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 |
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 |
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 |
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, 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 |
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 |
WIT |
2009-02-20 14:30 |
Ehime |
Ehime University |
A Study on Integration of Demonstrative Words with Gestures for Remote Captioning Ayaka Ito, Yoshinori Takeuchi, Noboru Ohnishi (Nagoya Univ.), Shigeyoshi Iizuka (NTT), Shinya Nakajima (Kokushikan Univ.) WIT2008-57 |
Remote transcription is one of the communication support methods for hearing impaired students in a lecture. A transcrib... [more] |
WIT2008-57 pp.5-10 |
WIT, TL, SP |
2008-01-25 10:55 |
Shimane |
Shimane Univ. |
An Analysis between Pointing Object and Demonstrative Speech Phrases for Remote Transcription Ken Saito, Ayaka Ito, Yoshinori Takeuchi, Noboru Ohnishi (Nagoya Univ.), Shigeyoshi Iizuka (NTT), Shinya Nakajima (Kokushikan Univ.) TL2007-75 SP2007-170 WIT2007-75 |
Hearing-impaired students need complementary technologies, such as remote transcription. We explain remote transcription... [more] |
TL2007-75 SP2007-170 WIT2007-75 pp.19-24 |
PN |
2007-03-07 10:50 |
Kagoshima |
Yakushima-Kankyou-Bunkamura-Center (Yakushima) |
Optical amplification characteristics of Ti-diffused waveguides on Er-doped LiNbO3 crystal and application to modulator So Kogahara (Waseda Univ.), Satoshi Shinada, Shinya Nakajima, Tetsuya Kawanishi (NICT), Hirochika Nakajima (Waseda Univ.), Masayuki Izutsu (NICT) PN2006-100 |
We have fabricated and characterized Ti-diffused channel waveguides on Er-doped LiNbO3 single crystal. We achieved an op... [more] |
PN2006-100 pp.77-80 |
LOIS |
2005-05-12 14:30 |
Kagawa |
Sunport Hall Takamatsu |
Consideration of the contents construction technique to reflect the factors of sensitivity
-- To consider semantic content and time concept -- Yumi Tomioka, Kota Hidaka (NTT), Shinya Nakajima (NTT-IT), Norihiko Matsuura, Hisashi Ibaraki (NTT) |
[more] |
OIS2005-3 pp.13-18 |