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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 |
| ED, MWPTHz | 2023-12-21 14:40 |
Miyagi | RIEC, Tohoku Univ. (Primary: On-site, Secondary: Online) |
[Invited Talk]
LiNbO3 Optical Modulator with Polarization-Reversed Structures for High-Speed Low-Latency Data Transfer over Optical Fiber Hiroshi Murata (Mie Univ.) ED2023-53 MWPTHz2023-63 |
Recently, research and development for Beyond-5G/6G mobile wireless systems are attracting a lot of interest. In Beyond... [more] | ED2023-53 MWPTHz2023-63 pp.3-6 |
| 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 |
| PEM (Workshop) |
2021-11-29 - 2021-11-30 |
Hokkaido | Hokkaido Univ. (Hybrid by remote) (Primary: On-site, Secondary: Online) |
Millimeter-Wave D-band Antenna-Coupled Electrode Electro-Optic Modulator Shotaro Kodama, Takuto Mori, Yui Otagaki, Hiroshi Murata (Mie Univ.) |
A new antenna-coupled electrode EO modulator for direct conversion of D-band wireless signals to optical signals is anal... [more] | |
| PEM (Workshop) |
2021-11-29 - 2021-11-30 |
Hokkaido | Hokkaido Univ. (Hybrid by remote) (Primary: On-site, Secondary: Online) |
28 GHz-Band Antenna-Coupled-Electrode Electro-Optic Modulator for Converting Two Orthogonal-Polarization Field Components Simultaneously for 5G Mobile Systems Yui Otagaki, Shunsuke Nakamori, Hiroto Yokohashi (Mie Univ.), Sayaka Matsukawa, Satoru Kurokawa (AIST), Masahiro Sato, Masatoshi Onizawa (SEIKOH GIKEN), Hiroshi Murata (Mie Univ.) |
Antenna-coupled-electrode electro-optic modulator has been developed to simultaneously receive and convert orthogonal po... [more] | |
| 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 |
| MWP (2nd) |
2018-08-06 | Shimane | Shimane Prefectural Convention Center (Matsue City) | Antenna-Coupled Electrode Electro-Optic Modulators for IoT System Applications Hiroshi Murata, Yuto Yokohashi (Mie Univ.), Yui Otagaki, Hidehisa Shiomi (Osaka Univ.), Satoru Kurokawa (AIST) |
New antenna-coupled electrode electro-optic modulators operating in the 28 GHz band are analyzed for IoT system applicat... [more] | |
| LQE | 2018-07-13 09:00 |
Hokkaido | [Invited Talk]
LiNbO3 modulator to realize high speed transmission for long haul application Yoshitaa Kawashima, Masaharu Doi (FOC) LQE2018-28 |
(To be available after the conference date) [more] | LQE2018-28 p.33 |
|
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-29 09:00 |
Hyogo | Frequency Chirp Modulation by Electro-optic Modulator Using Microwave 180-degree Hybrid Circuit and Evaluation of Optical Fiber Transmission Characteristic Ryota Nakamura, Katsuyuki Yamamoto, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.) PN2015-86 EMT2015-137 OPE2015-199 LQE2015-186 EST2015-143 MWP2015-112 |
An electro-optic modulator integrated with rat-race circuit, which operated 180-degree hybrid was considered for frequen... [more] | PN2015-86 EMT2015-137 OPE2015-199 LQE2015-186 EST2015-143 MWP2015-112 pp.325-330 |
|
| PEM (2nd) |
2015-11-27 - 2015-11-28 |
Kyoto | Doshisha Univ. | [Poster Presentation]
Improvement of Modulation Efficiency of Electro-Optic Modulators with Gap-Embedded Patch Antenna Utilizing Stacked Structure Hironori Aya (Osaka Univ.), Yusuf Nur Wijayanto, Atsushi Kanno, Tetsuya Kawanishi (NICT), Hiroshi Murata, Yasuyuki Okamura (Osaka Univ.) |
In this report, we propose new electro-optic modulators using gap-embedded patch antennas with Yagi-antenna- like stacke... [more] | |
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-17 10:50 |
Hokkaido | Kushiro City Lifelong Learning Center | 90GHz Optical Phase Modulator Using Slotted Patch Antennas on Thin LiNbO3 Optical Crystal Yusuf Nur Wijayanto, Atsushi Kanno (NICT), Tetsuya Kawanishi (Waseda Univ.), Hiroshi Murata (Osaka Univ.), Naokatsu Yamamoto (NICT), Yasuyuki Okamura (Osaka Univ.) EMT2015-34 MW2015-72 OPE2015-46 EST2015-38 MWP2015-37 |
An optical phase modulator using slotted patch antennas on a thin LiNbO3 optical crystal is proposed for operation of 90... [more] | EMT2015-34 MW2015-72 OPE2015-46 EST2015-38 MWP2015-37 pp.149-154 |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-23 17:40 |
Kyoto | Doshisha University | Branch-Line-Couplers with Miniaturized Configuration Designed on LiNbO3 Substrate and their Application to Electro-optic SSB Modulators Katsuyuki Yamamoto, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Tetsuya Kawanishi (NICT) PN2013-49 OPE2013-163 LQE2013-149 EST2013-98 MWP2013-69 |
The miniaturized branch-line coupler (BC) circuits were designed onto LiNbO3 substrates by two methods of using periodic... [more] | PN2013-49 OPE2013-163 LQE2013-149 EST2013-98 MWP2013-69 pp.81-86 |
| EST, MWP, OPE, MW, EMT, IEE-EMT [detail] | 2013-07-19 10:15 |
Hokkaido | Wakkanai Synthesis Cultural Center | Electro-Optic Modulators Using Double-Antenna-Coupled Electrode Array for Wireless Millimeter-wave - Lightwave Signal Conversion Naohiro Kohmu, Hiroshi Murata, Yasuyuki Okamura (Osaka Univ.) MW2013-83 OPE2013-52 EST2013-47 MWP2013-42 |
In this report, we propose a new electro-optic (EO) modulator utilizing double-antenna-coupled resonant electrodes and t... [more] | MW2013-83 OPE2013-52 EST2013-47 MWP2013-42 pp.225-230 |
| MWP | 2012-04-06 13:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
High Speed LiNbO3 Optical Modulator Masaharu Doi (FOC) MWP2012-2 |
It is described the structure of the modulator corresponding to various modulation formats applied to 40 Gbps and 100Gbp... [more] | MWP2012-2 pp.7-11 |
| MWP | 2012-04-06 14:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | [Invited Talk]
Recent Progress of Advanced Multilevel Optical Modulator with Silica-LiNbO3 Hybrid Configuration Shinji Mino, Hirofumi Yamazaki (NTT) MWP2012-3 |
Advanced spectrally efficient multilevel modulation formats, such as N-level quadrature amplitude modulation (N-QAM) and... [more] | MWP2012-3 pp.13-18 |
| EMT, PN, LQE, OPE, MWP, EST, IEE-EMT [detail] | 2012-01-27 17:30 |
Osaka | Osaka Univ. Convention Center | Electro-optic Bragg deflection modulator using periodically poled MgO:LiNbO3 Toshiyuki Inoue, Toshiaki Suhara (Osaka Univ.) PN2011-81 OPE2011-197 LQE2011-183 EST2011-131 MWP2011-99 |
For realization of laser-beam lithography and display systems, we propose an one-dimensional spatial light modulator con... [more] | PN2011-81 OPE2011-197 LQE2011-183 EST2011-131 MWP2011-99 pp.327-330 |
| EMT, OPE, MW, IEE-EMT [detail] | 2010-07-29 13:30 |
Hokkaido | Hokkaido Univ. | High efficiency and downsizing of a resonant type LiNbO3 optical modulator with Au mirror Yuta Takahashi, Yuta Tsuchiya (Waseda Univ.), Satoshi Shinada, Shinya Nakajima, Tetsuya Kawanishi (NICT), Hirochika Nakajima (Waseda Univ.) MW2010-43 OPE2010-28 |
We aim to attempt high efficiency and downsizing of an LiNbO3 optical modulator widely used in the optical communication... [more] | MW2010-43 OPE2010-28 pp.33-36 |
| OPE, LQE | 2010-06-25 17:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Examination about bias control method of parallel LiNbO3 optical modulators Yuta Tsuchiya (Waseda Univ.), Takahide Sakamoto, Tetsuya Kawanishi (NICT), Hirochika Nakajima (Waseda Univ.) OPE2010-21 LQE2010-23 |
We improved extinction ratio by putting a new electrode on a Y-branch structure at input side of a Mach-Zehnder interfer... [more] | OPE2010-21 LQE2010-23 pp.31-35 |
| OPE, LQE, OCS | 2009-10-23 09:20 |
Fukuoka | High Extinction Ratio LiNbO3 MZ modulator with active Y-branch Yoshihiro Ogiso, Yuta Tsuchiya (Waseda Univ.), Satoshi Shinada, Shinya Nakajima, Tetsuya Kawanishi (NICT), Hirochika Nakajima (Waseda Univ.) OCS2009-64 OPE2009-130 LQE2009-89 |
We have fabricated a high extinction ratio (50 dB) LiNbO3 MZ modulator with active Y-branch which characteristics are eq... [more] | OCS2009-64 OPE2009-130 LQE2009-89 pp.117-120 |
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| OPE, EMD, CPM, LQE | 2009-08-20 09:30 |
Miyagi | Optical amplification characteristics of Ti-indiffused waveguides on Erbium-doped LiNbO3 crystal and application to optical devices Yutaro Katano, So Kogahara, Hiroshi Matsuura (Waseda Univ.), Satoshi Shinada, Shinya Nakajima, Tetsuya Kawanishi (NICT), Hirochika Nakajima (Waseda Univ.) EMD2009-27 CPM2009-51 OPE2009-75 LQE2009-34 |
We have fabricated and characterized Ti-diffused channel waveguides on Er-doped LiNbO3 (Er-LN) single crystal. A loss-co... [more] | EMD2009-27 CPM2009-51 OPE2009-75 LQE2009-34 pp.7-11 |
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