Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EMD, LQE, OPE, CPM, R |
2014-08-21 16:45 |
Hokkaido |
Otaru Economy Center |
Physical-random number generation using a semiconductor laser diode's frequency noise characteristics.
-- Influence of lights source characteristics -- Naohiro Mizutani, Masatoshi Hasegawa, Hideaki Arai, Shinya Maehara (Niigata univ.), Kohei Doi (Tohoku Gakuin Univ.), Takashi Sato, Yasuo Ohdaira, Masashi Ohkawa, Shuichi Sakamoto (Niigata univ.) R2014-34 EMD2014-39 CPM2014-54 OPE2014-64 LQE2014-38 |
[more] |
R2014-34 EMD2014-39 CPM2014-54 OPE2014-64 LQE2014-38 pp.59-62 |
EMD, LQE, OPE, CPM, R |
2014-08-21 17:05 |
Hokkaido |
Otaru Economy Center |
Examination of an Optical Range Finder Using Semiconductor Laser Frequency Noises Katsuki Kondou, Takahiro Saito, Yuuya Tokutake, Hideaki Arai, Shinya Maehara (Niigata Univ.), Kohei Doi (Tohoku Gakuin Univ.), Takashi Sato, Yasuo Ohdaira, Masashi Ohkawa, Shuichi Sakamoto (Niigata Univ.) R2014-35 EMD2014-40 CPM2014-55 OPE2014-65 LQE2014-39 |
[more] |
R2014-35 EMD2014-40 CPM2014-55 OPE2014-65 LQE2014-39 pp.63-66 |
OPE, LQE, CPM, EMD, R |
2013-08-29 09:00 |
Hokkaido |
sun-refre Hakodate |
High-speed physical-random number generation using a laser diode's wide frequency noise characteristics Takanobu Kondo, Shinya Maehara (Niigata Uni), Kohei Doi (Gakuin Uni), Hideaki Arai, Naohiro Mizutani, Takashi Sato, Shuichi Sakamoto, Yasuo Ohdaira, Masashi Ohkawa (Niigata Uni) R2013-28 EMD2013-34 CPM2013-53 OPE2013-57 LQE2013-27 |
Recently, cryptographic is important to protect information. Now, the pseudo-random number is used for cryptographic. Bu... [more] |
R2013-28 EMD2013-34 CPM2013-53 OPE2013-57 LQE2013-27 pp.1-4 |
OPE, LQE, CPM, EMD, R |
2013-08-29 09:25 |
Hokkaido |
sun-refre Hakodate |
Physical random number generation using a frequency noise characteristic of a semiconductor laser
-- An influence of narrower oscillation width on physical random number generation -- Genichi Furukawa, Takahiro Saitou, Shota Sakai, Hideaki Arai, Shinya Maehara (Niigata Univ.), Kohei Doi (Touhoku gakuin Univ.), Takashi Sato, Masashi Ohkawa, Shuichi Sakamoto, Yasuo Ohdaira (Niigata Univ.) R2013-29 EMD2013-35 CPM2013-54 OPE2013-58 LQE2013-28 |
The light output from a semiconductor laser has high speed noise in both intensity and frequency region. We generate phy... [more] |
R2013-29 EMD2013-35 CPM2013-54 OPE2013-58 LQE2013-28 pp.5-10 |
OPE, LQE, CPM, EMD, R |
2013-08-29 09:50 |
Hokkaido |
sun-refre Hakodate |
Optical Distance Measurement Using Frequency Noises of a Semiconductor Laser Naoya Shimizu, Shinya Maehara (Niigata Univ.), Kohei Doi (Touhoku Gakuin Univ.), Hideaki Arai, Takashi Sato, Masashi Ohkawa, Yasuo Ohdaira, Shuichi Sakamoto (Niigata Univ.) R2013-30 EMD2013-36 CPM2013-55 OPE2013-59 LQE2013-29 |
A semiconductor laser’s frequency fluctuates owing to the refractive index fluctuations caused by the spontaneous emissi... [more] |
R2013-30 EMD2013-36 CPM2013-55 OPE2013-59 LQE2013-29 pp.11-14 |
LQE, CPM, EMD, OPE, R |
2012-08-23 10:25 |
Miyagi |
Tohoku Univ. |
Random-Number-Generation Using a VCSEL's Frequency Noise Characteristic Kohei Kawakami, Shinya Maehara, Kohei Doi, Hideaki Arai, Takanobu Kondo, Naoya Shimizu, Takashi Sato, Shuichi Sakamoto, Yasuo Ohdaira, Masashi Ohkawa (Niigata Univ.) R2012-22 EMD2012-28 CPM2012-53 OPE2012-60 LQE2012-26 |
The pseudo-random number is normally used for large-scale simulation and encryption of communication. On the other hand,... [more] |
R2012-22 EMD2012-28 CPM2012-53 OPE2012-60 LQE2012-26 pp.9-12 |
LQE, LSJ |
2011-05-20 10:25 |
Ishikawa |
Kanazawa Univ. (Natural Sci. Tech. Main Bldg.) |
Physical Random Number Generation by Means of Diode Lasers' Frequency Noise Kohei Doi, Hideaki Arai, Shinya Maehara, Hiroki Takamori, Yoshihiko Matsumoto, Takashi Sato, Yasuo Ohdaira, Shuichi Sakamoto, Masashi Ohkawa (Niigata Univ.) LQE2011-3 |
Diode lasers are characterized by wideband frequency-noise output that is easily detected by frequency-selective element... [more] |
LQE2011-3 pp.9-12 |
LQE |
2010-05-28 11:35 |
Fukui |
Sougou Kenkyuu Tou I, Bunkyo Campus, Univ. of Fukui |
Fast Physical-Random Number Generation Using Frequency Noises of a Semiconductor Laser Shinya Maehara, Kohei Doi, Teturo Ushiki, Takashi Sato, Yasuo Ohdaira, Masashi Ohkawa (Niigata Univ.) LQE2010-6 |
Pseudo-random numbers’ periodicity renders them inappropriate for use in cryptographic applications, but, naturally-gene... [more] |
LQE2010-6 pp.23-26 |
LQE |
2009-05-22 14:20 |
Toyama |
Kanazawa Univ. |
Oscillation frequency stabilization of a semiconductor laser using the Faraday effect
-- Consideration about the temperature fluctuation of our experimental setup -- Hideaki Arai, Shinya Maehara, Akira Sato, Hideyuki Kuwabara, Takashi Sato, Masashi Ohkawa (Niigata Univ.) LQE2009-12 |
Recently, the compact and highly coherent laser light source is required to be developed for the use in the laser interf... [more] |
LQE2009-12 pp.59-63 |
LQE, CPM, EMD, OPE |
2008-08-29 11:20 |
Miyagi |
Touhoku Univ. |
Frequency stabilization of semiconductor lasers for onboard interferometers using both Rb-saturated absorption profiles and double-optical feedback systems Kenji Nakano, Shinya Maehara, Ayumi Sato, Kohei Doi, Takashi Sato, Masashi Ohkawa (Graduate School of Science and Technology Niigata Univ.), Seiji Kawamura (NAOJ) EMD2008-50 CPM2008-65 OPE2008-80 LQE2008-49 |
We expect that semiconductor lasers are useful for precise interferometric systems employed in artificial satellites, by... [more] |
EMD2008-50 CPM2008-65 OPE2008-80 LQE2008-49 pp.93-98 |
LQE, CPM, EMD, OPE |
2008-08-29 11:45 |
Miyagi |
Touhoku Univ. |
Oscillation frequency stabilization of a semiconductor laser by an indirect modulation method using the Faraday effect Akira Sato, Shinya Maehara (Graduate School of Science and Technology Niigata Uni.), Tomoyuki Uehara (Kyoto Uni.), Hideaki Arai, Takashi Sato, Tadashi Tamura, Masashi Ohkawa (Graduate School of Science and Technology Niigata Uni.), Seiji Kawamura (NAOJ) EMD2008-51 CPM2008-66 OPE2008-81 LQE2008-50 |
Research, using tandem satellites’ on-board tracking laser interferometers, is aimed at gauging the infinitesimal variat... [more] |
EMD2008-51 CPM2008-66 OPE2008-81 LQE2008-50 pp.99-102 |
CPM, LQE, OPE, EMD |
2007-08-24 14:00 |
Hokkaido |
Hokaido Univ. |
Influence on the frequency stability from temperature controls at several points in our frequency stabilization of a semiconductor laser Mitsusuke Yanagisawa, Kenji Nakano, Shinya Maehara, Takashi Sato, Takeo Maruyama, Masashi Ohkawa (Niigata Univ.), Seiji Kawamura (NAOJ) EMD2007-51 CPM2007-72 OPE2007-89 LQE2007-52 |
Semiconductor lasers used as light sources for satellite-to-satellite tracking interferometers measure fluctuations in e... [more] |
EMD2007-51 CPM2007-72 OPE2007-89 LQE2007-52 pp.119-122 |
LQE |
2007-05-25 13:50 |
Toyama |
Kanazawa Univ. |
Frequency stabilization of a semiconductor laser using the PEAK method
-- Discussion about the effect of experimental condition on frequency stability -- Tomoyuki Uehara, Shinya Maehara, Toshiya Nimonji, Takashi Sato, Masashi Ohkawa, Takeo Maruyama (Niigata Univ.), Seiji Kawamura (NAOJ) LQE2007-9 |
In 1916, Albert Einstein argued for the existence of gravitational waves. But, confirmation of his ideas would not come,... [more] |
LQE2007-9 pp.41-44 |
IT, ISEC, WBS |
2007-03-16 10:45 |
Gunma |
Gunma Univ. (Kiryu Campus) |
Study on Turbo Decoding Using Error and Erasure Decoder of RS codes As a Hard-in Soft-out Decoder Shinya Maehara, Brian Kurkoski, Kazuhiko Yamaguchi, Kingo Kobayashi (UEC) |
[more] |
IT2006-111 ISEC2006-166 WBS2006-108 pp.155-160 |
LQE |
2006-06-02 17:10 |
Fukui |
University of Fukui |
Influence of modulation characteristics on oscillation frequency stability of a semiconductor laser using the direct modulation method
-- Frequency stabilization using the saturated absorption line of the Rb atom -- Kenji Nakano, Shinya Maehara, Yuichi Ota, Yasuhiro Sekiya, Mitsuhiro Yanagisawa, Takashi Sato, Takeo Maruyama, Masashi Ohkawa (Niigata Univ.), Tsuneya Tsubokawa (NAOJ) |
We have improved the frequency stabilization system of a semiconductor laser, which uses a Fabry-Perot etalon as a frequ... [more] |
LQE2006-16 pp.75-80 |
LQE |
2005-05-19 15:05 |
Ishikawa |
Kanazawa Univ. |
Evaluation of stability of oscillation frequency of a double optical feedback system Kohei Doi, Yumie Kobayashi, Shinya Maehara, Takashi Sato, Takeo Maruyama, Masashi Ohkawa (Niigata Univ.), Tsuneya Tsubokawa (NAO) |
[more] |
LQE2005-10 pp.37-40 |
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