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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OPE, LQE, OCS | 2015-10-30 14:50 |
Oita | Beppu International Convention Center | Frequency measurement of sub-terahertz waves based on electro-optic sampling using Mach-Zehnder-modulator-based flat comb generator Isao Morohashi (NICT), Mayu Kirigaya, Yuta Kaneko, Ikufumi Katayama (YNU), Yoshihisa Irimajiri, Takahide Sakamoto, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT)  OCS2015-79 OPE2015-129 LQE2015-98 |
(Advance abstract in Japanese is available) [more] | OCS2015-79 OPE2015-129 LQE2015-98 pp.187-190 |
| ED | 2015-10-22 16:20 |
Aichi | Development Activity of Vacuum Electronics in THz Band Mitsuru Yoshida, Koji Okamoto, Norio Masuda, Junichi Matsuoka (NETS), Norihiko Sekine, Atsushi Kanno, Naokatsu Yamamoto, Iwao Hosako (NICT) ED2015-60 |
There is a region called "Terahertz Gap" between the highest frequency of microwave technology and the lowest frequency ... [more] | ED2015-60 pp.31-34 |
|
| LQE, OPE | 2015-06-19 13:50 |
Tokyo | THz radiation from GaP crystal pumped by chirp-controlled femtosecond pulses Junichi Hamazaki, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) OPE2015-14 LQE2015-24 |
To generate terahertz pulses via optical rectification effect， dechirped pulses are generally used as pump pulses． Howev... [more] | OPE2015-14 LQE2015-24 pp.21-24 |
|
| RCS, SR, SRW (Joint) |
2015-03-05 13:55 |
Tokyo | Tokyo Institute of Technology | [Invited Talk]
Research and development in Japan, Europe and USA, and the current state of standardization for realization of 100Gbit/s radio system Iwao Hosako (NICT) RCS2014-345 SR2014-133 SRW2014-56 |
[more] | RCS2014-345 SR2014-133 SRW2014-56 pp.263-265(RCS), pp.135-137(SR), pp.57-59(SRW) |
| 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] |
|
| EST, OPE, LQE, EMT, PN, MWP, IEE-EMT [detail] | 2015-01-30 14:40 |
Osaka | 300-GHz coherent signal transmission using high-gain antennas Atsushi Kanno, Toshiaki Kuri, Isao Morohashi, Iwao Hosako, Tetsuya Kawanishi (NICT), Yuki Yoshida, Ken-ichi Kitayama (Osaka Univ.) PN2014-58 OPE2014-183 LQE2014-170 EST2014-112 MWP2014-80 |
We report 300-GHz-band terahertz wave transmission using radio over fiber and digital coherent detection technologies wi... [more] | PN2014-58 OPE2014-183 LQE2014-170 EST2014-112 MWP2014-80 pp.209-212 |
|
| EST, OPE, LQE, EMT, PN, MWP, IEE-EMT [detail] | 2015-01-30 15:05 |
Osaka | Frequency measurements of terahertz waves using ultrashort optical pulses and photoconductive antennas Yuta Kaneko, Ikufumi Katayama (Yokohama Univ.), Isao Morohashi, Yoshihisa Irimajiri, Shingo Saito, Norihiko Sekine, Iwao Hosako (NICT), Masaaki Ashida (Osaka Univ.) PN2014-59 OPE2014-184 LQE2014-171 EST2014-113 MWP2014-81 |
In order to realize broadband absolute frequency detection at room temperature, we demonstrated terahertz electric field... [more] | PN2014-59 OPE2014-184 LQE2014-171 EST2014-113 MWP2014-81 pp.213-216 |
|
| OCS, CS (Joint) |
2015-01-22 13:10 |
Tokushima | Tokushima University | Experimental evaluation of frequency fluctuation on millimeter-wave fiber-wireless link for future wired and wireless seamless access network Atsushi Kanno, Pham Tien Dat, Toshiaki Kuri, Iwao Hosako, Tetsuya Kawanishi (NICT), Yuki Yoshida, Ken-ichi Kitayama (Osaka Univ.) OCS2014-93 |
Seamless connectivity between an optical fiber network and a radio network can be realized by a radio over fiber technol... [more] | OCS2014-93 pp.1-5 |
| ED | 2014-10-22 10:10 |
Hokkaido | Hokkaido Univ. (Faculty House Trillium) | [Invited Talk]
R&D trend of the terahertz technology
-- from non-destructive testing to wireless communications -- Iwao Hosako, Norihiko Sekine, Atsushi Kanno, Tetsuya Kawanishi, Akifumi Kasamatsu (NICT) ED2014-70 |
[more] | ED2014-70 pp.39-41 |
| ED | 2014-10-22 11:00 |
Hokkaido | Hokkaido Univ. (Faculty House Trillium) | Development Trend and Activity of Vacuum Electronics in THz Band Mitsuru Yoshida, Koji Okamoto, Norio Masuda, Junichi Matsuoka (NCS), Norihiko Sekine, Atsushi Kanno, Tetsuya Kawanishi, Iwao Hosako (NICT) ED2014-71 |
The terahertz wave radiation has been studied in astronomy, analytical science and limited field. The applicability in t... [more] | ED2014-71 pp.43-47 |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-23 14:55 |
Kyoto | Doshisha University | Ultrashort optical pulse generation and repetition rate tunability in MZM-based flat comb generator with soliton compression Yu Chiba (Yokohama National Univ.), Isao Morohashi, Takahide Sakamoto (NICT), Ikufumi Katayama (Yokohama National Univ.), Norihiko Sekine, Tetsuya Kawanishi, Iwao Hosako (NICT) PN2013-44 OPE2013-158 LQE2013-144 EST2013-93 MWP2013-64 |
We report on ultrashort optical pulses using a Mach-Zehnder-modulator-based flat comb generator(MZM-FCG) and dispersion-... [more] | PN2013-44 OPE2013-158 LQE2013-144 EST2013-93 MWP2013-64 pp.57-60 |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-24 09:00 |
Kyoto | Doshisha University | Observation of Terahertz Frequency Comb Signals Using a Subharmonic Mixer in the 600 GHz-Band Isao Morohashi (NICT), Ikufumi Katayama (Yokohama National Univ.), Yoshihisa Irimajiri (NICT), Masaya Nagai, Yu Chiba (Osaka Univ.), Masaaki Ashida, Norihiko Sekine, Iwao Hosako (NICT) PN2013-71 OPE2013-185 LQE2013-171 EST2013-120 MWP2013-91 |
We have demonstrated direct measurement of frequency comb signals in the terahertz-range (THz combs) using a heterodyne ... [more] | PN2013-71 OPE2013-185 LQE2013-171 EST2013-120 MWP2013-91 pp.227-230 |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-24 09:25 |
Kyoto | Doshisha University | Double-clad Yb-doped fiber amplifier system for high-power femtosecond pulse generation
-- Toward high-power broadband THz generation -- Housei Mogi (Tokyo Univ. of Agliculture and Tech.), Junichi Hamazaki, Norihiko Sekine (NICT), Satoshi Ashihara (Tokyo Univ. of Agliculture and Tech.), Iwao Hosako (NICT) PN2013-72 OPE2013-186 LQE2013-172 EST2013-121 MWP2013-92 |
To generate high-power broadband THz pulse, high-power femtosecond pulse excitation is required. To obtain such a pulse,... [more] | PN2013-72 OPE2013-186 LQE2013-172 EST2013-121 MWP2013-92 pp.231-234 |
| ED | 2013-12-16 17:50 |
Miyagi | Research Institute of Electrical Communication Tohoku University | Approaches to room-temperature operation of terahertz quantum cascade lasers Hiroaki Yasuda, Iwao Hosako (NICT) ED2013-100 |
[more] | ED2013-100 pp.57-62 |
| EST, MWP, OPE, MW, EMT, IEE-EMT [detail] | 2013-07-19 09:50 |
Hokkaido | Wakkanai Synthesis Cultural Center | Terahertz wave generation with high frequency accuracy using Mach-Zehnder-modulator-based flat comb generator Isao Morohashi, Yoshihisa Irimajiri, Takahide Sakamoto, Norihiko Sekine, Tetsuya Kawanishi, Motoaki Yasui, Iwao Hosako (NICT) MW2013-82 OPE2013-51 EST2013-46 MWP2013-41 |
[more] | MW2013-82 OPE2013-51 EST2013-46 MWP2013-41 pp.221-224 |
| OFT | 2013-05-23 15:15 |
Okinawa | 12.5GHz repetition rate, pico-second pulse generation in 1μm region by using Mach-Zehnder Modulator and its application Ryo Matsumoto, Ryuji Nishi (Aoyama Gakuin Univ.), Isao Morohashi, Naokatsu Yamamoto, Takahide Sakamoto, Atsushi Kanno, Tetsuya Kawanishi, Norihiko Sekine, Iwao Hosako (NICT), Hideyuki Sotobayashi (Aoyama Gakuin Univ./NICT) OFT2013-4 |
In the optical communication network, the wavebands in the C-band (1530~1565- nm) and the L-band (1565~1625- nm) have be... [more] | OFT2013-4 pp.15-18 |
|
| ED | 2012-12-17 16:45 |
Miyagi | Tohoku University | [Invited Talk]
Future prospects of wireless communications using carrier frequencies from 300 GHz to 1THz Tadao Nagatsuma (Osaka Univ.), Taiichi Otsuji (Tohoku Univ.), Katsuhiro Ajito (NTT), Iwao Hosako (NICT) ED2012-100 |
[more] | ED2012-100 pp.39-44 |
| ED | 2012-12-18 11:40 |
Miyagi | Tohoku University | High Frequency Performance of GaAsSb/InAlAs/InGaAs Tunnel Diodes Mikhail Patrashin, Norihiko Sekine, Akifumi Kasamatsu, Issei Watanabe, Iwao Hosako (NICT), Tsuyoshi Takahashi, Masaru Sato, Yasuhiro Nakasha, Naoki Hara (Fujitsu Lab.) ED2012-106 |
Increasing interest to high-resolution active and passive MMW-THz imaging and high-speed wireless data communications mo... [more] | ED2012-106 pp.75-76 |
| MWP, OPE, MW, EMT, EST, IEE-EMT [detail] | 2012-07-26 10:35 |
Hokkaido | Hokkaido Univ. | Amplification characterization of mode-locked Yb-doped fiber laser pulses toward high-intensity broadband THz pulse generation Junichi Hamazaki, Norihiko Sekine, Iwao Hosako (NICT) MW2012-37 OPE2012-30 EST2012-19 MWP2012-18 |
To generate broadband high-intensity THz pulse, high-intense ultra-short pump pulse system is required. To investigate s... [more] | MW2012-37 OPE2012-30 EST2012-19 MWP2012-18 pp.81-84 |
| MWP, OPE, MW, EMT, EST, IEE-EMT [detail] | 2012-07-26 11:00 |
Hokkaido | Hokkaido Univ. | Broadband comb generation using Mach-Zehnder-modulator-based flat comb generator with optical feedback loop Isao Morohashi, Takahide Sakamoto, Naokatsu Yamamoto, Yoh Ogawa, Tetsuya Kawanishi, Iwao Hosako (NICT) MW2012-38 OPE2012-31 EST2012-20 MWP2012-19 |
[more] | MW2012-38 OPE2012-31 EST2012-20 MWP2012-19 pp.85-88 |
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