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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 36  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS, CS
(Joint)
2024-01-12
09:55
Kagoshima   Fully coherent optical and wireless transmission in the 28 GHz band by using an injection-locked carrier frequency converter
Koichi Shirahata, Keisuke Kasai, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.), Uichiro Azuma, Toshiyuki Kobayashi (Nihon Dengyo Kosaku) OCS2023-63
As an optical mobile fronthaul with low latency and low power consumption, we have proposed a fully coherent optical and... [more] OCS2023-63
pp.31-36
OFT, OCS, LSJ
(Joint) [detail]
2023-08-25
09:55
Hokkaido  
(Primary: On-site, Secondary: Online)
Continuous time-domain measurement method of Rayleigh backscattered light
Shiro Ryu (Meiji Univ.) OFT2023-13
We have proposed a method that enables continuous measurement of backscattered light from a specific point of an optical... [more] OFT2023-13
pp.21-26
ITE-BCT, OCS, IEE-CMN, OFT 2022-11-11
10:10
Miyagi Forest-Sendai
(Primary: On-site, Secondary: Online)
Observation of Rayleigh scattering by simplified optical correlation-domain reflectometry
Tomoya Miyamae, Guangtao Zhu, Takaki Kiyozumi (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech/YNU), Yosuke Mizuno (YNU) OFT2022-39
Recent rapid growth of optical fiber communication has led to a significant demand for health monitoring technology of o... [more] OFT2022-39
pp.11-14
ITE-BCT, OCS, IEE-CMN, OFT 2022-11-11
13:50
Miyagi Forest-Sendai
(Primary: On-site, Secondary: Online)
A Numerical Study on Hilbert Transform Used in Direct-Detection Coherent Reception Using Kramers-Kronig Relation -- Comparison between Frequency Domain and Time Domain Realization --
Ryo Tamura (Tokyo Univ. of Science), Kariyawasam Amila (Kyushu Univ.), Joji Maeda (Tokyo Univ. of Science) OCS2022-46
As a candidate for high capacity optical links for data center interconnect, direct-detection self coherent heterodyne r... [more] OCS2022-46
pp.36-40
OFT 2022-10-13
10:50
Kanagawa Kanagawa-Kenmin Center
(Primary: On-site, Secondary: Online)
[Poster Presentation] Operation of BOCDR using low-cost light source
Kouta Ozaki, Seiga Ochi (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) OFT2022-27
Distributed optical fiber sensors for strain and temperature have been attracting considerable attention because of thei... [more] OFT2022-27
pp.36-38
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-19
14:55
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
Frequency stabilization of THz sources by electro-optic detection using modulator-based optical comb sources
Isao Morohashi, Tadashi Kishimoto, Norihiko Sekine, Iwao Hosako (NICT) EMT2022-26 MW2022-50 OPE2022-29 EST2022-27 MWPTHz2022-24
In this paper, we report on frequency stabilization of continuous terahertz (THz) sources by electro-optic (EO) detectio... [more] EMT2022-26 MW2022-50 OPE2022-29 EST2022-27 MWPTHz2022-24
pp.91-94
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-19
15:20
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
Optical Heterodyne Measurement of Terahertz-wave
Shin'ichiro Hayashi (NICT), Seigo Ohno (Tohoku Univ.), Katsuhiko Miyamoto (Chiba Univ.), Yoshiharu Urata (PHULUXi Inc.), Norihiko Sekine (NICT) EMT2022-27 MW2022-51 OPE2022-30 EST2022-28 MWPTHz2022-25
Here we report the optical heterodyne measurement of terahertz wave using parametric wavelength conversion in a nonlinea... [more] EMT2022-27 MW2022-51 OPE2022-30 EST2022-28 MWPTHz2022-25
pp.95-98
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-20
11:40
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
Development of Coherent Optical Receiver Integrated with Spatial Tracking Sensor
Hitomi Ono, Tomohiro Akiyama, Eisuke Haraguchi, Toshiyuki Ando (MELCO) EMT2022-43 MW2022-67 OPE2022-46 EST2022-44 MWPTHz2022-41
The optical satellite communication system with high-speed, small size and low power consumption is required because of ... [more] EMT2022-43 MW2022-67 OPE2022-46 EST2022-44 MWPTHz2022-41
pp.174-177
OCS, CS
(Joint)
2022-01-13
15:55
Yamaguchi Conference room 204A・B at KDDI Ishin-hall
(Primary: On-site, Secondary: Online)
Performance comparison of injection-locked carrier frequency conversion and self-heterodyne detection methods in coherently-linked optical and wireless transmission
Taisei Sato, Koichi Shirahata, Keisuke Kasai, Toshihiko Hirooka, Masato Yoshida, Masataka Nakazawa (Tohoku Univ.) OCS2021-34
We have demonstrated a coherently-linked 64 Gbit/s, 256 QAM transmission in the 61 GHz IF band over a 10 km single-mode ... [more] OCS2021-34
pp.7-10
OFT, OCS, IEE-CMN, ITE-BCT [detail] 2021-11-19
10:50
Online Online Super-simplified optical correlation-domain reflectometry
Takaki Kiyozumi, Tomoya Miyamae (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) OFT2021-53
Optical fiber reflectometry has been widely studied as a method for diagnosing the soundness of fiber networks. Of numer... [more] OFT2021-53
pp.13-16
OFT 2021-10-14
10:30
Online Online [Poster Presentation] World-fastest operation of OCDR without spatial resolution deterioration
Tomoya Miyamae, Zhu Guangtao, Takaki Kiyozumi (YNU), Kohei Noda (Tokyo Tech/YNU), Heeyoung Lee (SIT), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU) OFT2021-23
Recent rapid growth of optical fiber communication has led to a significant demand for health monitoring technology of o... [more] OFT2021-23
pp.9-12
OFT 2020-10-09
09:15
Online Online Measurement of Spatial Distribution of Fiber Birefringence by Coherent Heterodyne Detection of Rayleigth Backscattered Light
Nanako Takei, Shiro Ryu (Meiji Univ.) OFT2020-25
Since the coherent technology uses the phase information of light, it can be applied to various optical measurement tech... [more] OFT2020-25
pp.62-67
OFT 2020-10-09
09:40
Online Online Theoretical Study of Fiber Brillouin Scattering Using FDTD Method
Shiori Nozawa, Shiro Ryu (Meiji Univ.) OFT2020-26
Brillouin scattering is known as a nonlinear phenomenon that occurs in an optical fiber. So far, we have measured the a... [more] OFT2020-26
pp.68-73
IE, CS, IPSJ-AVM, ITE-BCT [detail] 2019-12-06
11:35
Iwate Aiina Center [Invited Lecture] Optical Video Transmission Technique using FM conversion
Toshiaki Shitaba, Tomoaki Yoshida, Jun Terada (NTT) CS2019-84 IE2019-64
Broadcast-type optical video transmission method that transmit multi-channel video signals such as terrestrial digital s... [more] CS2019-84 IE2019-64
pp.97-101
PN, EMT, OPE, EST, MWP, LQE, IEE-EMT [detail] 2019-01-18
12:05
Osaka Osaka University Nakanoshima Center Geneation of Coherent Terahertz Carriers in the 3 THz Range Using Optical-Comb-Based THz Source for Terahertz Communications
Isao Morohashi, Yoshihisa Irimajiri, Atsushi Kanno, Akira Kawakami, Naokatsu Yamamoto, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) PN2018-60 EMT2018-94 OPE2018-169 LQE2018-179 EST2018-107 MWP2018-78
We proposed a terahertz (THz) communication system operating in the 3 THz range using an optical-comb-based THz source a... [more] PN2018-60 EMT2018-94 OPE2018-169 LQE2018-179 EST2018-107 MWP2018-78
pp.167-170
QIT
(2nd)
2017-11-16
13:50
Saitama Saitama University [Poster Presentation] Coherent control of optical phonons in diamond using a pair of femtosecond pulses
Yasuaki Okano (IMS), Hiroya Sasaki, Riho Tanaka, Fujio Minami, Yosuke Kayanuma (Tokyo Tech), Yutaka Shikano (UTokyo), Kazutaka G Nakamura (Tokyo Tech)
We demonstrated coherent control of the 40-THz optical phonons in a single crystal diamond using a pair of 8-fs pulses a... [more]
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
EMT, MW, OPE, MWP, EST, IEE-EMT [detail] 2015-07-16
10:10
Hokkaido Kushiro City Lifelong Learning Center Preliminary study on phase control for the stability improvement of CBC system
Eisuke Haraguchi, Toshiyuki Ando (MitsubishiElectric Corp.) EMT2015-9 MW2015-47 OPE2015-21 EST2015-13 MWP2015-12
We have been involved in the development of a CBC (Coherent Beam Combine) for high energy laser. It is needed the CBC s... [more] EMT2015-9 MW2015-47 OPE2015-21 EST2015-13 MWP2015-12
pp.5-10
PEM
(2nd)
2015-02-12
- 2015-02-13
Tokushima Hotel Senshukaku Electric field sensing with a wide band Electro-Optic effect probe
Yoshihiro Imajo, Koji Uematsu, Hiroshi Noguchi (Stack Electronics), Isao Morohashi, Norihiko Sekine, Iwao Hosako (NICT)
It is expected that electric field probe using EO crystal as a sensor has a extremely wideband frequency response.
We ... [more]

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