Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EMT, PN, MWPTHz, IEE-EMT [detail] |
2024-01-23 12:50 |
Kyoto |
Kyoto Univ. Yoshida Campus |
Multiple-Parallel Interference Optical Modulators Based on Multi-Branched MMI Optical Couplers Shotaro Yasumori, Keita Morimoto, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Shinya Nakajima, Kouichi Akahane (NICT) PN2023-61 EMT2023-101 MWPTHz2023-89 |
Multiple-parallel interference optical modulators, where multiple phase-modulated lightwaves are directly interfered wit... [more] |
PN2023-61 EMT2023-101 MWPTHz2023-89 pp.74-77 |
RISING (3rd) |
2023-10-31 14:00 |
Hokkaido |
Kaderu 2・7 (Sapporo) |
[Poster Presentation]
Digital Signal Processing Based on Neural Networks
-- The Key Technology for Realizing High-capacity Optical Fiber Communication Systems -- Takuro Ochiai, Reiji Higuchi, Takuma Kuno (Nagoya Univ.), Ryuta Shiraki (Kyoto Univ.), Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) |
To fulfil the ever-increasing traffic demands, the introduction of quadrature amplitude modulation and coherent detectio... [more] |
|
MW, AP (Joint) |
2023-09-28 13:00 |
Kochi |
Kochi Castle Museum of History (Primary: On-site, Secondary: Online) |
[Invited Talk]
Spatial mode conversion and mode distribution measurement of light wave with orbital angular momentum Hirokazu Kobayashi (Kochi Univ. of Tech.) MW2023-82 |
In this study, we introduce spatial mode conversion and mode distribution measurement method for optical vortex beams ha... [more] |
MW2023-82 pp.11-14 |
EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] |
2023-07-21 14:15 |
Hokkaido |
Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
Signal Processing Technique Using Antenna-Coupled Electrode Electro-Optic Phase Modulator and Optical Fiber Dispersion Effect Naoki Ueda, Yui Otagaki, Hiroshi Murata (Mie Univ.) EMT2023-45 MW2023-63 OPE2023-45 EST2023-45 MWPTHz2023-41 |
Future Beyond-5G wireless systems will require the development of new signal processing technologies to support even hig... [more] |
EMT2023-45 MW2023-63 OPE2023-45 EST2023-45 MWPTHz2023-41 pp.183-186 |
ED, MWPTHz |
2022-12-20 13:40 |
Miyagi |
|
Optical and RF signal phase measurement using Mach-Zehnder modulators based on optical spectrum analysis Huang Qingchuan (Waseda Univ), Keizou Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ) ED2022-84 MWPTHz2022-55 |
Wide applications of massive MIMO antenna system require well adjustments of phase difference between sub antenna units.... [more] |
ED2022-84 MWPTHz2022-55 pp.62-66 |
OPE, OCS, LQE |
2022-10-20 15:45 |
Ehime |
(Primary: On-site, Secondary: Online) |
Theoretical and Experimental Investigation of Frequency Chirp Induced by Inter-Arm Imbalance in Mach-Zehnder Silicon Optical Modulators Tadashi Murao, Jun Ushida, Hiroyuki Takahashi, Masatoshi Tokushima, Akemi Shiina, Tsuyoshi Horikawa (PETRA) OCS2022-22 OPE2022-68 LQE2022-31 |
Characteristic variations caused by nonuniformities in the fabrication process are inevitable in carrier-depletion Mach–... [more] |
OCS2022-22 OPE2022-68 LQE2022-31 pp.28-33 |
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 15:45 |
Hokkaido |
Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
Fundamental Characteristic Measurements of Electroabsorption Modulator Integrated Laser Diode for Vector Modulation Yuki Seto (Waseda Univ.), Keizo Ingaki (NICT), Tetsuya Kawanishi (Waseda Univ.) EMT2022-28 MW2022-52 OPE2022-31 EST2022-29 MWPTHz2022-26 |
We measured the fundamental characteristics of an EA modulator integrated laser diode for vector modulation of light. Di... [more] |
EMT2022-28 MW2022-52 OPE2022-31 EST2022-29 MWPTHz2022-26 pp.99-102 |
PN, MWP, EMT, PEM, IEE-EMT [detail] |
2022-01-28 16:10 |
Online |
Online |
Microwave/millimeter-wave signal control using high-speed optical modulator and optical fiber dispersion effect Kenta Takaba, Hiroshi Murata (Mie Univ.) PN2021-49 EMT2021-65 MWP2021-54 |
Recently, the demands for millimeter-wave wireless technologies are increasing owing to the development of the 5th gener... [more] |
PN2021-49 EMT2021-65 MWP2021-54 pp.91-94 |
MWP |
2021-11-26 15:20 |
Online |
Online |
[Invited Talk]
Antenna-Coupled Electrode Electro-Optic Modulators for Beyond 5G Mobile Communication Systems and Millimeter-Wave Radars Hiroshi Murata (Mie Univ.) MWP2021-33 |
An antenna-coupled electrode electro-optic (EO) modulator is promising for the applications to 5G/beyond-5G mobile commu... [more] |
MWP2021-33 pp.17-21 |
PN, NS, OCS (Joint) |
2021-06-24 14:00 |
Online |
Online |
[Invited Talk]
Mode multiplier of photonic orbital angular momentum via spatial light modulator Hirokazu Kobayashi, Katsushi Iwashita (Kochi Univ. Tech.) NS2021-26 OCS2021-2 PN2021-8 |
The objective of our research is to realize integer multiplier for the light orbital angular momentum (OAM) with high ef... [more] |
NS2021-26 OCS2021-2 PN2021-8 pp.9-13(NS), pp.9-13(OCS), pp.27-31(PN) |
OPE, OCS, OFT (Joint) [detail] |
2021-02-19 13:00 |
Online |
Online |
[Invited Talk]
Displacement measurement based on fiber optic system Yosuke Tanaka (Tokyo Univ. of Agir. and Tech.) OFT2020-68 OPE2020-89 |
The optical systems including optical interferometers and intensity correlators play an important role in optical measur... [more] |
OFT2020-68 OPE2020-89 pp.58-61(OFT), pp.63-66(OPE) |
OFT, ITE-BCT, OCS, IEE-CMN [detail] |
2020-11-12 16:50 |
Online |
Online |
Multi-Channel Simultaneous Encryption in WDM Systems of PSK Y-00 Quantum Stream Cipher Ken Tanizawa, Fumio Futami (Tamagawa Univ.) OCS2020-26 |
Tapping from an optical fiber link is a potential security risk in optical communication systems. Physical layer encrypt... [more] |
OCS2020-26 pp.15-20 |
RISING (2nd) |
2019-11-26 10:30 |
Tokyo |
Fukutake Learning Theater, Hongo Campus, Univ. Tokyo |
[Poster Presentation]
Application of Machine Learning to Optical Eigenvalue Communication Ken Mishina, Shohei Yamamoto (Osaka Univ.), Yuki Yoshida (NICT), Daisuke Hisano, Akihiro Maruta (Osaka Univ.) |
Development and innovations of transmission technology that will increase the transmission capacity of optical communica... [more] |
|
LQE, LSJ |
2019-05-30 14:05 |
Shiga |
|
Simulation of plasmonic optical phased array using electro-optic polymer Yuji Kuwamura, Kyosuke Hibata, Takafumi Ogawa (Kanazawa Univ.) LQE2019-10 |
We have proposed a plasmonic optical phased array in which plasmonic phase modulators using electro-optic polymers are a... [more] |
LQE2019-10 pp.1-4 |
OFT, OCS, OPE (Joint) [detail] |
2019-02-14 13:15 |
Fukuoka |
|
On high-speed imaging using optical phased array and multimode fiber Taichiro Fukui, Yoshiaki Nakano, Takuo Tanemura (Univ. of Tokyo) OCS2018-80 OFT2018-70 OPE2018-192 |
Multimode fiber is grabbing much attention as a promising candidate for in vivo imaging such as fluorescence imaging due... [more] |
OCS2018-80 OFT2018-70 OPE2018-192 pp.1-6 |
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 |
PN, EMT, OPE, EST, MWP, LQE, IEE-EMT [detail] |
2019-01-18 12:05 |
Osaka |
Osaka University Nakanoshima Center |
An RF Parameter Measurement Scheme Utilizing Optical Phase Modulation via Electro-Optic Effect Sunaga Yusuke, Akito Chiba, Kazumasa Takada (Gunma Univ.) PN2018-71 EMT2018-105 OPE2018-180 LQE2018-190 EST2018-118 MWP2018-89 |
Recently, RF signals are applied in communication and ranging, so that parameter measurement of RF signal also very sign... [more] |
PN2018-71 EMT2018-105 OPE2018-180 LQE2018-190 EST2018-118 MWP2018-89 pp.219-223 |
LQE, OPE, SIPH |
2018-12-06 17:10 |
Tokyo |
Keio University |
2D imaging using silicon optical phased array with random pattern illumination Yusuke Kohno, Kento Komatsu, Rui Tang, Yasuyuki Ozeki, Yoshiaki Nakano, Takuo Tanemura (UTokyo) OPE2018-114 LQE2018-124 SIPH2018-30 |
We experimentally demonstrate 2D ghost imaging (GI) with compact optical phased array (OPA) chip for LIDAR and bio-imagi... [more] |
OPE2018-114 LQE2018-124 SIPH2018-30 pp.83-88 |
LQE |
2018-07-13 10:40 |
Hokkaido |
|
[Invited Talk]
Perspective of optical modulator using Si hybrid MOS phase shifter Mitsuru Takenaka, Shinichi Takagi (Univ. Tokyo) LQE2018-31 |
We have proposed a Si hybrid MOS structure where a thin III-V semiconductor membrane is bonded on a Si waveguide with a ... [more] |
LQE2018-31 pp.43-46 |