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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| LQE, OPE, CPM, EMD, R | 2023-08-25 10:10 |
Miyagi | Tohoku university (Primary: On-site, Secondary: Online) |
[Invited Talk]
Data-driven fabrication of optical waveguide devices
-- smartphotonics(R) -- Kenya Suzki, Keita Yamaguchi, Masashi Ota (NTT), Mikihiro Kurosawa, Yoshinori Hibino (NTT DevIces)  R2023-30 EMD2023-25 CPM2023-35 OPE2023-74 LQE2023-21 |
Compared to electronic devices such as general LSIs, the fabrication of optical waveguide devices is largely dependent o... [more] | R2023-30 EMD2023-25 CPM2023-35 OPE2023-74 LQE2023-21 pp.67-70 |
| OCS, LQE, OPE | 2019-10-18 13:05 |
Kagoshima | Study on wavelength cross connect for SDM photonic nodes based on WSS array modules Kazunori Seno, Akira Isoda, Takayuki Mizuno, Keita Yamaguchi, Kenya Suzuki, Toshikazu Hashimoto, Yutaka Miyamoto (NTT) OCS2019-44 OPE2019-82 LQE2019-60 |
(Advance abstract in Japanese is available) [more] | OCS2019-44 OPE2019-82 LQE2019-60 pp.87-92 |
|
| OFT, OCS, OPE (Joint) [detail] |
2019-02-15 12:35 |
Fukuoka | 6x6 Wavelength Cross-Connect Employing 4-f Optical System with Low Inter-WSS Crosstalk Kazunori Seno, Keita Yamaguchi, Akira Isoda, Takayuki Mizuno, Kenya Suzuki, Toshikazu Hashimoto, Yutaka Miyamoto (NTT) OCS2018-90 OFT2018-77 OPE2018-206 |
A space division multiplexing (SDM) technology becomes more attractive because it offers large transmission capacity of ... [more] | OCS2018-90 OFT2018-77 OPE2018-206 pp.51-56(OCS), pp.35-40(OFT), pp.67-72(OPE) |
|
| MRIS, ITE-MMS | 2018-12-06 16:30 |
Ehime | Ehime University | Lensless Close-up Technology by Fly-eye Fresnel Zone Aperture Kazuyuki Tajima, Yusuke Nakamura, Keita Yamaguchi, Takeshi Shimano (Hitachi) |
[more] | |
| OPE, LQE, OCS | 2018-10-18 11:00 |
Saga | C+L-band wavelength selective switchby alternating arrangement on LCOS Kazunori Seno, Keita Yamaguchi, Satomi Katayose, Kenya Suzuki, Toshikazu Hashimoto (NTT) OCS2018-31 OPE2018-67 LQE2018-56 |
The increase in communications network traffic has led to a demand for higher transmission capacity. To meet this demand... [more] | OCS2018-31 OPE2018-67 LQE2018-56 pp.19-24 |
|
| PN | 2018-04-27 13:20 |
Tokyo | Tokyo Institute of Technology(CIC Tamachi) | [Invited Talk]
Programable Optical Circuit Using Spatial and Planar Optical Circuit (SPOC) Mitsumasa Nakajima, Kenya Suzuki, Keita Yamaguchi, Kazunori Seno, Takashi Goh, Naru Neomoto, Joji Yamaguchi, Mitsunori Fukutoku, Yutaka Miyamoto, Toshikazu Hashimoto (NTT) PN2018-1 |
[more] | PN2018-1 pp.1-8 |
| PN | 2017-08-29 10:55 |
Hokkaido | Toya Kanko Hotel | [Invited Talk]
Spatial and Planar Optical Circuit for Space Division Multiplexed Network Mitsumasa Nakajima, Keita Yamaguchi, Kenya Suzuki, Mitsunori Fukutoku, Yutaka Miyamoto (NTT) PN2017-23 |
Space division multiplexing (SDM) technology is a possible solution for future ultra-large-scale backbone networks becau... [more] | PN2017-23 pp.51-56 |
| PN | 2017-03-07 15:25 |
Okinawa | Ohama Nobumoto Memorial Hall (Okinawa) | Multi-channel OSNR monitor integrated with wavelength selective switch using spatial and planar optical circuit Mitsumasa Nakajima (NTT), Kenya Suzuki (NTT DIC), Naru Nemoto (NTT), Keita Yamaguchi (NTT DIC), Joji Yamaguchi, Takashi Goh, Toshikazu Hashimoto (NTT) PN2016-107 |
A spatial planar optical circuit (SPOC) is an attractive optical platform that integrates free space optics with optical... [more] | PN2016-107 pp.135-141 |
| OPE | 2016-12-08 15:45 |
Okinawa | [Invited Talk]
Wavelength selective switching devices for uncoupled SDM network Kenya Suzuki, Keita Yamaguchi, Mitsumasa Nakajima, Takashi Goh, Yuichiro Ikuma, Kota Shikama, Yuzo Ishii, Mikitaka Itoh, Mitsunori Fukutoku, Toshikazu Hashimoto, Yutaka Miyamoto, Kazunori Seno (NTT) OPE2016-106 |
[more] | OPE2016-106 pp.13-18 |
|
| CPM, OPE, LQE, R, EMD | 2015-08-28 13:25 |
Aomori | Aomori-Bussankan-Asupamu | [Invited Talk]
Report on OECC2015: Passive modules and devices Keita Yamaguchi (NTT) R2015-43 EMD2015-51 CPM2015-67 OPE2015-82 LQE2015-51 |
This paper reports on the topics optical passive devices and modules presented in Optoelectronics and communications Con... [more] | R2015-43 EMD2015-51 CPM2015-67 OPE2015-82 LQE2015-51 pp.99-103 |
| OCS, OPE | 2015-05-15 16:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg(Tokyo) | Ultra-High port count wavelength selective switch employing waveguide-based I/O frontend Kenya Suzuki, Yuichiro Ikuma, Etsu Hashimoto, Keita Yamaguchi, Mikitaka Itoh, Tetsuo Takahashi (NTT) OCS2015-9 OPE2015-9 |
(Advance abstract in Japanese is available) [more] | OCS2015-9 OPE2015-9 pp.39-42 |
| PN | 2015-03-18 14:25 |
Okinawa | [Encouragement Talk]
The Study of the Hologram Technique Applying to Optical Switch Keita Yamaguchi, Mitsumasa Nakajima, Naru Nemoto, Etsu Hashimoto, Joji Yamaguchi, Yoshito Jin (NTT) PN2014-87 |
We proposed the phase modulation patterns optimization method of the optical switches based on a Liquid Crystal On Silic... [more] | PN2014-87 pp.57-61 |
|
| PN | 2014-11-28 11:25 |
Tokyo | The Study of the Computer Generation Hologram Applying on Optical Switch for Optical Communication Networks Keita Yamaguchi, Mitsumasa Nakajima, Naru Nemoto, Etsu Hashimoto, Joji Yamaguchi, Yoshito Jin (NTT) PN2014-25 |
In this paper, we proposed the phase modulation patterns optimization method of a Liquid Crystal On Silicon (LCOS) for o... [more] | PN2014-25 pp.27-30 |
|
| SDM | 2014-06-19 13:45 |
Aichi | VBL, Nagoya Univ. | Atomistic study of Nitrogen and Hydrogen incorporation effect in Si-rich SiO2 Hiroki Shirakawa, Keita Yamaguchi (Univ. of Tsukuba), Katsumasa Kamiya (KAIT), Kenji Shiraishi (Nagoya Univ.) SDM2014-52 |
Charge trapping memories such as the MONOS (Metal-Oxide-Nitride-Oxide-Semiconductor) type memories naturally have the ch... [more] | SDM2014-52 pp.49-53 |
| SDM | 2013-06-18 11:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Guiding principles of Long Lifespan Archive Memory using MONOS type Memory Hiroki Shirakawa, Keita Yamaguchi, Katsumasa Kamiya, Kenji Shiraishi (Univ. of Tsukuba) SDM2013-52 |
There is an increased demand for digital technology in archival storage infrastructure. Therefore, a long lifespan archi... [more] | SDM2013-52 pp.43-46 |
| ED, SDM | 2010-07-02 15:50 |
Tokyo | Tokyo Inst. of Tech. Ookayama Campus | Theoretical Study of the Hydrogen Effect on the Program/Erase Cycle of MONOS-Type Memories Akira Otake, Keita Yamaguchi, Kenji Shiraishi (Univ. of Tsukuba.) ED2010-100 SDM2010-101 |
Due to the aggressive scaling of non-volatile memories, “charge-trap memories” such as MONOS type memories are inevitabl... [more] | ED2010-100 SDM2010-101 pp.221-224 |
| RCS, SIP (Joint) |
2006-01-27 09:20 |
Fukuoka | Kyusyu Univ. | Mac Layer Enhancement Methods for VoIP Data Transmission in MANET Juefeng Wang, Keita Yamaguchi, Kenichi Mase (Niigata Univ.) |
The paper proposes three methods worked in the MAC layer for improving VoIP data transmission efficiency. As are differe... [more] | RCS2005-156 pp.5-10 |
| CQ, RCS (Joint) |
2005-04-21 15:50 |
Kyoto | ATR | MPR Priority Retransmission and Frame Burst Forwarding for OLSR MANET Keita Yamaguchi, Sota Yoshida, Kenichi Mase (Niigata Univ.) |
OLSR that is a proactive routing protocol in mobile ad hoc networks (MANET), introduces the concept of MPR and improves ... [more] | CQ2005-3 pp.13-18 |
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