波ミリ波フォトニクス研究会
- Place of Presentation
  機械振興会館（東京都港区）
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 多段LC梯子型回路を用いたマルチバンド電力分配器の構成法2016
- Author(s)
  岡田陽介、河合　正、榎原　晃
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  九州大学伊都キャンパス（福岡県福岡市西区）
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] ラットレース回路一体型電気光学変調器による波長チャープ光変調と光ファイバ伝送特性の評価2016
- Author(s)
  中村亮太, 山本勝之, 河合正, 榎原晃, 山本直克, 川西哲也
- Organizer
  電子情報通信学会マイクロ波・ミリ波フォトニクス研究会
- Place of Presentation
  神戸市産業振興センター（兵庫県神戸市中央区）
- Year and Date
  2016-01-28
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] Compact Lumped-Element 5-Way Wilkinson Power Divider with Broadband Operation2016
- Author(s)
  Y. Okada, T. Kawai, and A. Enokihara
- Organizer
  2016 46th European Microwave Conference (EuMC)
- Place of Presentation
  ロンドン（イギリス）
- Year and Date
  2016-10-03
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] Design method of unequal Wilkinson power divider using LC-ladder circuits for multi-way power dividers2016
- Author(s)
  Y. Okada, T. Kawai, and A. Enokihara
- Organizer
  2016 Asia-Pacific Microwave Conference (APMC)
- Place of Presentation
  ニューデリー（インド）
- Year and Date
  2016-12-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 電気光学変調器を用いた低変調指数動作での光周波数コム信号発生の検討2016
- Author(s)
  前田直樹、中村亮太、河合　正、榎原　晃、山本直克、川西哲也
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  九州大学伊都キャンパス（福岡県福岡市西区）
- Year and Date
  2016-03-15
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] Microwave 180-degree Hybrid Formed on LiNbO3 Substrate for Frequency Chirp Modulation by Electro-optic Modulator2015
- Author(s)
  Ryota Nakamura, Tadashi Kawai, Akira Enokihara and Tetsuya Kawanishi
- Organizer
  First PEM International Workshop 2015
- Place of Presentation
  同志社大学（京都府京都市）
- Year and Date
  2015-11-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] Wideband lumped-element Wilkinson power dividers using LC-ladder circuits2015
- Author(s)
  Yosuke Okada, Tadashi. Kawai, and Akira Enokihara
- Organizer
  45th European Microwave Conference (EuMC), 2015
- Place of Presentation
  パリ（フランス）
- Year and Date
  2015-09-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] LC梯子型回路を用いた広帯域ウィルキンソン電力分配器の設計法2015
- Author(s)
  岡田陽介, 河合正, 榎原晃
- Organizer
  電子情報通信学会マイクロ波研究会
- Place of Presentation
  東京理科大葛飾キャンパス（東京都葛飾区）
- Year and Date
  2015-12-17
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 電気光学変調器での波長チャープの時間変化の解析と微小チャープ量の評価方法の検討2014
- Author(s)
  榎原晃, 河合正, 川西哲也
- Organizer
  電子情報通信学会マイクロ波・ミリ波フォトニクス研究会
- Place of Presentation
  札幌コンベンションセンター（北海道札幌市）
- Year and Date
  2014-04-07
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] LiNbO3基板上でのブランチラインカップラの小型化の検討と電気光学光SSB変調素子への応用2014
- Author(s)
  山本　勝之，榎原　晃，河合正，川西哲也
- Organizer
  輻射科学研究会
- Place of Presentation
  大阪大学（大阪府豊中市）
- Year and Date
  2014-08-27
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] マッハツェンダー型電気光学変調器における動作パラメータの3次相互変調歪が与える影響の検討2014
- Author(s)
  早川達也, 河合正, 榎原晃, 川西哲也
- Organizer
  電子情報通信学会マイクロ波・ミリ波フォトニクス研究会
- Place of Presentation
  札幌コンベンションセンター（北海道札幌市）
- Year and Date
  2014-04-07
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] マイクロ波分配回路を一体化した電気光学変調素子の検討～LiNbO3 基板上へのブランチラインカップラの作製～2012
- Author(s)
  榎原晃他
- Organizer
  電子情報通信学会マイクロ波・ミリ波フォトニクス研究会
- Place of Presentation
  東京都
- Year and Date
  2012-04-06
- Data Source
  KAKENHI-PROJECT-22560337
[Presentation] マイクロ波分配回路を一体化した電気光学変調素子の検討～ LiNbO3基板上へのブランチラインカップラの作製～2012
- Author(s)
  榎原　晃
- Organizer
  電子情報通信学会マイクロ波･ミリ波フォトニクス研究会
- Place of Presentation
  東京都港区芝公園3-5-8 機械振興会館内
- Data Source
  KAKENHI-PROJECT-22560337
[Presentation] 光 SSB 変調器のためのマイクロ波分配回路の LiNbO3 基板上への作製2012
- Author(s)
  榎原晃他
- Organizer
  電子情報通信学会総合全国大会
- Place of Presentation
  岡山市
- Year and Date
  2012-03-20
- Data Source
  KAKENHI-PROJECT-22560337
[Presentation] 光SSB変調器のためのマイクロ波分配回路のLiNbO3基板上への作製2012
- Author(s)
  榎原晃
- Organizer
  電子情報通信学会総合全国大会
- Place of Presentation
  岡山大学(岡山県)
- Year and Date
  2012-03-20
- Data Source
  KAKENHI-PROJECT-22560337
[Presentation] マッハツェンダー型変調器における電極間結合の影響の検討2012
- Author(s)
  榎原晃
- Organizer
  電子情報通信学会総合全国大会
- Place of Presentation
  岡山大学(岡山県)
- Year and Date
  2012-03-20
- Data Source
  KAKENHI-PROJECT-22560337
[Presentation] 電気光学変調器による2周波光および光SSB信号の生成と不要スペクトルの抑圧2010
- Author(s)
  榎原晃
- Organizer
  電子情報通信学会光エレクトロニクス研究会
- Place of Presentation
  北海道大学(北海道)
- Year and Date
  2010-07-28
- Data Source
  KAKENHI-PROJECT-22560337
[Presentation] 終端短絡結合線路を用いた並列リング型疎結合ラットレース回路
- Author(s)
  吉橋　是，河合　正，太田　勲，榎原　晃
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  立命館大学（滋賀県草津市）
- Year and Date
  2015-03-10 – 2015-03-13
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 23GHz帯ラットレース回路を用いた低チャープ電気光学変調器
- Author(s)
  國廣良太，榎原　晃，河合正，川西哲也
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  徳島大学（徳島県徳島市）
- Year and Date
  2014-09-23 – 2014-09-26
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] Electro-optic single-sideband modulator integrated with branch-line coupler of miniaturized configuration prepared on LiNbO3 substrate
- Author(s)
  Katsuyuki Yamamoto, Tadashi Kawai, Akira Enokihara, Tetsuya Kawanishi
- Organizer
  44th European Microwave Conference (EuMC), 2014
- Place of Presentation
  ローマ（イタリア）
- Year and Date
  2014-10-05 – 2014-10-10
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 縦列接続型SIW多重電力分配回路の設計
- Author(s)
  高橋広次, 河合正, 岸原充佳, 太田勲, 榎原晃
- Organizer
  電子情報通信学会マイクロ波研究会
- Place of Presentation
  室蘭工業大（北海道室蘭市）
- Year and Date
  2014-07-17 – 2014-07-18
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 電気光学変調器によるチャープ変調のための非等分配ラットレース回路のLiNbO3基板上への作製
- Author(s)
  山本　勝之，榎原　晃，河合正，川西哲也
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  徳島大学（徳島県徳島市）
- Year and Date
  2014-09-23 – 2014-09-26
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] A circuit construction of parallel ring-line rat-race circuit with very loose coupling utilizing CRLH-TLs
- Author(s)
  Tadashi KAWAI, Yosuke DAIMON, Akira ENOKIHARA, Isao OHTA, Kei SATOH, Yasunori SUZUKI, Hiroshi OKAZAKI, Shoichi NARAHASHI
- Organizer
  2014 Asia-Pacific Microwave Conference (APMC)
- Place of Presentation
  仙台国際センター（宮城県仙台市）
- Year and Date
  2014-11-04 – 2014-11-07
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 電気光学変調器の動作パラメータと3次相互変調歪の関係の検討
- Author(s)
  早川達也，榎原　晃，河合正，川西哲也
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  徳島大学（徳島県徳島市）
- Year and Date
  2014-09-23 – 2014-09-26
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 終端開放/短絡結合線路を用いた広帯域疎結合ブランチラインカプラの耐電力性に関する検討
- Author(s)
  河合　正，中島宣雄，榎原　晃，太田　勲，佐藤　圭，鈴木恭宜，岡崎浩司，楢橋祥一
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  徳島大学（徳島県徳島市）
- Year and Date
  2014-09-23 – 2014-09-26
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] Parallel Ring-Line Rat-Race Circuit with Very Loose Coupling Using Short-Circuited Coupled Transmission Lines
- Author(s)
  Naoshi Yoshihashi, Tadashi Kawai, Isao Ohta, and Akira Enokihara
- Organizer
  2014 Thailand-Japan Microwave Conference (TJMW)
- Place of Presentation
  バンコク(タイ)
- Year and Date
  2014-11-26 – 2014-11-28
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] CRLH線路を用いた並列リング型疎結合ラットレース回路の一構成法
- Author(s)
  大門洋輔, 河合正, 榎原晃, 太田勲, 佐藤圭, 鈴木恭宜, 岡崎浩司, 楢橋祥一
- Organizer
  電子情報通信学会マイクロ波研究会
- Place of Presentation
  同志社大（京都府京都市）
- Year and Date
  2014-05-22 – 2014-05-23
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] Low Chirp Electro-optic Intensity Modulation Using Planar Microwave 180-degree Hybrid Directly Prepared on LiNbO3 Substrate
- Author(s)
  Akira Enokihara, Masashi Yamamoto, Tadashi Kawai, Tetsuya Kawanishi
- Organizer
  International Topical Meeting on Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP), 2014
- Place of Presentation
  札幌コンベンションセンター（北海道札幌市）
- Year and Date
  2014-10-20 – 2014-10-23
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] Broadband branch-line coupler with very loose coupling utilizing open/short-circuited coupled-transmission lines
- Author(s)
  Tadashi KAWAI, Nobuo.NAKAJIMA, Akira ENOKIHARA, Isao OHTA, Kei SATOH, Yasunori SUZUKI, Hiroshi OKAZAKI, Shoichi NARAHASHI
- Organizer
  44th European Microwave Conference (EuMC), 2014
- Place of Presentation
  ローマ（イタリア）
- Year and Date
  2014-10-05 – 2014-10-10
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] LiNbO3 Optical SSB Modulator using Microwave Branch-Line Coupler Miniaturized by Inter-digital Capacitors
- Author(s)
  Katsuyuki Yamamoto, Tadashi Kawai, Akira Enokihara, Tetsuya Kawanishi
- Organizer
  International Topical Meeting on Microwave Photonics (MWP) and the 2014 9th Asia-Pacific Microwave Photonics Conference (APMP), 2014
- Place of Presentation
  札幌コンベンションセンター（北海道札幌市）
- Year and Date
  2014-10-20 – 2014-10-23
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] 波長チャープ変調のための非等分配ラットレース回路一体型電気光学変調素子
- Author(s)
  山本　勝之，榎原　晃，河合正，川西哲也
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  立命館大学（滋賀県草津市）
- Year and Date
  2015-03-10 – 2015-03-13
- Data Source
  KAKENHI-PROJECT-26420313
[Presentation] マッハツェンダー型電気光学変調器の波長チャープ評価とゼロチャープ変調の検討
- Author(s)
  山本将史, 河合正, 榎原晃, 川西哲也
- Organizer
  電子情報通信学会マイクロ波・ミリ波フォトニクス研究会
- Place of Presentation
  大阪大学（大阪府豊中市）
- Year and Date
  2015-01-29 – 2015-01-30
- Data Source
  KAKENHI-PROJECT-26420313

1. 河合正 (30275309)

# of Collaborated Projects: 1 results

# of Collaborated Products: 50 results
2. 佐藤孝憲 (60835809)

# of Collaborated Projects: 1 results

# of Collaborated Products: 17 results
3. 森本佳太 (00966872)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

enokihara akira 榎原 晃

Enokihara Akira 榎原 晃

ENOKIHARA Akira 榎原 晃

Research Projects

Research Products

Co-Researchers

Low-loss photonic matrix computing based on optical spatial modulation in mode-multiplexed transmissionPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Advanced electro-optic modulator for terahertz wireless signal generation and its application to radio-over-fiberPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Research on Electro-optic devices using multi-mode interference waveguidesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Electro-optic Modulator for Compensating the Third Order Intermodulation Distortion by Optical InterferencePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Small-sized light modulator with optical frequency-chirp of which amount can be preset and its applicationsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Investigation on highly functional light modulator integrated with microwave circuitsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] フォトニクスの基礎2019

Author(s)

Total Pages

Publisher

ISBN

Data Source

[Journal Article] Optical Mode Multiplexer Using LiNbO<sub>3</sub> Asymmetric Directional Coupler Enabling Voltage Control for Phase-Matching Condition2024

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Journal Article] Compact five-way power divider using unequal LC-ladder dividers with two matching frequencies2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Electro-Optic Modulator With Tunable Multimode Interference Couplers Based on LiNbO3 Waveguides and Optical Single-Sideband Modulation2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] An electro-optic full adder designed with coupled Si ring resonators for highly dense integration2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Unequal LC-Ladder Divider with Broad/Dual-Band Characteristics Utilizing Two-Frequency Matching2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Mach-Zehnder Optical Modulator Integrated with Tunable Multimode Interference Coupler of Ti:LiNbO<sub>3</sub> Waveguides for Controlling Modulation Extinction Ratio2022

Author(s)

Journal Title

DOI

enokihara akira 榎原晃

Enokihara Akira 榎原晃

ENOKIHARA Akira 榎原晃