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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MWP, PN, EMT, PEM, IEE-EMT [detail] | 2020-01-31 12:10 |
Kyoto | Dosisha Univ. | Estimation of non-linearity in photodetectors for wide-band signals Yuichiro Ito, Yuta Maeda, Yuki Shimamura (Waseda U), Keizo Inagaki (NICT), Kunihisa Jitsuno, Tetsuya Kawanishi (Waseda U)  PN2019-51 EMT2019-91 MWP2019-65 |
[more] | PN2019-51 EMT2019-91 MWP2019-65 pp.103-106 |
| PEM (Workshop) |
2019-11-18 - 2019-11-19 |
Mie | Sinfonia Technology Hibiki Hall Ise (Ise Tourism and Culture Hall) | Short-Focus Lens Design for Terahertz Ray Keita Miyazawa (Waseda Univ.), Atsushi Kanno, Shingo Saito, Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) |
Polyethylene and polypropylene, which have high transmittance in the terahertz band, are commonly used for terahertz len... [more] | |
| MWP | 2019-05-22 16:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Preliminary Experimental Study on a Two-Frequency Secondary-Radar System to Detect Pedestrians beyond Blind Corners Keizo Inagaki (NICT), Motoki Shirai, Tetsuya Miura, Kunihisa Jitsuno, Tetsuya Kawanishi (Waseda Univ.) MWP2019-5 |
Authors are studying on a two-frequency secondary radar system to prevent traffic accidents between pedestrians and vehi... [more] | MWP2019-5 pp.19-22 |
| OCS, CS (Joint) |
2019-01-17 12:50 |
Okinawa | Nobumoto Ohama Memorial Hall (Ishigaki Island) | Handover-Free Communications for High-Speed Trains Using Ultrafast WDM Fiber-Wireless Backhaul System in W Band Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, Naokatsu Yamamoto (NICT), Tetsuya Kawanishi (Waseda Univ.) OCS2018-69 |
(Advance abstract in Japanese is available) [more] | OCS2018-69 pp.7-12 |
| MWP (2nd) |
2018-08-06 | Shimane | Shimane Prefectural Convention Center (Matsue City) | Achromatic Lens Design for Terahertz Ray Keita Miyazawa (Waseda Univ.), Keizo Inagaki, Atsushi Kanno (NICT), Tetsuya kawanishi (Waseda Univ.) |
Terahertz technology has been studied as a method for non-destructive imaging with high resolution. We designed lens dev... [more] | |
| MWP (2nd) |
2018-08-06 | Shimane | Shimane Prefectural Convention Center (Matsue City) | Parallel Mach-Zehnder Modulator Characterization Method using Simultaneous Transcendental Equations Hugo S. C. Freire (Waseda Univ.), Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) |
Parallel Mach-Zehnder optical modulators have imperfections that affect the generation of high-order modulation signals.... [more] | |
| MWP (2nd) |
2018-08-06 | Shimane | Shimane Prefectural Convention Center (Matsue City) | Laser linewidth measurement using optical two-tone Jun Mochizuki (Waseda Univ.), Keizo Inagaki, Atsushi Kanno (NICT), Tetsuya Kawanishi (Waseda Univ.) |
We investigated a measurement method of laser linewidth. Self-delayed heterodyne interference is available as a method f... [more] | |
| MWP (2nd) |
2018-08-06 | Shimane | Shimane Prefectural Convention Center (Matsue City) | [Poster Presentation]
Study on interference between RAUs of linear cell radar Kei Akama (Waseda Univ.), Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) |
This paper reports a study on interference between remote access units (RAUs) of linear cell radar in Airport. Linear ce... [more] | |
| LQE | 2018-07-13 13:55 |
Hokkaido | Vector modulation using electro-absorption modulator integrated laser diode Keizo Inagaki (NICT), Praimezt Mekbungwan, Ukrit Mankong (Chiang Mai Univ.), Tetsuya Kawanishi (Waseda Univ.) LQE2018-34 |
[more] | LQE2018-34 pp.55-59 |
|
| AP | 2018-02-16 10:55 |
Tokyo | Kozo Keikaku Engineering, Inc. | [Invited Lecture]
Penetration Loss Measurement at 300 GHz Hirokazu Sawada, Kentaro Ishizu, Fumihide Kojima, Keizo Inagaki, Hiroyo Ogawa, Katsumi Fujii, Akifumi Kasamatsu, Iwao Hosako (NICT) AP2017-181 |
[more] | AP2017-181 pp.31-35 |
| MWP, OPE, EMT, MW, EST, IEE-EMT [detail] | 2017-07-21 09:25 |
Hokkaido | Obihiro Chamber of Commerce and Industry | Frequency Response Measurement of Third Order Intercept Point of Photo Receiver by Optical Two-tone Method Akihiro Uno, Keizo Inagaki, Tetsuya Kawanishi (Waseda Univ.) EMT2017-28 MW2017-53 OPE2017-33 EST2017-30 MWP2017-30 |
The nonlinearity of photo receiver would have large impact on optical communication systems, as they become complicated.... [more] | EMT2017-28 MW2017-53 OPE2017-33 EST2017-30 MWP2017-30 pp.117-121 |
| MWP, OPE, EMT, MW, EST, IEE-EMT [detail] | 2017-07-21 13:55 |
Hokkaido | Obihiro Chamber of Commerce and Industry | Frequency Response of Differential Mode O/E Conversion and Common Mode Rejection Ratio in Coherent Receivers Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.), Atsushi Kanno, Naokatsu Yamamoto (NICT) EMT2017-38 MW2017-63 OPE2017-43 EST2017-40 MWP2017-40 |
A typical coherent receiver consists of two 90-degree optical hybrid mixers, four sets of balanced photo-detectors (PDs)... [more] | EMT2017-38 MW2017-63 OPE2017-43 EST2017-40 MWP2017-40 pp.183-188 |
| MWP | 2017-05-11 15:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Interference Reduction by Frequency Chirp Speed Difference of FM-CW Linear Cell Radar Kei Akama (Waseda Univ.), Keizo Inagaki (NICT), Kunihisa Jitsuno (Waseda Univ.), Atsushi Kanno (NICT), Tetsuya Kawanishi (Waseda Univ.) MWP2017-5 |
Linear cell radar systems can monitor large areas by using of many radar-units where interference between them would imp... [more] | MWP2017-5 pp.25-29 |
| OPE, MW, EMT, MWP, EST, IEE-EMT [detail] | 2016-07-21 14:20 |
Hokkaido | Frequency response of differential mode O/E conversion and common mode rejection ratio in coherent receivers Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.), Atsushi Kanno, Naokatsu Yamamoto (NICT) EMT2016-12 MW2016-43 OPE2016-24 EST2016-13 MWP2016-14 |
A typical coherent receiver consists of two 90-degree optical hybrid mixers, four sets of balanced photo-detectors (PDs)... [more] | EMT2016-12 MW2016-43 OPE2016-24 EST2016-13 MWP2016-14 pp.37-42 |
|
| CPM, OPE, LQE, R, EMD | 2015-08-28 15:15 |
Aomori | Aomori-Bussankan-Asupamu | Uncertainty Evaluation of PD Frequency Response Measurement Using Optical Modulator Keizo Inagaki (NICT), Tetsuya Kawanishi (Waseda Univ.) R2015-47 EMD2015-55 CPM2015-71 OPE2015-86 LQE2015-55 |
[more] | R2015-47 EMD2015-55 CPM2015-71 OPE2015-86 LQE2015-55 pp.119-124 |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-23 09:50 |
Kyoto | Doshisha University | Uncertainty Budget Calculation of PD Frequency Response Measurement Using Optical Modulator Keizo Inagaki, Tetsuya Kawanishi (NICT), Michitaka Ameya, Satoru Kurokawa (AIST), Hidenori Iwai, Yoichi Oikawa (Trimatiz), Junichiro Ichikawa (SOC) PN2013-36 OPE2013-150 LQE2013-136 EST2013-85 MWP2013-56 |
We propose a measurement method of frequency response of PDs, which use Mach Zehnder optical intensity modulator. In th... [more] | PN2013-36 OPE2013-150 LQE2013-136 EST2013-85 MWP2013-56 pp.11-16 |
| MWP | 2013-11-29 16:05 |
Tokyo | Railway Technical Research Institute | InAs quantum dot two-mode laser at 1.55 μm-band for 90GHz radio over fiber applications Kouichi Akahane, Naokatsu Yamamoto, Toshimasa Umezawa, Atsushi Kanno, Keizo Inagaki, Tetsuya Kawanishi (NICT) MWP2013-52 |
[more] | MWP2013-52 pp.29-32 |
| LQE, LSJ | 2013-05-17 14:40 |
Ishikawa | Two-mode lasing of wavelength tunable quantum dot laser Kouichi Akahane, Naokatsu Yamamoto, Atsushi Kanno, Keizo Inagaki, Toshimasa Umezawa, Tetsuya Kawanishi (NICT), Takashi Endo, Yasunori Tomomatsu, Toshio Yamanoi (Koshin Kogaku) LQE2013-11 |
A two-wavelength emission laser can be used to generate millimeter and terahertz waves by irradiating high speed photodi... [more] | LQE2013-11 pp.49-52 |
|
| MWP | 2012-11-08 16:00 |
Kyoto | Kyoto Institute of Technology | A Chirp Measurement Method for Integrated Parallel Mach-Zehnder-Modulators Pham Tien Dat, Atsushi Kanno, Keizo Inagaki, Tetsuya Kawanishi (NICT) MWP2012-49 |
In this paper, we propose a method to measure total chirp of parallel MZMs without necessity to measure chirp of sub-MZM... [more] | MWP2012-49 pp.17-21 |
| MWP, OPE, MW, EMT, EST, IEE-EMT [detail] | 2012-07-26 13:40 |
Hokkaido | Hokkaido Univ. | Experimental Study on Optical Injection Locking by Two-tone Lightwaves Keizo Inagaki, Tetsuya Kawanishi (NICT) MW2012-42 OPE2012-35 EST2012-24 MWP2012-23 |
[more] | MW2012-42 OPE2012-35 EST2012-24 MWP2012-23 pp.105-108 |
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