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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
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Committee Date Time Place Paper Title / Authors Abstract Paper #
OPE, OCS, LQE 2022-10-20
(Primary: On-site, Secondary: Online)
Ultrasmall mosaic-based mode multiplexer for C-, O-, and C+O-band operations
Takeshi Fujisawa (Hokkaido Univ.), Takuya Mitarai, Takuya Okimoto, Naoyo Kono, Naoki Fujiwara (Sumitomo), Takanori Sato (Hokkaido Univ.), Hideki Yagi (Sumitomo), Kunimasa Saitoh (Hokkaido Univ.) OCS2022-26 OPE2022-72 LQE2022-35
 [more] OCS2022-26 OPE2022-72 LQE2022-35
SDM, ED, CPM 2022-05-27
Online Online Development of ZnO/Conductive-Fabrics for Flexible Thermoelectric Devices
Nobuhiro Kawase, Naoki Fujiwara, Masaru Shimomura (Shizuoka Univ.), Toshitaka Yamakawa (Kumamoto Univ.), Kazushi Ikeda (NAIST), Yasuhiro Hayakawa, Hiroya Ikeda (Shizuoka Univ.) ED2022-8 CPM2022-2 SDM2022-15
With the aim of developing high-efficiency flexible thermoelectric devices, such as wearable power generator and self-po... [more] ED2022-8 CPM2022-2 SDM2022-15
NLP 2021-12-17
Oita J:COM Horuto Hall OITA Analysis of Microgrid Integrated with Virtual Synchronous Generator for Safe Operation Based on Reachable Set
Naoki Fujiwara, Takashi Hikihara (Kyoto Univ.) NLP2021-47
A microgrid mainly consists of distributed generation using renewable energy. The microgrid is expected from various vie... [more] NLP2021-47
OPE, LQE, OCS 2019-11-11
Tokyo Kikai-Shinko-Kaikan Bldg (Tokyo) [Special Invited Talk] 106 Gbit/s PAM4 60 km transmission using SOA assisted extended reach EADFB laser (AXEL)
Takahiko Shindo, Naoki Fujiwara, Shigeru Kanazawa, Masahiro Nada, Toshihide Yoshimatsu, Atsushi Kanda, Mingchen Chen, Yoshitaka Ohiso, Kimikazu Sano, Hideaki Matsuzaki (NTT) OCS2019-58 OPE2019-96 LQE2019-74
(Advance abstract in Japanese is available) [more] OCS2019-58 OPE2019-96 LQE2019-74
LQE, OPE, SIPH 2018-12-06
Tokyo Keio University [Invited Talk] 2-um-band tunable laser for CO2 gas sensing
Yuta Ueda, Takahiko Shindo, Takuya Kanai, Makoto Shimokozono, Naoki Fujiwara (NTT), Hiroyuki Ishii (former NTT), Hideaki Matsuzaki (NTT) OPE2018-104 LQE2018-114 SIPH2018-20
 [more] OPE2018-104 LQE2018-114 SIPH2018-20
SIS 2017-12-14
Tottori Tottori Prefectural Center for Lifelong Learning Measurement of Fatigue by using biological information
Takumi Fukunaga, Naoki Fujiwara, Satoru Kishida (Tottori Univ.) SIS2017-42
In this paper, we measured a circadian rhythm by using biological information, HR (Heart Rate) and flicker(F)-values. Fr... [more] SIS2017-42
LQE, LSJ 2017-05-26
Ishikawa   28-Gbit/s 80-km transmission with 1.3 μm wavelength SOA assisted extended reach EADFB laser (AXEL)
Takahiko Shindo, Wataru Kobayashi, Koichi Hasebe, Naoki Fujiwara, Toshihide Yoshimatsu, Shigeru Kanazawa, Tetsuichiro Ohno, Hiroaki Sanjoh, Yoshitaka Ohiso, Hiroyuki Ishii, Yoshiaki Sone, Hideaki Matsuzaki (NTT) LQE2017-17
 [more] LQE2017-17
LQE 2016-12-16
Tokyo Kikai-Shinko-Kaikan Bldg. Extension of transmission distance and enhancement of modulated output power with L-band wavelength SOA assisted extended reach EADFB laser (AXEL)
Takahiko Shindo, Wataru Kobayashi, Naoki Fujiwara, Yoshitaka Ohiso, Koichi Hasebe, Hiroyuki Ishii, Mikitaka Itoh (NTT) LQE2016-97
 [more] LQE2016-97
Tokyo Tamagawa University Measurement of mental Fatigue by using Flicker Values
Takumi Fukunaga, Naoki Fujiwara, Ryota Inoue, Akihiro Tanaka, Kentaro Kinoshita, Satoru Kishida (Tottori Univ.) NC2015-101
We suggest measurement system for fatigue, which consists of four units, namely units of fatigue generation, data collec... [more] NC2015-101
OPE, LQE, OCS 2015-10-30
Oita Beppu International Convention Center Reduction of power consumption and extended transmission distance of EADFB laser by integrating SOA short SOA
Wataru Kobayashi, Naoki Fujiwara, Koichi Hasebe, Shigeru Kanazawa, Hiroaki Sanjoh, Mikitaka Itoh (NTT) OCS2015-78 OPE2015-128 LQE2015-97
(Advance abstract in Japanese is available) [more] OCS2015-78 OPE2015-128 LQE2015-97
CPM, OPE, LQE, R, EMD 2015-08-28
Aomori Aomori-Bussankan-Asupamu Analysis of heat dissipation and evaluation of current reduction of 1.3 μm wavelength InGaAlAs BH laser
Takahiko Shindo, Wataru Kobayashi, Yoshihiro Ogiso, Naoki Fujiwara, Ryuzo Iga, Yoshitaka Ohiso, Hiroyuki Ishii (NTT) R2015-37 EMD2015-45 CPM2015-61 OPE2015-76 LQE2015-45
The 1.3 μm wavelength InGaAlAs directly modulated semiconductor laser is a promising candidate as a high-speed semicondu... [more] R2015-37 EMD2015-45 CPM2015-61 OPE2015-76 LQE2015-45
Tokyo Tamagawa University Correlation between voice signals and alcohol concentrations in blood
Masayuki Kawanoi, Naoki Fujiwara, Satoru Kishida (Tottori Univ.) NC2013-117
We investigated the correlation between voice signals and alcohol concentrations in blood with neural network systems fo... [more] NC2013-117
SIS 2013-12-12
Tottori Torigin Bunka Kaikan (Tottori) Correlation between voice signals and alcohol concentrations in blood
Masayuki Kawanoi, Naoki Fujiwara, Hiroki Yoshimura, Satoru Kishida (Tottori Univ.) SIS2013-37
We clarified the correlation between voice signals and alcohol concentrations in blood by using neural network systems f... [more] SIS2013-37
SANE 2013-01-25
Nagasaki Nagasaki Prefectural Art Museum GLS Flight Evaluation by B787 at KIX
Shinji Saitoh (ENRI), Seigo Fujita (Mitsubishi Electric), Sonosuke Fukushima, Yasuhiro Yama (ENRI), Takenobu Nagai, Naoki Fujiwara (ANA), Nobumichi Akagi, Hirohisa Takahama (JAL) SANE2012-148
Electronic Navigation Research Institute (ENRI) has been conducting research and development about Ground-Based Augmenta... [more] SANE2012-148
LQE, OPE, OCS 2010-10-29
Fukuoka Mojiko Retro Town, Minato house Large Bandwidth TO-CAN Module with LCP Based Transmission Line as serial 40-Gb/s 1.3/1.55-μm Light Source
Wataru Kobayashi, Ken Tsuzuki, Takashi Tadokoro, Takeshi Fujisawa, Naoki Fujiwara, Takayuki Yamanaka, Fumiyoshi Kano (NTT) OCS2010-81 OPE2010-117 LQE2010-90
We developed 40-Gb/s 1.3/1.55-μm TO-CAN modules based on an InGaAlAs electroabsorption modulator integrated with DFB las... [more] OCS2010-81 OPE2010-117 LQE2010-90
EMD, OPE, LQE, CPM 2010-08-27
Hokkaido Chitose Arcadia Plaza Incident-Power-Dependent Extinction Ratio of 1.3-um Electroabsorption Modulator Integrated with DFB laser: Theory and Experiment
Takeshi Fujisawa, Takayuki Yamanaka, Takashi Tadokoro, Naoki Fujiwara, Masakazu Arai, Wataru Kobayashi, Yoshihiro Kawaguchi, Ken Tsuzuki, Fumiyoshi Kano (NTT) EMD2010-61 CPM2010-77 OPE2010-86 LQE2010-59
We have found that the extinction ratio of an electroabsorption modulator integrated with DFB laser strongly depends on ... [more] EMD2010-61 CPM2010-77 OPE2010-86 LQE2010-59
OPE, EMT, LQE, PN, IEE-EMT 2010-01-28
Kyoto   40-km SMF transmission for 100-Gbit/s Ethernet system based on 25-Gbit/s 1.3-um electroabsorption modulator integrated with DFB laser
Takeshi Fujisawa, Masakazu Arai, Naoki Fujiwara, Wataru Kobayashi, Takashi Tadokoro, Ken Tsuzuki, Yuichi Akage, Ryuzo Iga, Takayuki Yamanaka, Fumiyoshi Kano (NTTPH Lab.) PN2009-45 OPE2009-183 LQE2009-165
We have developed 1.3-um electroabsorption modulator integrated with DFB laser for middle- and long-distance 100 Gbit/s ... [more] PN2009-45 OPE2009-183 LQE2009-165
LQE, OPE 2009-06-19
Tokyo Kikai-Shinko-Kaikan Bldg. Wide Temperature Range (-25 to 100C) Operation of a 10-Gb/s, 1.55-m Electroabsorption Modulator Integrated DFB Laser for 80-km SMF Transmission
Wataru Kobayashi, Masakazu Arai, Takayuki Yamanaka, Naoki Fujiwara, Takeshi Fujisawa, Ken Tsuzuki, Takashi Tadokoro, Fumiyoshi Kano (NTT Corp.) OPE2009-25 LQE2009-28
An extended operating temperature range of 125C (-25 to 100℃), was demonstrated at 10-Gb/s for a 1.55-μm InGaAlA... [more] OPE2009-25 LQE2009-28
OCS, LQE, OPE 2008-10-24
Fukuoka Kyushu Univ. Fast frequency sweep using SSG-DBR laser integrating thermal drift compensation mesa structure
Naoki Fujiwara, Hiroyuki Ishii, Yoshihiro Kawaguchi, Yasuhiro Kondo, Hiromi Oohashi, Fumiyoshi Kano (NTT Photonics Labs.) OCS2008-76 OPE2008-119 LQE2008-88
SSG-DBR-LD is attractive for various applications in, for example, WDM systems and medical OCT systems, because of its f... [more] OCS2008-76 OPE2008-119 LQE2008-88
LQE, OPE, OCS 2007-11-01
Fukuoka   High-speed, long-distance transmission using frequency-modulated SSG-DBR laser and optical filters
Takaaki Kakitsuka, Shinji Matsuo, Toru Segawa, Hiroyuki Suzuki, Naoki Fujiwara, Yasuo Shibata, Hiroshi Yasaka (NTT) OCS2007-40 OPE2007-95 LQE2007-81
The rapid development of the photonic network is driving demand for optical transmitters with high-speed modulation and ... [more] OCS2007-40 OPE2007-95 LQE2007-81
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