Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OPE, OFT, OCS (Joint) [detail] |
2025-02-20 14:20 |
Okinawa |
(Okinawa) |
Study on numerical simulation method for group delay spread in randomly coupled multi-core fiber Ryota Imada, Taiji Sakamoto (NTT), Takanori Satoh, Kunimasa Saitoh (HU), Kazuhide Nakajima (NTT) |
(To be available after the conference date) [more] |
|
OPE, OFT, OCS (Joint) [detail] |
2025-02-20 17:10 |
Okinawa |
(Okinawa) |
Design of Gain Flattening Filter for 2LP-mode EDFA Using Long-Period Fiber Gratings Takumi Kimura, Takanori Sato (Hokkaido Univ), Masaki Wada, Taro Iwaya, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ) |
(To be available after the conference date) [more] |
|
PN, EMT, MWPTHz, IEE-EMT [detail] |
2025-01-23 14:40 |
Hyogo |
Arcrea Himeji (Hyogo, Online) (Primary: On-site, Secondary: Online) |
Proof of Concept of Multi-beamformer for Analog RoF System Based on Optical Phase Control Using Optical Unitary Converters Hiroki Shishikura, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) PN2024-48 EMT2024-98 MWPTHz2024-86 |
Beamforming technique using optical phase control is promising as a measure to cope with the increase in the number of b... [more] |
PN2024-48 EMT2024-98 MWPTHz2024-86 pp.37-40 |
OPE, OFT, OCS (Joint) [detail] |
2024-02-21 14:20 |
Okinawa |
Nobumoto Ohama Memorial Hall (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Analyzing the Impact of Stress Distribution on Polarization-Mode Dispersion in Multi-Core Fibers Gustavo Ocampo (Hokkaido Univ.), Mayu Iizuka (Fujikura), Kunimasa Saitoh (Hokkaido Univ.) OCS2023-70 OFT2023-63 OPE2023-110 |
[more] |
OCS2023-70 OFT2023-63 OPE2023-110 pp.15-20(OCS), pp.1-6(OFT), pp.15-20(OPE) |
OPE, OFT, OCS (Joint) [detail] |
2024-02-21 16:55 |
Okinawa |
Nobumoto Ohama Memorial Hall (Okinawa, Online) (Primary: On-site, Secondary: Online) |
A study on loss characteristics of uncoupled 3-mode 4-core graded index fiber with a common depressed layer Tomoki Honda, Takanori Sato (Hokkaido Univ.), Taro Iwaya, Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OCS2023-75 OFT2023-67 OPE2023-118 |
[more] |
OCS2023-75 OFT2023-67 OPE2023-118 pp.42-47(OCS), pp.23-28(OFT), pp.58-63(OPE) |
OCS, LQE, OPE |
2023-10-20 10:10 |
Kochi |
(Kochi, Online) (Primary: On-site, Secondary: Online) |
Design of Mode-evolution-based Compact Symmetric Multimode Y-junction for the 2-µm Waveband Using Shortcuts to Adiabaticity Taichi Muratsubaki, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) OCS2023-39 OPE2023-94 LQE2023-41 |
We report the design results of compact symmetric multimode Y junction for the 2-µm waveband. The proposed device achiev... [more] |
OCS2023-39 OPE2023-94 LQE2023-41 pp.62-67 |
OFT |
2023-05-11 15:25 |
Iwate |
Aiina(Iwate) (Iwate, Online) (Primary: On-site, Secondary: Online) |
A study on loss characteristics of 3-mode dual-step index pure silica core fiber. Taro Iwaya, Yuto Sagae, Takayoshi Mori, Taiji Sakamoto, Takashi Matsui (NTT), Takanori Sato, Kunimasa Saitoh (Hokudai), Kazuhide Nakajima (NTT) OFT2023-3 |
Toward lowering loss and differential mode delay (DMD) of 3-mode fiber, feasibility of pure silica core with dual-step i... [more] |
OFT2023-3 pp.10-13 |
OFT |
2023-05-11 16:15 |
Iwate |
Aiina(Iwate) (Iwate, Online) (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.) OFT2023-5 |
We design a standard diameter (125 μm) uncoupled 3-mode 4-core fiber (3M-4CF). In order to suppress the inter-core cross... [more] |
OFT2023-5 pp.20-23 |
OCS, OFT, OPE (Joint) [detail] |
2023-02-17 14:10 |
Okinawa |
kukuru-itomancity (Okinawa, Online) (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 |
(Ehime, Online) (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 |
(Chiba, Online) (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 (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) (Online) |
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 (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 (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 (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 (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 |
(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 |
(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 |
(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) |