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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2023-05-11 16:15 |
Iwate | Aiina(Iwate) (Primary: On-site, Secondary: Online) |
Design of uncoupled 3-mode 4-core graded-index fibers with a common depressed layer Tomoki Honda, Takanori Sato, Takeshi Fujisawa (Hokaido Univ.), Taro Iwaya, Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokaido Univ.) |
[more] | |
| OCS, OFT, OPE (Joint) [detail] |
2023-02-17 14:10 |
Okinawa | kukuru-itomancity (Primary: On-site, Secondary: Online) |
A study on a PLC-based six-mode multi/demultiplexer using Y-branch mode converter and optical unitary converter Yasuto Yoshida, Takanori Sato, Takeshi Fujisawa (Hokkaido Univ.), Takayoshi Mori, Taiji Sakamoto, Yoko Yamashita, Ryota Imada, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.)  OCS2022-86 OFT2022-62 OPE2022-115 |
A selective/non-selective six-mode (de)multiplexer using planar lightwave circuits (PLC) is designed to realize mode-div... [more] | OCS2022-86 OFT2022-62 OPE2022-115 pp.80-85(OCS), pp.53-58(OFT), pp.105-110(OPE) |
| OPE, OCS, LQE | 2022-10-20 17:35 |
Ehime | (Primary: On-site, Secondary: Online) |
Ultrasmall mosaic-based mode multiplexer for C-, O-, and C+O-band operations Takeshi Fujisawa (Hokkaido Univ.), Takuya Mitarai, Takuya Okimoto, Naoyo Kono, Naoki Fujiwara (Sumitomo), Takanori Sato (Hokkaido Univ.), Hideki Yagi (Sumitomo), Kunimasa Saitoh (Hokkaido Univ.) OCS2022-26 OPE2022-72 LQE2022-35 |
[more] | OCS2022-26 OPE2022-72 LQE2022-35 pp.51-55 |
| EMD, R, LQE, OPE, CPM | 2022-08-26 11:25 |
Chiba | (Primary: On-site, Secondary: Online) |
Study on design of mosaic-based 2 × 2 3-dB power splitter in the mid infrared Taichi Muratsubaki, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) R2022-25 EMD2022-13 CPM2022-30 OPE2022-56 LQE2022-19 |
For the mid infrared waveband, we propose a mosaic-based 2 × 2 3-dB power splitter. By applying mosaic structure, the fo... [more] | R2022-25 EMD2022-13 CPM2022-30 OPE2022-56 LQE2022-19 pp.50-55 |
| OPE, OFT, OCS (Joint) [detail] |
2022-02-25 13:05 |
Online | Online | Group delay spread reduction using coupled multicore fibers with twist and bend Kazushi Homma, Takanori Sato, Takeshi Fujisawa (Hokkaido Uni.), Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Uni.) OCS2021-49 OFT2021-79 OPE2021-64 |
We investigate mode coupling characteristics in coupled multicore fibers with twist and bend for reducing the group dela... [more] | OCS2021-49 OFT2021-79 OPE2021-64 pp.40-45(OCS), pp.49-54(OFT), pp.78-83(OPE) |
| R, LQE, OPE, CPM, EMD | 2021-08-27 14:40 |
Online | Online (Zoom) | A design of highly fabrication-tolerant 2-µm 4-mode waveguide crossing based on mosaic structure Taichi Muratsubaki, Takeshi Fujisawa, Yusuke Sawada, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) R2021-26 EMD2021-7 CPM2021-16 OPE2021-27 LQE2021-6 |
A novel direct binary search algorithm for designing high-fabrication-tolerance mosaic-based devices is proposed, and wi... [more] | R2021-26 EMD2021-7 CPM2021-16 OPE2021-27 LQE2021-6 pp.25-30 |
| OPE, LQE | 2020-11-20 15:30 |
Online | Online | The relationship between group index and group delay spread in coupled multicore fibers under macrobending condition Yuki Yasui, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) OPE2020-60 LQE2020-40 |
We reveal the relationship between group index and group delay spread (GDS) in coupled multicore fibers for space divisi... [more] | OPE2020-60 LQE2020-40 pp.75-79 |
| OPE, LQE | 2020-11-20 15:30 |
Online | Online | Twist- and bend-induced mode conversion in coupled multi-core fibers Kazushi Homma, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) OPE2020-61 LQE2020-41 |
The propagation characteristics of coupled 3-core fibers under twisting and bending conditions are analyzed using beam p... [more] | OPE2020-61 LQE2020-41 pp.80-85 |
| OPE, LQE | 2020-11-20 15:30 |
Online | Online | Suppression of bending loss in coupled few-mode multicore fibers with outer trench layer Kenta Nishimura, Takeshi Fujisawa, Takanori Sato (Hokkaido Univ.), Taiji Sakamoto, Takashi Matsui, Yuto Sagae, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OPE2020-62 LQE2020-42 |
We propose a coupled few-mode multicore fiber with outer trench layer for suppressing both the group delay spread (GDS) ... [more] | OPE2020-62 LQE2020-42 pp.86-91 |
| OPE, OCS, LQE | 2020-10-23 09:55 |
Online | Online | A comparison of the learning characteristics of optical device using an artificial neural network and Bayesian inference Takeshi Fujisawa, Kunimasa Saitoh (Hokkaido Univ) OCS2020-10 OPE2020-33 LQE2020-13 |
[more] | OCS2020-10 OPE2020-33 LQE2020-13 pp.11-16 |
| OCS, LQE, OPE | 2019-10-18 15:05 |
Kagoshima | Fabrication and characterization of broadband TE0-TE1 mode divider Takeshi Fujisawa (Hokkaido Univ.), Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OCS2019-48 OPE2019-86 LQE2019-64 |
(Advance abstract in Japanese is available) [more] | OCS2019-48 OPE2019-86 LQE2019-64 pp.109-112 |
|
| OFT, OCS, OPE (Joint) [detail] |
2019-02-15 13:00 |
Fukuoka | Fabrication of wavefront-matching-method-designed silicon mode converters Yusuke Sawada, Takanori Sato, Takeshi Fujisawa, Kunimasa Saitoh (Hokkaido Univ.) OCS2018-91 OFT2018-78 OPE2018-207 |
(Advance abstract in Japanese is available) [more] | OCS2018-91 OFT2018-78 OPE2018-207 pp.57-62(OCS), pp.41-46(OFT), pp.73-78(OPE) |
|
| OFT, OCS, OPE (Joint) [detail] |
2019-02-15 13:25 |
Fukuoka | Development of beam propagation method for helicoidal waveguides and its application to twisted photonic crystal fibers Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) OCS2018-92 OFT2018-79 OPE2018-208 |
(Advance abstract in Japanese is available) [more] | OCS2018-92 OFT2018-79 OPE2018-208 pp.63-68(OCS), pp.47-52(OFT), pp.79-84(OPE) |
|
| OPE, LQE, OCS | 2018-10-19 09:30 |
Saga | A Design of Low MDL Scrambling-type PLC 6 Mode Multi/ Demultiplexer Motoki Shirata, Misa Kudo, Takeshi Fujisawa (Hokkaidou Univ.), Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaidou Univ.) OCS2018-40 OPE2018-76 LQE2018-65 |
The design of four-, six-, and eight-mode scrambling-type mode multi/demultiplexers (mode scramblers) together with the ... [more] | OCS2018-40 OPE2018-76 LQE2018-65 pp.65-70 |
|
| OCS, OFT, LSJ (Joint) [detail] |
2018-08-30 13:40 |
Hokkaido | Hakodate Hokuyo Building 8Kai Hall | Influence of disturbance on Inter-core Crosstalk between Heterogeneous Cores Yoshimichi Amma, Katsuhiro Takenaga (Fujikura Ltd.), Takeshi Fujisawa, Kunimasa Saitoh, Masanori Koshiba (Hokkaido Univ.), Kazuhiko Aikawa (Fujikura Ltd.) OCS2018-20 |
A heterogeneous multi-core fiber (MCF) is one of the techniques to reduce inter-core crosstalk (XT) in a MCF. However, t... [more] | OCS2018-20 pp.7-10 |
| OPE, OCS, OFT (Joint) [detail] |
2018-02-16 11:35 |
Okinawa | Okinawa Prefectural Museum | A scrambling-type three-mode (de)multiplexer based on silica PLC Takeshi Fujisawa (Hokkaido Univ.), Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OCS2017-89 OFT2017-74 OPE2017-182 |
(Advance abstract in Japanese is available) [more] | OCS2017-89 OFT2017-74 OPE2017-182 pp.49-54(OCS), pp.29-34(OFT), pp.67-72(OPE) |
| OPE | 2017-12-07 11:40 |
Okinawa | Fabrication of Broadband Mach-Zehnder Mode Multi/Demultiplexer Based on 3dB Mode Divider with Taper Waveguide Shun Ohta, Shuntaro Makino, Takeshi Fujisawa (Hokkaido Univ.), Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OPE2017-94 |
We have studied a broadband mode multi/demultiplexer using Mach-Zehnder interferometer for combined use of the MDM and W... [more] | OPE2017-94 pp.25-30 |
|
| OPE | 2017-12-07 13:15 |
Okinawa | [Poster Presentation]
Development of the wavefront matching method for 3-D waveguide discontinuity problem and its application to Si-wire waveguide devices Yusuke Sawada, Takeshi Fujisawa, Kunimasa Saitoh (Hokkaido Univ.) OPE2017-96 |
The wavefront matching method based on the three-dimensional finite-element method for waveguide discontinuity problem i... [more] | OPE2017-96 pp.37-40 |
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| OPE | 2017-12-07 13:15 |
Okinawa | [Poster Presentation]
A Mach-Zehnder Mode/Wavelength Multi/Demultiplexer based on Si/Silica Hybrid PLC Platform Misa Kudo, Shun Ohta, Eri Taguchi, Takeshi Fujisawa (Hokkaido Univ.), Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OPE2017-99 |
Combined use of wavelength division multiplexing (WDM) and mode division multiplexing (MDM) attracts a lot of attention ... [more] | OPE2017-99 pp.53-58 |
|
| OCS, OPE, LQE | 2017-10-26 11:40 |
Kumamoto | Josaien, Sakuranobaba | MOVPE Growth for Mid Infrared Light Emitting and Detection Devices Masakazu Arai, Keita Yoshimoto, Yuya Yamagata, Yuki Fujiwara, Kakeru Takahashi (Univ. of Miyazaki), Takeshi Fujisawa (Hokkaido Univ.), Koji Maeda (Univ. of Miyazaki) OCS2017-40 OPE2017-72 LQE2017-45 |
Mid infrared wavelength has attracted for gas sensing and new band fiber optic devices. We developed MOVPE growth for Sb... [more] | OCS2017-40 OPE2017-72 LQE2017-45 pp.25-28 |
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