IEICE Trans

Akira ENOKIHARA

Mach-Zehnder Optical Modulator Integrated with Tunable Multimode Interference Coupler of Ti:LiNbO₃ Waveguides for Controlling Modulation Extinction Ratio Anna HIRAI Yuichi MATSUMOTO Takanori SATO Tadashi KAWAI Akira ENOKIHARA Shinya NAKAJIMA Atsushi KANNO Naokatsu YAMAMOTO
Publication: Publication Date: 2022/08/01 Vol. E105-C No. 8 pp. 385-388 Type of Manuscript: BRIEF PAPER Category: Lasers, Quantum Electronics Keyword: multimode interference (MMI), optical modulator, optical coupler, titanium diffused LiNbO₃, tuning, extinction ratio, optical single-sideband (SSB) modulation,
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Electro-Optic Modulator for Compensation of Third-Order Intermodulation Distortion Using Frequency Chirp Modulation Daichi FURUBAYASHI Yuta KASHIWAGI Takanori SATO Tadashi KAWAI Akira ENOKIHARA Naokatsu YAMAMOTO Tetsuya KAWANISHI
Publication: Publication Date: 2020/11/01 Vol. E103-C No. 11 pp. 653-660 Type of Manuscript: Special Section PAPER (Special Section on Opto-electronics and Communications for Future Optical Network) Category: Keyword: electro-optic modulator, third-order intermodulation distortion, dual parallel Mach-Zehnder modulator, frequency chirp, rat race circuit,
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A 920MHz Lumped-Element Wilkinson Power Divider Utilizing LC-Ladder Circuits Tadashi KAWAI Kensuke NAGANO Akira ENOKIHARA
Publication: Publication Date: 2018/10/01 Vol. E101-C No. 10 pp. 801-804 Type of Manuscript: BRIEF PAPER Category: Keyword: wilkinson power divider, lumped-element, LC-ladder circuit,
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Design of Multi-Way LC-Ladder Dividers with Multi-Band Operation Yosuke OKADA Tadashi KAWAI Akira ENOKIHARA
Publication: Publication Date: 2017/10/01 Vol. E100-C No. 10 pp. 893-900 Type of Manuscript: Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technology) Category: Keyword: power divider, LC-ladder circuit, multi-band, multi-division,
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Low Chirp Modulation by Electro-Optic Intensity Modulator Using Microwave 180-Degree Hybrid Directly Formed on LiNbO₃ Substrate Akira ENOKIHARA Masashi YAMAMOTO Tadashi KAWAI Tetsuya KAWANISHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/08/01 Vol. E98-C No. 8 pp. 777-782 Type of Manuscript: Special Section PAPER (Special Section on Microwave Photonics) Category: MWP Device and Application Keyword: light-frequency chirp, electro-optic modulator, rat-race, Mach-Zehnder interferometer,
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Compact Electro-Optic Single Sideband Modulators Utilizing Miniaturized Branch-Line Couplers on LiNbO₃ Substrate Katsuyuki YAMAMOTO Tadashi KAWAI Akira ENOKIHARA Tetsuya KAWANISHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2015/08/01 Vol. E98-C No. 8 pp. 769-776 Type of Manuscript: Special Section PAPER (Special Section on Microwave Photonics) Category: MWP Device and Application Keyword: electro-optic modulators, single sideband modulation, microwave photonics, branch-line coupler,
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Parallel Ring-Line Rat-Race Circuit with Very Loose Coupling Utilizing Composite Right-/Left-Handed Transmission Lines Tadashi KAWAI Yuma SUMITOMO Akira ENOKIHARA Isao OHTA Kei SATOH Yasunori SUZUKI Hiroshi OKAZAKI Shoichi NARAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/10/01 Vol. E97-C No. 10 pp. 965-971 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-wave Technologies) Category: Keyword: microwave passive components, rat-race circuit, loose coupling, CRLH-TL, wideband,
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Band-Broadening Design Technique of CRLH-TLs Dual-Band Branch-Line Couplers Using CRLH-TLs Matching Networks Tadashi KAWAI Miku NAKAMURA Isao OHTA Akira ENOKIHARA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2010/07/01 Vol. E93-C No. 7 pp. 1072-1077 Type of Manuscript: Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies) Category: Keyword: branch-line coupler, matching network, CRLH-TL, dual-band, equivalent admittance approach, size reduction,
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Guided-Wave EO Intensity Modulator Using Coupled Microstrip Line Electrode of Higher-Order Harmonic Resonance Combined with Polarization-Reversed Structure Akira ENOKIHARA Hiroyoshi YAJIMA Hiroshi MURATA Yasuyuki OKAMURA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2007/05/01 Vol. E90-C No. 5 pp. 1096-1104 Type of Manuscript: Special Section PAPER (Special Section on Recent Advances in Integrated Photonic Devices) Category: LiNbO₃ Devices Keyword: EO modulator, resonant electrode, higher order harmonic resonance, polarization reversed structure, transit-time effect, LiTaO₃,
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Guided-Wave Electro-Optic Modulators Using Novel Electrode Structure of Coupled Microstrip Line Resonator Akira ENOKIHARA Hiroyoshi YAJIMA Hiroshi MURATA Yasuyuki OKAMURA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/03/01 Vol. E88-C No. 3 pp. 372-378 Type of Manuscript: Special Section PAPER (Special Section on Optical Signal-Processing Devices for Photonic Networks) Category: Keyword: modulator, optical waveguide, resonator electrode, millimeter-wave, radio-on-fiber,
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26 GHz Bandpass Filter and Duplexer Using TM_11δ Mode Dielectric Resonators with High-Q Performance and Compact Configuration Akira ENOKIHARA Hideki NANBA Toshiaki NAKAMURA Kojiro OKUYAMA Toshio ISHIZAKI Tomoki UWANO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2003/11/01 Vol. E86-C No. 11 pp. 2283-2291 Type of Manuscript: PAPER Category: Microwaves, Millimeter-Waves Keyword: filter, duplexer, millimeter-wave, TM_11δ rectan-gular-mode, dielectric resonator, surface mount,
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High-T_c Superconducting Filters for Power Signal Transmission on Communication Base Station Kentaro SETSUNE Akira ENOKIHARA Koichi MIZUNO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1998/10/25 Vol. E81-C No. 10 pp. 1578-1583 Type of Manuscript: INVITED PAPER (Special Issue on Low- and High-Temperature Superconductive Electron Devices and Their Applications) Category: Analog Applications Keyword: high temperature superconductor, HTS filter, disc resonator, high power filter,
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High-T_c Superconducting Planar Filter for Power Handling Capability Akira ENOKIHARA Kentaro SETSUNE
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 1996/09/25 Vol. E79-C No. 9 pp. 1228-1232 Type of Manuscript: INVITED PAPER (Special Issue on Toward Digital and Analog Applications of Superconductors) Category: Analog applications Keyword: high-T_c superconductor, filter, planar filter, dual-mode resonator, power handling, disk resonator, intermodulation,
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