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All Technical Committee Conferences  (Searched in: Recent 10 Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 21  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
PN 2025-03-04
13:00
Okinawa (Okinawa, Online)
(Primary: On-site, Secondary: Online)
[Invited Talk] Evaluation of optical fibers using linear optical sampling and application to LiDAR
Chao Zhang, Kyogo Osawa, Akira Izumoto, Takahiro Suyama, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Shingo Ohno, Kunihiro Toge (NTT)
 [more]
OFT 2025-01-23
14:40
Osaka (Osaka, Online)
(Primary: On-site, Secondary: Online)
[Poster Presentation] Statistical Analysis of Spatial Mode Dispersion of Coupled 4-Core Fiber -- Comparison of fixed analyzer method and linear optical sampling --
Kyogo Osawa, Akira Izumoto, Takahiro Suyama, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Shingo Ohno, Kunihiro Toge (NTT) OFT2024-92
 [more] OFT2024-92
pp.45-48
OFT, OCS, IEE-CMN, ITE-BCT, CQ
(Joint) [detail]
2024-11-07
15:25
Kochi (Kochi) Evaluation of concrete structures with OFDR and developments towards on-site testing
Yuichi Yoshimura, Devin Gunawan, Shintaro Kojima, Yuki Yokota, Michio Imai (Kajima), Chao Zhang, Fumihiko Ito (Shimane Univ.) OFT2024-69
Distributed fiber optic sensing is actively utilized for the efficient, rational construction and maintenance management... [more] OFT2024-69
pp.5-8
OFT, OCS, IEE-CMN, ITE-BCT, CQ
(Joint) [detail]
2024-11-07
16:00
Kochi (Kochi) [Invited Talk] Assessing water position in porous media through distributed temperature sensing using Phase-noise-compensated optical frequency domain reflectometry
Tetsuya Kogure (Kyoto Univ.), Ashis Acharya, Daiki Tanimura, Chao Zhang, Fumihiko Ito (Shimane Univ.), Toshihiro Sakaki (ESE), Mitsuru Komatsu (Okayama Univ.), Issei Doi (Kyoto Univ.) OFT2024-70
Assessing groundwater migration or groundwater position is critical in elucidating the slope-formation process or in pre... [more] OFT2024-70
pp.9-12
OFT 2024-10-10
10:10
Tokyo (Tokyo, Online)
(Primary: On-site, Secondary: Online)
[Poster Presentation] Remote strain measurement by using PNC-OFDR through optical fiber for data communication
Sakuya Hara, Keigo Nakao, Ryota Ogu, Chao Zhang, Fumihiko Ito (Shimane Univ.), Yuichi Yoshimura, Hiroyuki Aoshika, Michio Imai (Kajima Corp.) OFT2024-35
When optical fiber sensing is applied to the monitoring of structures during construction and service, there are situati... [more] OFT2024-35
pp.13-17
OFT 2024-10-10
13:20
Tokyo (Tokyo, Online)
(Primary: On-site, Secondary: Online)
[Poster Presentation] Long distance dynamic strain measurement by using phase-noise-compensated OFDR
Ryota Ogu, Keigo Nakao, Sakuya Hara, Chao Zhang, Fumihiko Ito (Shimane Univ.), Yuichi Yoshimura, Hiroyuki Aoshika, Michio Imai (Kajima Corp.) OFT2024-44
We performed dynamic strain measurements over 1-km distance using phase-noise-compensated optical frequency domain refle... [more] OFT2024-44
pp.55-59
HIP 2023-12-21
11:00
Miyagi Research Institute of Electrical Communication (Miyagi) Natural finger-tapping tempo reflects intrinsic neurophysiological characteristics -- Neural correlates of natural tempo --
Sai Sun (Tohoku Univ.), Daw-An Wu, Mohammad Shehata (Caltech), Takuya Akashi, Morimichi Furudate (Iwate Univ.), Chao Zhang (Fukui Univ.), Ken-Ichiro Tsutsui, Satoshi Shioiri (Tohoku Univ.), Shinsuke Shimojo (Caltech) HIP2023-77
Individuals often have a natural rhythm or speed in their motor activities, such as walking and talking. What remains la... [more] HIP2023-77
pp.5-12
QIT
(2nd)
2023-12-17
17:30
Okinawa OIST (Okinawa, Online)
(Primary: On-site, Secondary: Online)
[Poster Presentation] Optimal POVM with minimal size in two-parameter qubit-state estimation
Jianchao Zhang, Jun Suzuki (UEC)
In the realm of qubit state tomography, the accurate estimation of quantum states parameterized across the complete Bloc... [more]
OFT, OCS, LSJ
(Joint) [detail]
2023-08-25
10:55
Hokkaido   (Hokkaido, Online)
(Primary: On-site, Secondary: Online)
Ultrafast Measurement of Spatial Modes employing Two-dimensional Linear Optical Sampling
Shuki Okamura, Kyogo Osawa, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Yusuke Koshikiya (NTT) OFT2023-14
With the combination of linear optical sampling a low-speed photodiode array, we measured the two-dimensional complex am... [more] OFT2023-14
pp.27-31
QIT
(2nd)
2022-12-08
14:00
Kanagawa Keio Univ. (Kanagawa, Online)
(Primary: On-site, Secondary: Online)
[Poster Presentation] QestOptPOVM: Numerical search for finding an optimal POVM for multiparameter estimation
Jianchao Zhang, Jun Suzuki (UEC)
It is of fundamental question to find an optimal measurement (POVM) that extracts the most information available about t... [more]
MRIS, CPM, ITE-MMS [detail] 2022-10-28
10:45
Nagano Shinshu Univ. (Nagano, Online)
(Primary: On-site, Secondary: Online)
Electric field induced motion of magnetic skyrmions and the transformation of topological spin textures
Xichao Zhang, Xiaoxi Liu (Shinshu Univ.) MRIS2022-15 CPM2022-46
Ultra low energy control of spin textures is the foundation for information technology. Magnetic skyrmions, magnetic vor... [more] MRIS2022-15 CPM2022-46
pp.37-42
OFT 2022-10-13
09:30
Kanagawa Kanagawa-Kenmin Center (Kanagawa, Online)
(Primary: On-site, Secondary: Online)
[Poster Presentation] Dynamic strain measurement by OFDR employing high-speed wavelength-swept laser
Ryota Ogu, Daiki Tanimura, Chao Zhang, Fumihiko Ito (Shimane Univ.), Yuichi Yoshimura, Hiroyuki Aoshika, Michio Imai (KAJIMA) OFT2022-23
We constructed an optical frequency domain reflectometry using a broadband, high-speed wavelength swept laser with a MEM... [more] OFT2022-23
pp.20-24
OFT 2022-10-13
10:50
Kanagawa Kanagawa-Kenmin Center (Kanagawa, Online)
(Primary: On-site, Secondary: Online)
[Poster Presentation] Bandwidth-by-band Measurement of Spatial-Mode Dispersion of Coupled 2-Core and 4-Core Fibers employing Linear Optical Sampling
Shuki Okamura, Masafumi Uyama, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Tatsuya Okamoto, Yusuke Koshikiya (NTT) OFT2022-30
The impulse responses of coupled 2-core and 4-core fibers with various fiber lengths were measured over a wide bandwidth... [more] OFT2022-30
pp.47-52
QIT
(2nd)
2022-05-30
10:15
Online Online (Online) Universal quantum computation based on nanoscale skyrmion helicity qubits
Jing Xia, Xichao Zhang, Xiaoxi Liu (Shinshu Univ.), Yan Zhou (CUHK), Motohiko Ezawa (Univ. Tokyo)
Skyrmions in frustrated magnets have the helicity degree of freedom, where two different configurations of
Bloch-type s... [more]

OFT 2022-05-13
14:00
Aomori Aomori-Aspm Bldg (Aomori, Online)
(Primary: On-site, Secondary: Online)
Measurement of Spatial-Mode Dispersion of Coupled 2-Core Fiber employing Linear Optical Sampling
Masafumi Uyama, Shuki Okamura, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Tatsuya Okamoto, Yusuke Koshikiya (NTT) OFT2022-3
The spatial mode dispersion of two types of coupled multicore fibers, one with a homogeneous core and the other with a h... [more] OFT2022-3
pp.11-15
OFT, OCS, IEE-CMN, ITE-BCT [detail] 2021-11-19
11:15
Online Online (Online) [Invited Talk] Recent progress of coherent free-space optical communications
Chao Zhang (Shimane Univ.), Kota Uyama, Zheyuan Zhang, Sze Yun Set, Shinji Yamashita (Univ. of Tokyo) OFT2021-54
Free-space optical communication is preferred for its advantages over radio frequency wireless communication, such as no... [more] OFT2021-54
pp.17-22
OFT 2021-10-14
10:30
Online Online (Online) [Poster Presentation] Mutual interference suppression for FMCW LiDAR
Akifumi Soma, Shota Araishi, Sougo Shimizu, Chao Zhang, Fumihiko Ito (Shimane Univ.) OFT2021-27
In this article, we outline mutual interference in frequency-modulated continuous-wave LiDAR and proposes a suppression ... [more] OFT2021-27
pp.23-28
NS 2021-04-16
10:25
Online Online (Online) ALR Switching and Routing Strategy for Multiple Sites Based on Traffic Splitting Method for Power Saving
Chao Zhang, Shigetomo Kimura (Univ. of Tsukuba) NS2021-9
In recent years, researchers focus on methods to reduce the network devices’ energy consumption since it is increasing r... [more] NS2021-9
pp.47-52
OFT 2021-01-14
15:10
Online Online (Online) Research on Amplitude-Modulated Continuous-Wave Laser Scanners
Chao Zhang, Sze Yun Set, Shinji Yamashita (Univ. Tokyo) OFT2020-48
 [more] OFT2020-48
pp.17-22
RISING
(2nd)
2019-11-26
10:30
Tokyo Fukutake Learning Theater, Hongo Campus, Univ. Tokyo (Tokyo) [Poster Presentation] Reconstruction of Occluded Human Skeleton Information Using Generative Adversarial Network
Bochao Zhang, Takashi Nishitsuji, Takuya Asaka (Tokyo Metropolitan Univ.)
Recently, the posture estimation technology using human skeleton data detected by deep learning has attracted attention.... [more]
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