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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 137  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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.)
(To be available after the conference date) [more]
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
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
RCS 2021-06-24
13:40
Online Online A Transmission Efficiency Improvement Scheme for Software Acoustic MODEMs of Differential OFDM
Koki Toyoda, Hiroshi Kubo (Ritsumeikan Univ.) RCS2021-57
This paper discusses differential orthogonal frequency division multiplexing (DOFDM) software modems for underwater acou... [more] RCS2021-57
pp.169-174
OCS, CS
(Joint)
2021-01-15
13:00
Online Online Effect of spatial resolution of compensated wave front on performance in volume hologram demultiplexer
Hotaka Hayashi, Atsushi Okamoto (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Yuta Goto, Naoya Wada (NICT), Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) OCS2020-34
We are proposing volume hologram mode demultiplexer (VHDM) as a demultiplexer for mode division multiplex communication.... [more] OCS2020-34
pp.37-41
OCS, CS
(Joint)
2021-01-15
13:25
Online Online Experiment on joint switch of few-mode multi-core fiber using spatial light modulator
Yuta Abe, Atushi Okamoto, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Daiki Soma, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) OCS2020-35
In order to realize SDM transmission using few-mode multi-core fibers (FM-MCFs), a switching device adapted to spatially... [more] OCS2020-35
pp.42-45
OPE, LQE 2020-11-20
15:30
Online Online Fabrication of single-mode Y-branch waveguides using the Mosquito method
Hiroki Hama, Takaaki Ishigure (Keio Univ.) OPE2020-52 LQE2020-32
Due to the rapid progress of cloud computing technology, data traffic in intra and inter datacenter networks is continuo... [more] OPE2020-52 LQE2020-32
pp.35-40
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
OFT, ITE-BCT, OCS, IEE-CMN [detail] 2020-11-12
14:35
Online Online Modeling of couplings between two degenerate linearly-polarized modes based on dual three-dimensional Stokes Space
Ryotaro Fukunaga, Koji Igarashi (Osaka Univ.) OFT2020-39
In mode-division-multiplexed transmission in multi-mode fibers (MMFs), it is essential to compensate for couplings betwe... [more] OFT2020-39
pp.11-16
OFT, ITE-BCT, OCS, IEE-CMN [detail] 2020-11-12
16:25
Online Online Wave front compensation method for output signal in volume hologram demultiplexer
Hotaka Hayashi, Atsushi Okamoto (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Yuta Goto, Naoya Wada (NICT), Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) OCS2020-25
Volume Hologram mode De-Multiplexer (VHDM) using Volume Hologram (VH) is extremely cost effective because it can multipl... [more] OCS2020-25
pp.11-14
OPE, OCS, LQE 2020-10-23
14:25
Online Online Fabrication for Mode Coupling Optical Waveguide using the Mosquito Method
Takumi Kowatari, Takaaki Ishigure (Keio Univ.) OCS2020-17 OPE2020-40 LQE2020-20
Single-mode fiber (SMF) links are gradually being deployed in datacenter networks because of their high bandwidth and de... [more] OCS2020-17 OPE2020-40 LQE2020-20
pp.48-53
OCS, OFT, LSJ
(Joint) [detail]
2020-08-28
14:00
Online Online Simultaneous Measurement on Mode Field Diameter of Multiple Cores in Multi-core Fibers
Masaki Ohzeki, Takuya Oda, Katsuhiro Takenaga, Kazuhiko Aikawa (Fujikura) OCS2020-4
Space-division multiplexing technologies with multi-core fibers (MCFs) have been promising. Mode field diameter (MFD) is... [more] OCS2020-4
pp.1-4
PN 2020-08-25
10:00
Online Online A novel ILP model for the routing and spectrum allocation problem in SDM-EONs -- In consideration of space lane change --
Jiading Wang, Qian Wu, Maiko Shigeno (Tsukuba Univ.) PN2020-19
Space-division multiplexing (SDM) is regarded as one of the most promising technologies to satisfy the explosively growi... [more] PN2020-19
pp.39-44
PN 2020-03-02
12:45
Kagoshima
(Cancelled but technical report was issued)
An Experimental Evaluation of Mode and Wavelength Switching using Weakly-coupled 10-Mode Division Multiplexed Network
Seiya Sumita, Daiki Soma, Shohei Beppu, Takehiro Tsuritani (KDDI Research Inc.) PN2019-53
Partial MIMO-based weakly-coupled few-mode fiber transmission system can not only suppress large MIMO processing but als... [more] PN2019-53
pp.1-5
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