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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 24  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OFT 2020-01-16
16:40
Aichi NINS Okazaki Conference Center Dispersion measurement of microcavities by using frequency reference signal transfer via optical fibre networks
Kentaro Furusawa, Isao Morohashi, Shigeo Nagano, Motohiro Kumagai, Norihiko Sekine, Akifumi Kasamatsu (NICT) OFT2019-49
High Q microcavities constitute promising platforms for generating optical Kerr combs in small footprints. To quantify t... [more] OFT2019-49
pp.15-19
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
MWP 2017-11-09
16:25
Tokyo Kikai-Shinko-Kaikan Bldg. Detection of Continuous Wave Terahertz Radiations Using Ultra-Compact Electro-Optic Probe
Isao Morohashi, Norihiko Sekine, Iwao Hosako (NICT) MWP2017-50
 [more] MWP2017-50
pp.27-30
MWP 2016-04-21
14:15
Tokyo Kikai-Shinko-Kaikan Bldg. Terahertz Wave Generation in the 3 THz Range Using Mach-Zehnder-Modulator-Based Flat Comb Generator
Isao Morohashi, Yoshihisa Irimajiri, Motohiro Kumagai, Akira Kawakami, Takahide Sakamoto, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) MWP2016-3
 [more] MWP2016-3
pp.9-12
LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] 2016-01-28
12:55
Hyogo   Performance Evaluation on Frequency Measurement of THz Waves Using MZM-Based Flat Comb Generator
Mayu Kirigaya (Yokohama National Univ.), Isao Morohashi (NICT), Yuta Kaneko, Ikufumi Katayama (Yokohama National Univ.), Yoshihisa Irimajiri, Takahide Sakamoto, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) PN2015-40 EMT2015-91 OPE2015-153 LQE2015-140 EST2015-97 MWP2015-66
 [more] PN2015-40 EMT2015-91 OPE2015-153 LQE2015-140 EST2015-97 MWP2015-66
pp.33-38
PEM
(2nd)
2015-11-27
- 2015-11-28
Kyoto Doshisha Univ. Electro-Optic Sampling Detection of CW-THz Signals Using MZM-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)
We proposed and demonstrated 100 GHz-band spectrum measurement based on electro-optic (EO) sampling using a Mach-Zehnder... [more]
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
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
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
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
PN, EMT, LQE, OPE, MWP, EST, IEE-EMT [detail] 2013-01-24
17:20
Osaka Osaka Univ. (Suita) [Invited Talk] Report on MWP2012
Yozo Shoji, Isao Morohashi (NICT), Shintaro Hisatake (Osaka Univ.), Atsushi Kanno (NICT) PN2012-49 OPE2012-158 LQE2012-150 EST2012-85 MWP2012-67
2012 International Topical Meeting on Microwave Photonics (MWP2012) was held from Sep.11 to Sep.14, 2012 at Space Resear... [more] PN2012-49 OPE2012-158 LQE2012-150 EST2012-85 MWP2012-67
pp.115-119
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
OPE, MW, MWP, EMT, EST, IEE-EMT [detail] 2011-07-21
15:15
Hokkaido   20-Gb/s W-band wireless transmission using radio-over-fiber technique
Atsushi Kanno, Keizo Inagaki, Isao Morohashi, Takahide Sakamoto, Toshiaki Kuri, Iwao Hosako, Tetsuya Kawanishi (NICT), Yuki Yoshida, Ken-ichi Kitayama (Osaka Univ.) MW2011-47 OPE2011-34 EST2011-33 MWP2011-15
 [more] MW2011-47 OPE2011-34 EST2011-33 MWP2011-15
pp.57-60
OPE, MW, MWP, EMT, EST, IEE-EMT [detail] 2011-07-22
16:05
Hokkaido   Picosecond pulse generation in the 1μm region by using optical comb generator
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.) MW2011-67 OPE2011-54 EST2011-53 MWP2011-35
Purpose of this experiment is generating picosecond pulse in the 1 micro-meter region where expected as a new wave lengt... [more] MW2011-67 OPE2011-54 EST2011-53 MWP2011-35
pp.163-166
OCS 2011-07-12
11:10
Osaka Osaka Univ. Nakanoshima Center 16 QAM Generation by Angular Superposition of Polarization Using Polarization-Multiplexing QPSK Modulator
Isao Morohashi, Takahide Sakamoto (NICT), Masaaki Sudo (SOC), Atsushi Kanno (NICT), Akito Chiba (Shizuoka Univ.), Junichiro Ichikawa (SOC), Iwao Hosako, Tetsuya Kawanishi (NICT) OCS2011-37
(Advance abstract in Japanese is available) [more] OCS2011-37
pp.63-66
ED 2010-12-17
15:15
Miyagi Tohoku University (Research Institute of Electrical Communication) Generation of Millimeter-Wave-Band Beat Signal Using Mach-Zehnder-Modulator-Based Flat Comb Generator
Isao Morohashi, Takahide Sakamoto (NICT), Hideyuki Sotobayashi (Aoyama-Gakuin Univ.), Tetsuya Kawanishi, Iwao Hosako (NICT) ED2010-173
We report on millimeter wave generation using Mach-Zehnder-modulator-based flat comb generator. An optical comb signal g... [more] ED2010-173
pp.83-86
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