Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OPE, LQE |
2020-11-20 15:30 |
Online |
Online |
Wavelength characteristics of Nb2O5 horizontal SiO2 slot waveguides with vertical grating. Yoshiki Hayama, Naoya Katsumata, Katsumi Nakatsuhara, Masayuki Takeda, Takeshi Nishizawa (KAIT) OPE2020-68 LQE2020-48 |
The slot waveguide structures consists of a low-refractive-index medium in a narrow region sandwiched between two high-r... [more] |
OPE2020-68 LQE2020-48 pp.116-121 |
COMP |
2019-10-25 15:45 |
Hokkaido |
Sapporo Campus, Hokkaido University |
Minimal Unique Substrings in a Sliding Window Takuya Mieno, Yuto Nakashima, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda (Kyushu Univ.) COMP2019-26 |
A substring $u$ of a string $T$ is called a minimal unique substring (MUS) of $T$ if $u$ occurs exactly once in $T$ and ... [more] |
COMP2019-26 pp.57-62 |
LQE, OPE, SIPH |
2018-12-06 17:10 |
Tokyo |
Keio University |
Study on fabrication of Nb2O5 waveguides for optical switches with Ferro-electric Liquid Crystal cladding Shinta Uchibori, Yoshiki Hayama, Masayuki Takeda, Takeshi Nishizawa, Katsumi Nakatsuhara (KAIT) OPE2018-122 LQE2018-132 SIPH2018-38 |
(To be available after the conference date) [more] |
OPE2018-122 LQE2018-132 SIPH2018-38 pp.125-130 |
LQE, OPE, SIPH |
2018-12-06 17:10 |
Tokyo |
Keio University |
Selective formation of magnetic garnet thin films on silicon substrates Natsuki Iijima, Taka Yamaguchi, Masayuki Takeda, Takeshi Nishizawa, Katsumi Nakatsuhara (KAIT), Satoru Noge (Numazu NCT), Yuya Shoji, Tetsuya Mizumoto (Tokyo Tech) OPE2018-126 LQE2018-136 SIPH2018-42 |
[more] |
OPE2018-126 LQE2018-136 SIPH2018-42 pp.143-148 |
LQE, OPE, SIPH |
2018-12-06 17:10 |
Tokyo |
Keio University |
Wavelength characteristic shift operation of a Nb2O5 waveguide resonator with distributed Bragg reflectors having ferro-electric liquid crystal Sho Inamori, Yoshiki Hayama, Masayuki Takeda, Takeshi Nishizawa, Katsumi Nakatsuhara (KAIT) OPE2018-128 LQE2018-138 SIPH2018-44 |
(To be available after the conference date) [more] |
OPE2018-128 LQE2018-138 SIPH2018-44 pp.155-160 |
OPE, OCS, OFT (Joint) [detail] |
2018-02-15 14:00 |
Okinawa |
Okinawa Prefectural Museum |
A study and theoretical analysis of horizontal slot waveguide using Nb2O5 Toshihiro Ochiai, Masayuki Takeda, Takeshi Nishizawa, Katsumi Nakatsuhara (KAIT) OCS2017-80 OFT2017-70 OPE2017-170 |
Horizontal slot waveguides formed by thin film deposition have the feature of strongly confining light in the lower refr... [more] |
OCS2017-80 OFT2017-70 OPE2017-170 pp.7-10 |
OPE |
2017-12-07 13:15 |
Okinawa |
|
[Poster Presentation]
Theoretical characteristics and fabrication process of FLC loading MZI type optical switch using Nb2O5 waveguide Shinta Uchibori, Masayuki Takeda, Takeshi Nishizawa, Katsumi Nakatsuhara (KAIT) OPE2017-101 |
We have been studying optical waveguide devices loading FLC (Ferro-electric liquid crystal). Ferro-electric liquid cryst... [more] |
OPE2017-101 pp.63-68 |
OPE |
2017-12-07 13:15 |
Okinawa |
|
[Poster Presentation]
Fabrication and evaluation of magnetic garnet thin films on silicon substrates Natsuki Iijima, Kazuki Isiguro, Masayuki Takeda, Takeshi Nishizawa, Katumi Nakatsuhara (KAIT), Satoru Noge (NIT, Numazu College), Tetsuya Mizumoto, Yuya Shoji (Tokyo Tech) OPE2017-109 |
A magneto-optical isolator is indispensable for protecting optical devices from unwanted reflections. The isolator emplo... [more] |
OPE2017-109 pp.103-106 |
OPE |
2016-12-08 16:35 |
Okinawa |
|
Wavelength characteristics of a Si3N4 waveguide resonator with distributed Bragg reflectors for optical tunable filters having ferro-electric liquid crystal Sho Inamori, Kentaro Sakakibara, Masayuki Takeda (kanagawa Inst. of Tech.), Noritsugu Yamamoto (AIST), Katsumi Nakatsuhara (kanagawa Inst. of Tech.) OPE2016-108 |
Ferro-electric liquid crystal (FLC) materials have the high speed response time of sub-milliseconds. In addition, FLC ma... [more] |
OPE2016-108 pp.23-28 |
OPE, OME |
2015-11-26 15:50 |
Kagawa |
Sunport-hall Takamatsu |
Switching characteristics of a tunable wavelength filter using Si-AWG and FLC Wataru Kanakubo, Daisuke Kimura, Kenta Tamura, Masayuki Takeda, Katsumi Nakatsuhara (KAIT) OME2015-68 OPE2015-134 |
We proposed and fabricated a tunable wavelength filter using an arrayed waveguide grating (AWG) featuring ferroelectric ... [more] |
OME2015-68 OPE2015-134 pp.19-24 |
OPE, LQE, OCS |
2015-10-30 13:00 |
Oita |
Beppu International Convention Center |
Fabrication of phased array waveguides for optical switches featuring liquid crystal cladding Wataru Kanakubo, Masayuki Takeda, Katsumi Nakatsuhara (KAIT) OCS2015-62 OPE2015-112 LQE2015-81 |
(Advance abstract in Japanese is available) [more] |
OCS2015-62 OPE2015-112 LQE2015-81 pp.107-110 |
CPM, OPE, LQE, R, EMD |
2015-08-27 15:25 |
Aomori |
Aomori-Bussankan-Asupamu |
Evaluation of propagation loss of Si waveguides loaded with Ce:YIG film using Asymmetric Mach-Zehnder waveguides Masato Seido, Masayuki Takeda, Katsumi Nakatsuhara (KAIT), Satoru Noge (NIT), Tetsuya Mizumoto (Tokyo Tech) R2015-30 EMD2015-38 CPM2015-54 OPE2015-69 LQE2015-38 |
[more] |
R2015-30 EMD2015-38 CPM2015-54 OPE2015-69 LQE2015-38 pp.39-43 |
CPM |
2015-08-11 10:20 |
Aomori |
|
Study of the Ce: YIG Thin Film Growth by Using Contact Epitaxy Method for Integrated Optical Isolator Satoru Noge (NIT, Numazu College), Masato Seido, Masayuki Takeda, Katsumi Nakatsuhara (KAIT) CPM2015-42 |
[more] |
CPM2015-42 pp.57-60 |
COMP |
2014-12-05 13:00 |
Kumamoto |
Sojo University |
[Invited Talk]
A new characterization of maximal repetitions by Lyndon trees Hideo Bannai (Kyushu Univ.), Tomohiro I (TU Dortmund), Shunsuke Inenaga, Yuto Nakashima, Masayuki Takeda, Kazuya Tsuruta (Kyushu Univ.) COMP2014-35 |
A run is a maximal periodic sub-interval of a string, that is at least as long as twice its smallest period. Runs are im... [more] |
COMP2014-35 p.21 |
OME, OPE |
2014-11-21 17:30 |
Tokyo |
|
An optical tunable add-drop multiplexer featuring ferroelectric liquid crystal and an improvement of wavelength characteristics by using weighted grating structures Yoshiki Hayama, Katsumi Nakatsuhara, Masayuki Takeda (Kanagawa Inst. Technol.), Akifumi Kato (AIST) OME2014-58 OPE2014-138 |
We proposed and fabricated a tunable add-drop multiplexer in a silicon waveguide Mach-Zehnder interferometer that has sa... [more] |
OME2014-58 OPE2014-138 pp.59-64 |
COMP |
2011-05-11 13:00 |
Nagano |
Shinshu Univ. |
A String Pattern Matching Algorithm for Non-Linear Collage Systems Junichi Yamamoto, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda (Kyushu Univ.) COMP2011-12 |
A non-linear text is a directed graph where each vertex is labeled with a string.
In this paper, we propose a \emph{non... [more] |
COMP2011-12 pp.1-7 |
COMP |
2011-05-11 13:35 |
Nagano |
Shinshu Univ. |
Algorithms for Computing Longest Common Substring/Subsequence on Non-Linear Texts Kouji Shimohira, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda (Kyushu Univ.) COMP2011-13 |
A non-linear text is a directed graph where each vertex is labeled with a string.
In this paper, we define Longest comm... [more] |
COMP2011-13 pp.9-16 |
IBISML |
2010-11-04 15:00 |
Tokyo |
IIS, Univ. of Tokyo |
[Poster Presentation]
Learning Evaluation Functions for Shogi Using SVM-based Bipartite Ranking Learning Daiki Suehiro, Kohei Hatano, Hideo Bannai, Eiji Takimoto, Masayuki Takeda (Kyushu Univ.) IBISML2010-74 |
Recently, automatic optimization of parameters by applying machine learning methods has become a mainstream approach for... [more] |
IBISML2010-74 pp.113-118 |
COMP |
2010-09-29 13:30 |
Niigata |
Nagaoka Univ. of Tech. |
Counting and Verifying Maximal Palindromes Tomohiro I, Shunsuke Inenaga, Hideo Bannai, Masayuki Takeda (Kyushu Univ.) COMP2010-27 |
A palindrome is a symmetric string that reads the same forward and backward. Let $\pals(w)$ denote the set of maximal pa... [more] |
COMP2010-27 pp.25-30 |
COMP |
2008-06-16 11:00 |
Ishikawa |
JAIST |
A Context Tree Weighting Algorithm with an Adaptive Window Tomohiro I, Kohei Hatano, Hideo Bannai, Masayuki Takeda (Kyushu Univ.) COMP2008-17 |
The Context Tree Weighting Method (CTW) is one of the most effective algorithm in the area of universal data compression... [more] |
COMP2008-17 pp.15-22 |