Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OFT |
2024-05-09 13:45 |
Nagasaki |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Application of hollow core fibers to the optical transmission system and future prospects Hiroyuki Tsuda (Keio Univ.) OFT2024-2 |
Recently, the performance of the hollow core fiber has been remarkably improved. The application of the hollow core fibe... [more] |
OFT2024-2 pp.5-8 |
CS, CQ (Joint) |
2023-05-18 14:20 |
Kagawa |
Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
Research and Development of a Highly Reliable In-Vehicle Optical Network: SiPhON (Si-Photonics-Based In-Vehicle Optical Network) Shin'ichi Arakawa (Osaka Univ.), Hiroyuki Tsuda (Keio Univ.) CS2023-5 |
[more] |
CS2023-5 pp.20-25 |
PN |
2023-04-28 14:35 |
Kanagawa |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
High power optical transmission system using a hollow core optical fiber
-- Application to high split ratio passive optical network and optically powered radio-over-fiber system -- Hiroyuki Tsuda (Keio Univ.) PN2023-3 |
A hollow core fiber has very low optical nonlinearity and high damage threshold power, allowing it to transmit high powe... [more] |
PN2023-3 pp.12-16 |
EMD, R, LQE, OPE, CPM |
2022-08-25 13:10 |
Chiba |
(Primary: On-site, Secondary: Online) |
Diffractive optical element with limited long-distance focusing range Masahiro Ueno, Sohan Kawamura, Takashi Sakamoto, Masayuki Tsuda (NTT) R2022-16 EMD2022-4 CPM2022-21 OPE2022-47 LQE2022-10 |
In the rust removal using high-power laser, it is desirable to extend the focusing the focusing range to suppress the in... [more] |
R2022-16 EMD2022-4 CPM2022-21 OPE2022-47 LQE2022-10 pp.1-6 |
EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] |
2018-01-26 10:20 |
Hyogo |
|
Design of wavefront control type WSS and fold-back type WSS using silicon waveguides Fumi Nakamura, Hideaki Asakura, Kyosuke Muramatsu (Keio Univ.), Keijiro Suzuki, Ken Tanizawa, Minoru Ohtsuka, Nobuyuki Yokoyama, Kazuyuki Matsumaro, Miyoshi Seki, Keiji Koshino, Kazuhiro Ikeda, Shu Namiki, Hitoshi Kawashima (AIST), Hiroyuki Tsuda (Keio Univ.) PN2017-85 EMT2017-122 OPE2017-163 LQE2017-145 EST2017-121 MWP2017-98 |
A wavelength selective switch (WSS) is an optical device for routing the wavelength division multiplexed (WDM) signal to... [more] |
PN2017-85 EMT2017-122 OPE2017-163 LQE2017-145 EST2017-121 MWP2017-98 pp.275-280 |
OCS, OPE, LQE |
2017-10-26 13:15 |
Kumamoto |
Josaien, Sakuranobaba |
Wideband Arrayed Waveguide Grating Router for T-band and O-band Masaki Suzuki, Hiroyuki Tsuda (Keio Univ.) OCS2017-41 OPE2017-73 LQE2017-46 |
(Advance abstract in Japanese is available) [more] |
OCS2017-41 OPE2017-73 LQE2017-46 pp.29-32 |
OCS, OPE, LQE |
2017-10-26 13:40 |
Kumamoto |
Josaien, Sakuranobaba |
12.5-Gbps, T-band Photonic Transmission with a Wavelength-Selective External-Cavity Laser Using an Optical Switch Integrated Arrayed-Waveguide Grating Yudai Okuno (Keio Univ.), Katsumi Yoshizawa (Pioneer Micro Technology Co.), Yasunori Tomomatsu (Koshin Kogaku Co.), Hiroyuki Tsuda (Keio Univ.) OCS2017-42 OPE2017-74 LQE2017-47 |
(Advance abstract in Japanese is available) [more] |
OCS2017-42 OPE2017-74 LQE2017-47 pp.33-36 |
OFT, OCS, LSJ (Joint) [detail] |
2017-09-01 10:25 |
Hokkaido |
Hokkaido Univ. |
Development of photonic crystal components for coherent communication Shojiro Kawakami, Takayuki Kawashima, Takafumi Chiba, Toshikazu Ijiro (PhL), Hiroyuki Tsuda (Keio Univ.), Hiroshi Takahashi (Sophia Univ.) OCS2017-30 |
(Advance abstract in Japanese is available) [more] |
OCS2017-30 pp.39-44 |
HCGSYMPO (2nd) |
2016-12-07 - 2016-12-09 |
Kochi |
Kochi City Culture Plaza (CUL-PORT) |
Complementary effect by Pair testing in behavior analysis Yukako Kawano, Noboru Nakamichi, Masayuki Tsuda (Fukuyama Univ.) |
Evaluation results by subjective evaluation method in usability test is depends on a participant's memory.
Therefore th... [more] |
|
LQE, OPE, EMD, R, CPM |
2016-08-25 15:30 |
Hokkaido |
|
Configuration of the external cavity laser using a quantum dot gain chip and an arrayed-waveguide grating for T-band wavelength division multiplexing communication Yudai Okuno (Keio Univ.), Yoshinori Sawado, Katsumi Yoshizawa (Pioneer Micro Technology Co.), Yasunori Tomomatsu (Koshin Kogaku Co.), Hiroyuki Tsuda (Keio Univ.) R2016-28 EMD2016-32 CPM2016-41 OPE2016-62 LQE2016-37 |
[more] |
R2016-28 EMD2016-32 CPM2016-41 OPE2016-62 LQE2016-37 pp.45-48 |
LQE, OPE |
2015-06-19 09:55 |
Tokyo |
|
Wavelength selective devices using PLZT waveguides for optical communications Hideaki Asakura (Keio Univ.), Keiichi Nashimoto (EpiPhotonics), Hiroyuki Tsuda (Keio Univ.) OPE2015-10 LQE2015-20 |
A high-speed wavelength selective device was designed and fabricated using (Pb, La)(Zr, Ti)O_{3} (PLZT), which has large... [more] |
OPE2015-10 LQE2015-20 pp.1-4 |
PRMU, BioX |
2015-03-19 10:30 |
Kanagawa |
|
Automatic Detection and Position Estimation of Stent from OCT Image of Circulatory Organ Mineyuki Tsuda, Haiyuan Wu (Wakayama Univ.) BioX2014-45 PRMU2014-165 |
In recent years, Optical Coherence Tomography (OCT) has been used extensively in the medical field.
However, there is n... [more] |
BioX2014-45 PRMU2014-165 pp.35-40 |
OPE, LQE |
2014-06-20 14:25 |
Tokyo |
|
Design of Cyclic Arrayed Waveguide Grating with Flat Spectral Response for T-band and O-band Nazirul Afham Idris, Hideaki Asakura, Hiroyuki Tsuda (Keio Univ.) OPE2014-16 LQE2014-21 |
We propose a 10-channel, 6.4-THz spacing AWG for cyclic waveband routing on the entire T-band and O-band with a flat spe... [more] |
OPE2014-16 LQE2014-21 pp.19-22 |
MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] |
2014-01-24 15:30 |
Kyoto |
Doshisha University |
Operating characteristic of ultra-small optical switch using phase-change material with Si wire waveguide Takumi Moriyama (Keio Univ.), Hitoshi Kawashima, Masashi Kuwahara, Xiaomin Wang (AIST), Hiroyuki Tsuda (Keio Univ.) PN2013-79 OPE2013-193 LQE2013-179 EST2013-128 MWP2013-99 |
Recently, internet traffic is increasing and a high performance optical switch is required for optical network nodes. We... [more] |
PN2013-79 OPE2013-193 LQE2013-179 EST2013-128 MWP2013-99 pp.287-292 |
LQE, OCS, OPE |
2013-10-24 10:25 |
Fukuoka |
|
Switching characteristics of a 100-GHz-Spacing Integrated 40-λ1×4 Wavelength Selective Switch Takemasa Yoshida, Hideaki Asakura, Hiroyuki Tsuda (Keio Univ.), Takayuki Mizuno, Hiroshi Takahashi (NTT) OCS2013-49 OPE2013-95 LQE2013-65 |
We designed and fabricated an integrated 1×4 wavelength selective switch using a silica planar lightwave circuit. The ch... [more] |
OCS2013-49 OPE2013-95 LQE2013-65 pp.9-12 |
HIP |
2013-07-14 10:40 |
Niigata |
Niigata University of Internatilnal and Information Studies |
Acquisition of Elevation Knowledge in a Virtual Environment Hiroyuki Tsuda, Masashi Sugimoto, Jun Saiki (Kyoto Univ.) HIP2013-40 |
Environmental slant has several influences on spatial navigation. We investigated how elevation knowledge are acquired a... [more] |
HIP2013-40 pp.37-41 |
ED, LQE, CPM |
2012-11-30 17:15 |
Osaka |
Osaka City University |
Design of an optical spectrum control circuit and flattening its transmission spectrum with phase error compensation Tatsuhiko Ikeda (Keio Univ.), Takayuki Mizuno, Hiroshi Takahashi (NTT), Hideaki Asakura, Hiroyuki Tsuda (Keio Univ.) ED2012-92 CPM2012-149 LQE2012-120 |
We designed and fabricated an arrayed-waveguide grating (AWG) type high-resolution optical spectrum control circuit usin... [more] |
ED2012-92 CPM2012-149 LQE2012-120 pp.125-129 |
OPE, LQE, OCS |
2012-10-26 16:35 |
Miyazaki |
|
Wavelength selective switches using silica optical waveguides Yuichiro Ikuma, Takayuki Mizuno, Hiroshi Takahashi (NTT), Hiroyuki Tsuda (Keio Univ.) OCS2012-74 OPE2012-125 LQE2012-91 |
We designed and fabricated integrated 1x2 wavelength selective switches (WSSs) for both fixed and flexible frequency gri... [more] |
OCS2012-74 OPE2012-125 LQE2012-91 pp.171-176 |
LQE, CPM, EMD, OPE, R |
2012-08-24 14:35 |
Miyagi |
Tohoku Univ. |
Fast Aberration-Correction Algorithm for LCOS-based Optical Switch Keisuke Sorimoto (Keio Univ.), Kenji Kintaka, Hitoshi Kawashima, Masahiko Mori, Toshifumi Hasama, Hiroshi Ishikawa (AIST), Hiroyuki Tsuda (Keio Univ.), Hisato Uetsuka (Hitachi Cable, Ltd.) R2012-46 EMD2012-52 CPM2012-77 OPE2012-84 LQE2012-50 |
We propose a novel method to efficiently correct the aberration in a free-space optical switch, where a liquid-crystal-o... [more] |
R2012-46 EMD2012-52 CPM2012-77 OPE2012-84 LQE2012-50 pp.121-125 |
LQE, LSJ |
2012-05-25 10:25 |
Fukui |
Univ. of Fukui (Bunkyo Campus) |
Wavelength tuning characteristics of a 200-GHz channel spacing arrayed-waveguide grating using PLZT buried waveguides Hideaki Asakura (Keio Univ.), Keiichi Nashimoto, David Kudzuma, Masahiko Hashimoto (EpiPhotonics), Hiroyuki Tsuda (Keio Univ.) LQE2012-3 |
We fabricated an AWG (arrayed-waveguide grating) with 8 output channels at a spacing of 200 GHz, using PLZT ((Pb, La)(Zr... [more] |
LQE2012-3 pp.11-14 |