Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, OFT, IEE-CMN, ITE-BCT (Joint) [detail] |
2023-11-09 16:45 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Phase Compensation Method in Mode Selective Switch Using Volume Holographic De-multiplexer Yui Yoshikata, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) OCS2023-44 |
In mode-division multiplex (MDM) communication using few-mode fiber, it is expected to realize ROADM by introducing mode... [more] |
OCS2023-44 pp.6-11 |
OCS, LQE, OPE |
2023-10-20 10:10 |
Kochi |
(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, OCS, LSJ (Joint) [detail] |
2023-08-24 14:50 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
A study on differential modal delay control by cabling parameter of high-density cable Masashi Kikuchi, Takayoshi Mori, Yusuke Yamada (NTT) OFT2023-9 |
Space Division Multiplexing optical fiber including few-mode fiber is promising technology for expanding transmission ca... [more] |
OFT2023-9 pp.1-6 |
OFT, OCS, LSJ (Joint) [detail] |
2023-08-25 11:20 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Real-time 114-SDM transmission over a 6-mode 19-core fiber using real-time MIMO DSP Shohei Beppu (KDDI Research), Masahiro Kikuta, Masahiro Shigihara (NEC Platforms), Koji Igarashi (Osaka University), Daiki Soma, Yuta Wakayama, Noboru Yoshikane (KDDI Research) OCS2023-25 |
Space-division multiplexing (SDM) transmission systems, in which multiple channels with different spatial paths are mult... [more] |
OCS2023-25 pp.33-38 |
RCS |
2023-06-15 10:30 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
PAPR Reduction Method Utilizing Difference in Eigenvalues Among Spatial Channels in Uplink Eigenmode Massive MIMO Transmission Yuta Abekura (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-52 |
In this paper, we propose a peak-to-average power ratio (PAPR) reduction method utilizing difference in eigenvalues amon... [more] |
RCS2023-52 pp.141-146 |
OFT |
2023-05-11 15:25 |
Iwate |
Aiina(Iwate) (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) (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] |
2023-02-16 17:00 |
Okinawa |
kukuru-itomancity (Primary: On-site, Secondary: Online) |
Fabrication for Asymmetric Y-branched Polymer Optical Waveguide Using the Imprint Method and Its Application for Mode Division Multiplexing Devices Shinnosuke Ono, Takaaki Ishigure (Keio Univ.) OCS2022-76 OFT2022-54 OPE2022-102 |
In this paper, asymmetric Y-branched polymer optical waveguides are investigated theoretically and experimentally as a m... [more] |
OCS2022-76 OFT2022-54 OPE2022-102 pp.28-33(OCS), pp.13-18(OFT), pp.40-45(OPE) |
OCS, OFT, OPE (Joint) [detail] |
2023-02-17 11:55 |
Okinawa |
kukuru-itomancity (Primary: On-site, Secondary: Online) |
Investigation of optical frequency domain mode equalizer using spatial light modulator Yuta Goto, Satoshi Shinada (NICT), Atsushi Okamoto (Hokkaido Univ.), Hideaki Furukawa (NICT) OCS2022-83 OPE2022-112 |
In the mode-division multiplexing transmission, although the multi-input multi-output (MIMO) processing is required in t... [more] |
OCS2022-83 OPE2022-112 pp.68-72(OCS), pp.93-97(OPE) |
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) |
OCS, CS (Joint) |
2023-01-13 09:25 |
Fukuoka |
CANAL CITY HAKATA (Primary: On-site, Secondary: Online) |
Phase compensation method in core-selective switch for few-mode multi-core fiber using spatial light modulator Ryo Watanabe, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) OCS2022-63 |
In order to realize Dence SDM transmission using Few-Mode Multi-Core Fiber(FM-MCF), a switching device adapted to spatia... [more] |
OCS2022-63 pp.18-21 |
RCS, AP, UWT (Joint) |
2022-11-16 11:00 |
Fukuoka |
Kyushu University, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Wireless Transmission Technologies for Severe Doubly-Selective Channels of Underwater Acoustic Communications Hiroshi Kubo, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) AP2022-155 RCS2022-166 |
It is well-known that underwater acoustic communications (UWACs) plays an important role for underwater mobile communica... [more] |
AP2022-155 RCS2022-166 pp.45-50(AP), pp.67-72(RCS) |
AP |
2022-10-19 12:20 |
Gifu |
GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study on 3D Imaging Error of Squint Mode Automotive TDM-MIMO SAR Masaya Kato, Hiroyoshi Yamada (Niigata Univ.) AP2022-128 |
Recently, object collision prevention systems have been developed to improve driving safety. Millimeter-wave radar has a... [more] |
AP2022-128 pp.143-148 |
SAT, RCS (Joint) |
2022-08-25 11:15 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Joint Time-Variant Channel Estimation and Signal Detection for Underwater Acoustic MIMO-OFDM Communications Tianhao Dong, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) RCS2022-103 |
In underwater acoustic (UWA) communications, a combination of orthogonal frequency-division multiplexing (OFDM) and mult... [more] |
RCS2022-103 pp.36-41 |
OPE, OFT, OCS (Joint) [detail] |
2022-02-25 13:30 |
Online |
Online |
Measuring Jones matrices representing mode couplings in few mode fibers Ryotaro Fukunaga, Koji Igarashi (Osaka Univ.) OCS2021-50 OPE2021-65 |
The mode dispersion in few-mode fibers (FMFs) determines the transmission performance of the mode multiplexed systems. I... [more] |
OCS2021-50 OPE2021-65 pp.46-50(OCS), pp.84-88(OPE) |
IE, ITS, ITE-AIT, ITE-ME, ITE-MMS [detail] |
2022-02-21 14:40 |
Online |
Online |
Effect of post-exposure time on diffraction efficiency of volume holograms during recording Yuya Kuroda, Atsushi Okamoto (Hokkaido Univ.), Satoshi Shinada, Yuta Goto (NICT), Akihisa Tomita (Hokkaido Univ.) |
To realize the mode division multiplexing transmission, we have proposed a volume holographic mode de-multiplexer (VHDM)... [more] |
|
IE, ITS, ITE-AIT, ITE-ME, ITE-MMS [detail] |
2022-02-21 15:05 |
Online |
Online |
Mode diffusion technique for reduction of crosstalk in volume holographic mode demultiplexer Shuanglu Zhang, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) |
Volume holographic demultiplexers (VHDMs) utilize angularly multiplexed volume holograms to separate multiplexed spatial... [more] |
|
OFT |
2022-01-21 09:35 |
Online |
Online |
Dependence of in-core erbium doping and refractive index distribution in 3-signal LP mode ring core Er-doped fiber Taro Sumitani (Osaka Pref. Univ.), Hirotaka Ono (Shonan Inst. of Tech.), Kanami Ikeda, Osanori Koyama, Makoto Yamada (Osaka Pref. Univ.) OFT2021-65 |
We are developing a few-mode fiber amplifier to realize a long-haul mode-division-multiplexing transmission. It was conf... [more] |
OFT2021-65 pp.51-56 |
OCS, CS (Joint) |
2022-01-14 10:00 |
Yamaguchi |
Conference room 204A・B at KDDI Ishin-hall (Primary: On-site, Secondary: Online) |
A study on the configuration of wide dynamic range burst-mode signals detection for digital coherent reception. Ryo Koma, Kazutaka Hara, Jun-ichi Kani, Tomoaki Yoshida (NTT) CS2021-71 |
In the uplink transmission of the time division multiplexing-based passive optical network (TDM-PON) system using the di... [more] |
CS2021-71 pp.19-24 |
MW, AP (Joint) |
2021-09-10 10:10 |
Online |
Online |
Multipath Cluster Characteristics in Outdoor Open Square Access Environments at 60 GHz Minseok Kim, Keiichiro Kumakura, Shuaiqin Tang, Hibiki Tsukada (Niigata Univ.) AP2021-61 |
This paper presented channel sounding measurement results obtained in outdoor open square environments at 60 GHz using a... [more] |
AP2021-61 pp.23-28 |