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All Technical Committee Conferences (All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
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| 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) |
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| 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) |
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| 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 |
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| 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 |
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| 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 |
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| 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 |
| OCS, OFT, OPE (Joint) [detail] |
2017-02-16 14:30 |
Osaka | Osaka Prefecture University(I-site Nanba) | Impulse Response Analysis of Coupled Multicore Fibers Having Random Twisting with Macrobending Yasuyuki Chida, Takeshi Fujisawa, Kunimasa Saitoh (Hokkaido Univ.) OCS2016-71 OFT2016-45 OPE2016-160 |
(Advance abstract in Japanese is available) [more] | OCS2016-71 OFT2016-45 OPE2016-160 pp.1-6(OCS), pp.5-10(OFT), pp.5-10(OPE) |
| OPE, EST, LQE, EMT, PN, MWP, IEE-EMT [detail] | 2017-01-19 14:35 |
Mie | Iseshi Kanko Bunka Kaikan | A Proposal of Low-loss and Compact Si Wire 90 degree Waveguide Bend Using Clothoid Curves Shuntaro Makino, Masahiro Suga, Takeshi Fujisawa, Kunimasa Saitoh (Hokkaido Univ.) PN2016-80 EMT2016-109 OPE2016-155 LQE2016-144 EST2016-119 MWP2016-93 |
A low-loss and compact Si wire 90° waveguide bend using clothoid curves is proposed to reduce the bending loss in optica... [more] | PN2016-80 EMT2016-109 OPE2016-155 LQE2016-144 EST2016-119 MWP2016-93 pp.257-262 |
| LQE, OPE, OCS | 2016-10-27 16:35 |
Miyazaki | Miyazaki Citizen's Plaza | Theoretical investigation of highly efficient connecting structure between Ge-rib and GeSn waveguides and extinction characteristics of GeSn/SiGeSn multiple-quantum-well waveguide for mid-infrared photonics Minami Akie, Takanori Sato, Shuntaro Makino (Hokkaido Univ.), Masakazu Arai (Miyazaki Univ.), Takeshi Fujisawa, Kunimasa Saitoh (Hokkaido Univ.) OCS2016-44 OPE2016-85 LQE2016-60 |
We investigate efficient connecting structure between Ge-rib and GeSn waveguides on Si substrate for mid-infrared (2 μm)... [more] | OCS2016-44 OPE2016-85 LQE2016-60 pp.55-60 |
| LQE, OPE, OCS | 2016-10-28 11:05 |
Miyazaki | Miyazaki Citizen's Plaza | 100-Gbit/s operation of 4-channel directly modulated DFB laser monolithically integrated with MMI coupler Wataru Kobayashi, Shigeru Kanazawa, Yuta Ueda (NTT), Takeshi Fujisawa (Hokkaido Univ), Hiroyuki Ishii, Mikitaka Itoh (NTT) OCS2016-49 OPE2016-90 LQE2016-65 |
We fabricate a 1.3 μm, 4-channel directly modulated laser (DML) array monolithically integrated multimode interference (... [more] | OCS2016-49 OPE2016-90 LQE2016-65 pp.83-86 |
| LQE, OPE, OCS | 2016-10-28 13:00 |
Miyazaki | Miyazaki Citizen's Plaza | Fabrication of PLC-based 2-mode multi/demultiplexer designed by wavefront matching method and the reason of its broadband characteristics Eri Taguchi, Yoko Yamashita, Shuntaro Makino, Takeshi Fujisawa (Hokkaido Univ.), Nobutomo Hanzawa, Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima, Fumihiko Yamamoto (NTT), Kunimasa Saitoh (Hokkaido Univ.) OCS2016-51 OPE2016-92 LQE2016-67 |
We investigate the PLC-based 2-mode multi/demuliplexer using wavefront matching method based on 3D scalar finite element... [more] | OCS2016-51 OPE2016-92 LQE2016-67 pp.91-96 |
| LQE, OPE, OCS | 2016-10-28 13:25 |
Miyazaki | Miyazaki Citizen's Plaza | A Proposal 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.) OCS2016-52 OPE2016-93 LQE2016-68 |
We investigate the broadband mode multi/demultiplexer using Mach-Zehnder interferometer having delay line for combined u... [more] | OCS2016-52 OPE2016-93 LQE2016-68 pp.97-102 |
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