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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 8 of 8  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
R, LQE, OPE, CPM, EMD 2020-08-28
Online Online [Invited Talk] InP-based Waveguide Photodetectors for IMDD/Coherent Transmission Applications
Yoshihiro Yoneda, Takuya Okimoto (SEI), Ken Ashizawa, Koji Ebihara, Satoru Okamoto, Kazuhiko Horino (SEDI), Hideki Yagi, Mitsuru Ekawa (SEI) R2020-13 EMD2020-12 CPM2020-5 OPE2020-25 LQE2020-5
Optical receivers for 400 Gb/s and beyond optical communication systems have been required modulation speeds higher than... [more] R2020-13 EMD2020-12 CPM2020-5 OPE2020-25 LQE2020-5
WIT, IPSJ-AAC 2019-03-08
Ibaraki Tsukuba University of Technology A Study on Navigation System for Visually Impairment Person based on Egocentric Vision using Deep Learning
Takuya Okita, Hiroki Kojima (OIT), Sho Ooi (Ritsumeikan Univ.), Mutsuo Sano (OIT) WIT2018-69
There are 310 thousand the visually impaired person in Japan. They use usually a white cane or a guide dog while walking... [more] WIT2018-69
LQE, OPE, SIPH 2018-12-06
Tokyo Keio University [Encouragement Talk] Wide bandwidth and high responsivity of InP-based waveguide photodiodes for over 400 Gbps coherent transmission systems
Takuya Okimoto (SEDI), Hideki Yagi (SEI), Ryuji Masuyama, Kenji Sakurai, Yoshifumi Nishimoto, Kazuhiko Horino, Takayuki Watanabe (SEDI), Mitsuru Ekawa (SEI), Yoshihiro Yoneda (SEDI) OPE2018-97 LQE2018-107 SIPH2018-13
For high speed coherent transmission system over 400 Gbps, photodetectors for coherent receivers with both the wide band... [more] OPE2018-97 LQE2018-107 SIPH2018-13
LQE 2018-07-12
Hokkaido   [Invited Talk] What will be a compelling technology for beyond-400 Gbps systems; Devices vs. Packaging -- Progress of InP-based Coherent Receivers and Future Prospect of Photonic Integrated Circuits --
Hideki Yagi, Naoko Inoue (SEI), Takuya Okimoto (SEDI), Takehiko Kikuchi (SEI) LQE2018-27
Currently, digital coherent transmission using spectrally-efficient modulation formats has been widely applied to not on... [more] LQE2018-27
R, EMD, CPM, LQE, OPE 2017-09-01
Aomori   Wide Bandwidth and High Responsivity Operation of InP-based Photodetector Monolithically Integrated with 90° Hybrid to Realize Over 400 Gbps Coherent Transmission Systems
Takuya Okimoto (SEDI), Hideki Yagi (SEI), Ryuji Masuyama, Kenji Sakurai, Yoshifumi Nishimoto, Kazuhiko Horino, Takayuki Watanabe (SEDI), Mitsuru Ekawa (SEI), Yoshihiro Yoneda (SEDI) R2017-40 EMD2017-34 CPM2017-55 OPE2017-64 LQE2017-37
In order to realize over 400 Gbps coherent transmission systems, wide bandwidth and high responsivity operation of integ... [more] R2017-40 EMD2017-34 CPM2017-55 OPE2017-64 LQE2017-37
Tokyo Kikai-Shinko-Kaikan Bldg. Statistical Integrative Analysis of MicroRNA and Gene
Takuya Oki, Yutaka Fukuoka (Kogakuin Univ.), Tomohiro Umezu, Junko Ohyashiki (Tokyo Med Univ.) MBE2016-101
A microRNA (miRNA), which is a non-cording RNA, regulates genes, and recently its role in cancer attracts attention. The... [more] MBE2016-101
LQE, OPE, EMD, R, CPM 2016-08-26
Hokkaido   Small Responsivity Imbalance of InP-Based Photodetector Monolithically Integrated with 90°Hybrid for Compact Coherent Receivers
Hideki Yagi (SEI), Takuya Okimoto, Ryuji Masuyama, Kenji Sakurai, Yoshifumi Nishimoto (Sumitomo Electric Device Innovations), Takehiko Kikuchi (SEI), Kazuhiko Horino, Takayuki Watanabe (Sumitomo Electric Device Innovations), Mitsuru Ekawa, Masaru Takechi (SEI), Yoshihiro Yoneda (Sumitomo Electric Device Innovations) R2016-40 EMD2016-44 CPM2016-53 OPE2016-74 LQE2016-49
Since compact and low power dissipation coherent transceivers for metro-networks involve a miniaturization and low costs... [more] R2016-40 EMD2016-44 CPM2016-53 OPE2016-74 LQE2016-49
LQE 2013-12-13
Tokyo   Design of Capsule-Shaped Cavity for Nanometallic Semiconductor Lasers
Baifu Zhang, Takuya Okimoto, Takuo Tanemura, Yoshiaki Nakano (Univ. of Tokyo) LQE2013-125
We propose a novel subwavelength metallic InP/InGaAs laser with a capsule-shaped cavity. By introducing curved metallic ... [more] LQE2013-125
 Results 1 - 8 of 8  /   
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