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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 33  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
PN 2023-04-28
(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
EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] 2018-01-26
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
OCS, OPE, LQE 2017-10-26
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
OCS, OPE, LQE 2017-10-26
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
(Joint) [detail]
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
LQE, OPE, EMD, R, CPM 2016-08-25
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
LQE, OPE 2015-06-19
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
OPE, LQE 2014-06-20
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
MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] 2014-01-24
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
LQE, OCS, OPE 2013-10-24
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
HIP 2013-07-14
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
ED, LQE, CPM 2012-11-30
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
OPE, LQE, OCS 2012-10-26
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
LQE, CPM, EMD, OPE, R 2012-08-24
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
LQE, LSJ 2012-05-25
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
CPM, OPE, LQE, EMD 2011-08-26
Hokkaido Hokkaido Univ. Silica-based Collimating Waveguide for a Free-Space Optical Cross Connect
Nazirul Afham Idris, Keisuke Sorimoto, Hiroyuki Tsuda (Keio Univ.) EMD2011-45 CPM2011-89 OPE2011-80 LQE2011-43
We propose a silica-based based waveguide that integrates beam expanding and collimating function. This beam collimator ... [more] EMD2011-45 CPM2011-89 OPE2011-80 LQE2011-43
LQE, LSJ 2011-05-20
Ishikawa Kanazawa Univ. (Natural Sci. Tech. Main Bldg.) Research on a high-resolution optical spectrum control circuit and its application to a band-limited transmission system
Tatsuhiko Ikeda, Koichi Kato, Yuichiro Ikuma (Keio Univ.), Hiroshi Takahashi, Takayuki Mizuno (NTT Corp.), Hiroyuki Tsuda (Keio Univ.) LQE2011-4
Optical signal processing based on time-to-space conversion is key technology in high speed optical communication system... [more] LQE2011-4
EMD, OPE, LQE, CPM 2010-08-27
Hokkaido Chitose Arcadia Plaza Switching Demonstration of an Optical Gate Switch Using a Phase-Change Material Integrated with Si Waveguides
Daiki Tanaka, Yuichiro Ikuma (Keio Univ.), Yuya Shoji, Masashi Kuwahara, Xiaomin Wang, Kenji Kintaka, Hitoshi Kawashima (AIST), Tatsuya Toyosaki, Hiroyuki Tsuda (Keio Univ.) EMD2010-53 CPM2010-69 OPE2010-78 LQE2010-51
Two types of optical gate switch using phase-change material (PCM) were fabricated. The one switch had a 1-µm-thic... [more] EMD2010-53 CPM2010-69 OPE2010-78 LQE2010-51
Akita Akita University [Invited Talk] Wavelength Selectable Switch with Variable Bandwidth Allocation -- Switching Device Application based on Monolithic Integration AWGs --
Hisato Uetsuka, Hiroshi Ishikawa, Toshifumi Hasama, Hitoshi Kawashima, Kenji Kintaka, Masahiko Mori (AIST), Keisuke Sorimoto, Hiroyuki Tsuda (Keio Univ.) NS2010-33 OCS2010-15 PN2010-6
As the transmission capacity per optical fiber has been increased, a load of the routers and/or the power consumption ha... [more] NS2010-33 OCS2010-15 PN2010-6
pp.31-35(NS), pp.25-29(OCS), pp.31-35(PN)
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