Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OPE, OCS, LQE |
2020-10-23 16:05 |
Online |
Online |
Molecule-sensing scheme in which pair of distant comb-lines (delta 174 GHz) from all-optical semiconductor gate resonantly crosses acetylene-molecule's counterpart-pair of absorption lines. Naoki Takahashi, Chaoyi Wang, Kyosuke Nagasaka, Yushi Suzuki, Kodai Ishida, Yoshiyasu Ueno (UEC) OCS2020-20 OPE2020-43 LQE2020-23 |
Portable dilute-gas-molecule-density measurement systems are bases for monitoring environmental load-gas densities in in... [more] |
OCS2020-20 OPE2020-43 LQE2020-23 pp.61-66 |
OPE, LQE, OCS |
2018-10-18 15:00 |
Saga |
|
Study on our all-optical-gate-type mode-locked laser's ring-laser-cavity configuration for modelling and then enhancing its output quantum-conversion efficiency Kodai Ishida, Kengo Okano, Kyosuke Nagasaka, Batkhuyag Ganbat, Yukihiro Ishii, Makoto Takeshita, Yoshiyasu Ueno (UEC) OCS2018-35 OPE2018-71 LQE2018-60 |
We are expecting that mode-locked lasers are potentially one- or two-step more functional light sources when they are ad... [more] |
OCS2018-35 OPE2018-71 LQE2018-60 pp.41-46 |
OCS, OPE, LQE |
2017-10-27 14:20 |
Kumamoto |
Josaien, Sakuranobaba |
1-THz bandwidth, 10-GHz spaced optical frequency combs generated from all-optical-gate-based semiconductor mode-locked lasers Makoto Takeshita, Kodai Ishida, Kengo Okano, Yoshiyasu Ueno (UEC) OCS2017-55 OPE2017-87 LQE2017-60 |
Optical frequency comb source is expected to contribute for improving performance of a rarefied-gas sensing, and its bro... [more] |
OCS2017-55 OPE2017-87 LQE2017-60 pp.97-102 |
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 |
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 |
OCS, OPE, LQE |
2014-10-30 14:30 |
Nagasaki |
Nagasaki Museum of History and Culture |
Studies on upper limit of all-optical semiconductor gate's cutoff frequency after optically accelerating more strongly, along with enhancing current injection rate for compensating for thus accelerated electron-hole recombination rate. Hajime Itagaki, Yusuke Minamide, Kazuyuki Nagahiro, Jun Sakaguchi, Yoshiyasu Ueno (UEC) OCS2014-50 OPE2014-94 LQE2014-68 |
[more] |
OCS2014-50 OPE2014-94 LQE2014-68 pp.43-47 |
LQE |
2009-05-22 11:15 |
Toyama |
Kanazawa Univ. |
Wavelength Dependences of Optical Phase and Amplitude Modulations in Semiconductor Waveguide Masanori Honma, Ferran Salleras, Nguyen Tuan Anh, Yoshiyasu Ueno (Univ. of Electro-Comm.), Nobuhiko Ozaki (The Univ. of Tsukuba), Kiyoshi Asakawa (National Inst. for Materials Sci.) LQE2009-7 |
All-optical switching devices are one of the key elements in future photonic networks. They have some characteristics of... [more] |
LQE2009-7 pp.33-37 |
LQE |
2007-12-07 14:55 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Quantum-conversion efficiencies in semiconductor optical amplifier and model of electric dc power consumption in ultrafast all-optical semiconductor gates using them Jun Sakaguchi, Ferran Salleras, Yoshiyasu Ueno (UEC) LQE2007-120 |
Based on nine up-to-date types of semiconductor-optical-amplifier (SOA) samples, we devised a power-consumption model of... [more] |
LQE2007-120 pp.37-42 |
PN |
2004-10-22 16:40 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
40Gb/s ultra fast optical 3R gate for suppressing the amplitude noise Masashi Toyoda, Rei Suzuki, Yoshiyasu Ueno (Univ. of electro-Communications) |
We modeled the PDSMZ-type(i.e., UNI-type) 3R gating scheme, serched for its optimum conditions such as pulse width, and ... [more] |
PN2004-56 pp.43-48 |