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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIS | 2024-03-14 16:00 |
Kanagawa | Kanagawa Institute of Technology (Primary: On-site, Secondary: Online) |
[Invited Talk]
search trends in silicon photonics devices integrated with different materials Katsumi Nakatsuhara, Yoshiki Hayama (KAIT)  SIS2023-53 |
Silicon photonics is based on electronic circuit technology and makes it possible to make optical circuits smaller, save... [more] | SIS2023-53 pp.45-48 |
| 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 |
| 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 |
|
| SIS | 2017-03-02 16:10 |
Kanagawa | Kanagawa Inst. Tech. Yokohama Office | [Invited Talk]
Silicon photonics devices featuring with Ferroelectric Liquid Crystal Katsumi Nakatsuhara (KAIT) SIS2016-53 |
[more] | SIS2016-53 pp.65-70 |
| 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 |
|
| 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 |
|
| OPE, LQE, CPM, EMD, R | 2013-08-30 16:05 |
Hokkaido | sun-refre Hakodate | Theoretical characteristics and fabrication of Si grating waveguides having ferro-electric liquid crystal for optical tunable filters Akifumi Kato, Katsumi Nakatsuhara, Yoshiki Hayama (Kanagawa Inst. of Tech.) R2013-61 EMD2013-67 CPM2013-86 OPE2013-90 LQE2013-60 |
We proposed and fabricated tunable filters using Si-grating waveguides with ferroelectric liquid crystal cladding. We th... [more] | R2013-61 EMD2013-67 CPM2013-86 OPE2013-90 LQE2013-60 pp.163-168 |
| OPE, LQE | 2010-06-25 16:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Wavelength characteristic measurement of PSS liquid crystal polarization control device for anoptical switch Wataru Ogasawara, Katsumi Nakatsuhara, Takakiyo Nakagami (Kanagawa Inst. of Tech.), Sinichi Hirose, Kiyoshi Ando, Akihiro Mochizuki (Nano Loa, Inc.) OPE2010-20 LQE2010-22 |
We study the polarization independent free space optical switches for wavelength multiplex communication. The switches u... [more] | OPE2010-20 LQE2010-22 pp.25-29 |
| OPE, EMD, CPM, LQE | 2009-08-20 10:55 |
Miyagi | Fabrication of Mach-Zehnder Interferometer type 1x8 optical switch using Si waveguides with Ferroelectric Liquid Crystal cladding Takahiro Sawa, Katsumi Nakatsuhara, Takakiyo Nakagami (Kanagawa Inst. of Tech.) EMD2009-30 CPM2009-54 OPE2009-78 LQE2009-37 |
We have been studying optical waveguide devices using FLC for optical waveguide claddings. Ferroelectric liquid crystal ... [more] | EMD2009-30 CPM2009-54 OPE2009-78 LQE2009-37 pp.21-25 |
|
| LQE, OPE | 2009-06-19 14:55 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Improvement filter responses and fabrication process of multiple-cavity Fabry-Perot resonator waveguides for optical tunable filter Akifumi Kato, Katsumi Nakatsuhara, Takakiyo Nakagami (Kanagawa Inst. of Tech.) OPE2009-24 LQE2009-27 |
We proposed and fabricated a tunable filter using Si-waveguide multiple-cavity Fabry-Perot resonators with ferroelectric... [more] | OPE2009-24 LQE2009-27 pp.45-49 |
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