Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
US |
2023-10-18 15:05 |
Miyagi |
Tohoku Univ. and Online (Primary: On-site, Secondary: Online) |
Y-shaped Micro-Flow Phantom for Superficial Micro-vessels Imaging: Novel Fabrication Protocol. Anam Bhatti, Takuro Ishii, Yoshifumi Saijo (Tohoku Univ.) US2023-40 |
Flow phantoms are considered as simulation test beds in optimization of ultrasound imaging sequences. Straight channel m... [more] |
US2023-40 pp.15-18 |
CCS |
2023-03-26 16:25 |
Hokkaido |
RUSUTSU RESORT |
Scalable Channel Allocation in Downlink NOMA Using Parallel Array of Laser Chaos Decision-Maker Masaki Sugiyama (TUS), Li Aohan (UEC), Makoto Naruse (UTokyo), Mikio Hasegawa (TUS) CCS2022-79 |
Non-orthogonal multiple access (NOMA) is a technology that allows multiple users to share the same channel with appropri... [more] |
CCS2022-79 pp.91-96 |
ED, MWPTHz |
2022-12-20 11:15 |
Miyagi |
|
Evaluation of bandgap and carrier transport property in GaN:Eu using laser terahertz emission microscopy Fumiazku Murakami (ILE, Osaka Univ.), Atsushi Takeo (GSE, Osaka Univ.), Abdul Mannan (The University of Manchester), Yasufumi Fujiwara (GSE, Osaka Univ.), Masayoshi Tonouchi (ILE, Osaka Univ.) ED2022-82 MWPTHz2022-53 |
GaN:Eu, gallium nitride (GaN) doped with europium, has attracted much attention as a material for GaN-based red light-em... [more] |
ED2022-82 MWPTHz2022-53 pp.52-57 |
US |
2022-09-20 13:25 |
Online |
Online |
Visualization of skin micro-vasculatures using SVD-based filtering of ultrafast high-frequency ultrasound Anam Bhatti, Takuro Ishii, Naoya Kanno, Yoshifumi Saijo (Tohoku Univ.) US2022-38 |
For earlier diagnosis of skin diseases, visualization of cutaneous vasculatures plays a pivotal role. Skin vasculatures ... [more] |
US2022-38 pp.4-9 |
US |
2021-11-26 15:30 |
Online |
Online |
Acoustic Characterization of Blood Mimicking Fluid for Ultrafast Ultrasound Imaging and PIV Masaaki Omura, Ryo Nagaoka, Kunimasa Yagi (Univ. Toyama), Kenji Yoshida, Tadashi Yamaguchi (Chiba Univ.), Hideyuki Hasegawa (Univ. Toyama) US2021-45 |
Ultrafast ultrasound imaging has been applied to characterization of a blood flow vector velocity distribution in the va... [more] |
US2021-45 pp.30-35 |
QIT (2nd) |
2020-12-10 11:50 |
Online |
Online |
Direct measurement of ultrafast wave function of photons in the time domain Kazuhisa Ogawa, Takumi Okazaki (Hokkaido Univ.), Hirokazu Kobayashi (Kochi Univ. Tech.), Toshihiro Nakanishi (Kyoto Univ.), Akihisa Tomita (Hokkaido Univ.) |
The information encoding in the temporal mode of photons is important in quantum information processing in terms of larg... [more] |
|
OCS, PN, NS (Joint) |
2019-06-20 10:35 |
Iwate |
MALIOS(Morioka) |
Sub-Picosecond Optical Switch over Entire C-Band by Using Nonlinear Optical Loop Mirror Ryoya Hirata, Toshihiko Hirooka, Masato Yoshida, Masataka Nakazawa (Tohoku Univ.) OCS2019-10 |
Ultrafast optical switches have many useful applications ranging from ultrahigh-speed optical communication to signal pr... [more] |
OCS2019-10 pp.1-4 |
PN |
2019-04-26 16:55 |
Tokyo |
The University of Electro-Communication, Build E-3, Hall 301 |
[Invited Talk]
Manipulation of entangled photons in time-frequency domain Ryosuke Shimizu (UEC) PN2019-6 |
Time-frequency duality plays a pivotal role in a wide range of modern optics. The conventional one-dimensional (1D) time... [more] |
PN2019-6 pp.31-36 |
LQE |
2018-02-23 09:35 |
Kanagawa |
|
[Special Invited Talk]
Ultrafast Carrier Transport in a Photodiode Structure Tadao Ishibashi (NEL-T) LQE2017-151 |
Photodiode response behaves variously being associated with nonequilibrium transport of photogenerated carriers. Observe... [more] |
LQE2017-151 pp.1-6 |
OCS, OPE, LQE |
2017-10-27 14:45 |
Kumamoto |
Josaien, Sakuranobaba |
Study on all-optical-gate-based semiconductor mode-locked laser's tolerance to each of detuning frequencies between this laser's total four eigen-frequencies for stabilizing its single ring-cavity-mode operation Kengo Okano, Makoto Takeshita, Kodai Ishida, Yusuke Minamide, Yuki Setagawa, Yoshiyasu Ueno (UEC) OCS2017-56 OPE2017-88 LQE2017-61 |
High repetition frequency, short pulse width and time stability are required for the application of pulsed light as cloc... [more] |
OCS2017-56 OPE2017-88 LQE2017-61 pp.103-108 |
LQE, OPE, OCS |
2016-10-27 11:25 |
Miyazaki |
Miyazaki Citizen's Plaza |
Narrow line-widths of third-order comb-components in optical-frequency-comb spectrum generated by our Giga-Herz all-optical-gate-based mode-locked pulsed laser Kengo Okano, Kodai Ishida, Makoto Takeshita, Yuuki Setagawa, Shota Kawakami, Yusuke Minamide, Yoshiyasu Ueno (UEC) OCS2016-37 OPE2016-78 LQE2016-53 |
Mode-locked lasers which generate precise pulse trains and optical frequency-comb spectra are valuable light sources for... [more] |
OCS2016-37 OPE2016-78 LQE2016-53 pp.13-18 |
LQE, LSJ |
2016-05-19 15:20 |
Fukui |
|
Ultrafast and efficient nonlinear optical response by long-range coupling between light and polarization waves in high-quality semiconductor thin films Masayoshi Ichimiya (Univ. of Shiga Pref.), Takuya Matsuda, Hajime Ishihara (Osaka Pref. Univ.), Masaaki Ashida (Osaka Univ.) LQE2016-4 |
We report the observation of a remarkably strong coupling between light and a multinode-type exciton. The observed radi... [more] |
LQE2016-4 pp.17-20 |
OPE, LQE, OCS |
2015-10-30 11:40 |
Oita |
Beppu International Convention Center |
Line-width quality of each of optical comb components from our home-made, high-precision, all-optical-gate-based, 40-GHz pico-second mode-locked laser system Makoto Takeshita, Yusuke Minamde, Yuuki Setagawa, Toshinori Shibuya, Yoshiyasu Ueno (UEC) OCS2015-61 OPE2015-111 LQE2015-80 |
Mode-locked pulse laser (optical frequency comb source) is expected to make a contribution to the ultrafast optical comm... [more] |
OCS2015-61 OPE2015-111 LQE2015-80 pp.101-106 |
LQE, LSJ |
2015-05-22 10:35 |
Ishikawa |
|
[Invited Talk]
Ultrafast photography with spatiotemporal dispersion Keiichi Nakagawa (Univ. Tokyo) LQE2015-11 |
High-speed photography is a powerful tool for analyzing and understanding various types of dynamics. However the photogr... [more] |
LQE2015-11 pp.53-58 |
LQE, LSJ |
2014-05-22 16:05 |
Fukui |
|
Ultrabroadband mid-infrared pump-probe spectroscopy by chirped-pulse upconversion Hideto Shirai (IMS), Tien Tien Yeh (National Chino Tung Univ.), Yutaka Nomura (IMS), Chih Wei Luo (National Chino Tung Univ.), Takao Fuji (IMS) LQE2014-6 |
We have demonstrated ultrabroadband mid--infrared pump--probe spectroscopy using chirped-pulse upconversion technique wi... [more] |
LQE2014-6 pp.25-28 |
OCS, NS, PN (Joint) |
2010-06-25 09:45 |
Akita |
Akita University |
Channel-allocation-adaptive WDM Signal Observation Based on Sequential Ultrafast Field Sampling Keiji Okamoto, Fumihiko Ito, Yohei Sakamaki, Toshikazu Hashimoto (NTT Corp.) OCS2010-19 |
This paper describes a novel measurement technology, based on sequential ultrafast field sampling incorporating digital ... [more] |
OCS2010-19 pp.49-54 |
LQE |
2007-05-25 11:35 |
Toyama |
Kanazawa Univ. |
Low power operation in ultrafast intersubband optical switch Ryoichi Akimoto, Cong Guangwei, Kazumichi Akita, Toshifumi Hasama, Hiroshi Ishikawa (AIST) LQE2007-6 |
We present an all-optical switch using intersubband transition in wide-gap II-VI-based quantum wells in an improved wave... [more] |
LQE2007-6 pp.27-30 |