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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 23件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
PN 2019-04-26
13:25
Tokyo The University of Electro-Communication, Build E-3, Hall 301 Extending transmission distance using optical fractional OFDM
Yu Yamasaki, Tomotaka Nagashima (Osaka Univ.), Gabriella Cincotti (Univ. Roma), Satoshi Shimizu, Hiroyuki Uenohara (NICT), Hiroyuki Uenohara (Tokyo Institute of Technology), Tsuyoshi Konishi (Osaka Univ.)
Optical fractional OFDM can reduce peak-to-average power ratio (PAPR) which is an issue in optical OFDM. Because of this... [more] PN2019-2
pp.7-12
PN, EMT, OPE, EST, MWP, LQE, IEE-EMT [detail] 2019-01-18
14:20
Osaka Osaka University Nakanoshima Center Spectral efficiency evaluation in optical fractional OFDM
Yu Yamasaki, Tomotaka Nagashima (Osaka Univ.), Gabriella Cincotti (Univ. Roma Tre), Satoshi Shimizu, Wada Naoya (NICT), Hiroyuki Uenohara (TIT), Tsuyoshi Konishi (Osaka Univ.)
Optical fractional OFDM based on fractional Fourier Transform can reduce peak-to-average power ratio (PAPR) which is an ... [more] PN2018-81 EMT2018-115 OPE2018-190 LQE2018-200 EST2018-128 MWP2018-99
pp.271-275
OPE 2017-12-07
11:15
Okinawa   Investigation of Performance Improvement of a Si Photonic Optical OFDM Demultiplexer with Phase Monitors
Tomohiro Naganuma, Kohei Simosawa, Kohei Morita, Hiroyuki Uenohara (Tokyo Tech)
In recent years, optical OFDM, which is based on OFDM conventionally used for wireless communication, has been studied t... [more] OPE2017-93
pp.19-24
PN 2017-03-07
09:30
Okinawa Ohama Nobumoto Memorial Hall (Okinawa) Experimental connectivity test of all-optical analog to digital conversion and multilevel signal in all-optical fractional OFDM receiver
Tomotaka Nagashima (Osaka Univ.), Gabriella Cincotti (Univ. Rome Tre), Takuya Murakawa (Osaka Univ.), Satoshi Shimizu (NICT), Makoto Hasegawa (Osaka Univ.), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Tech), Tsuyoshi Konishi (Osaka Univ.)
We experimentally verified a connectivity of all-optical analog to digital conversion and multilevel signal in all- opti... [more] PN2016-100
pp.93-98
OPE 2016-12-09
11:05
Okinawa   Analytical and Experimental Investigation of a 2-stage Cascaded Silicon Photonic polarization beam splitter based on Mach Zehnder Delay Interferometers
Kohei Morita, Hiroyuki Uenohara (Tokyo Tech)
 [more] OPE2016-110
pp.33-38
OPE 2016-12-09
11:30
Okinawa   Experimental investigation for performance improvement of a Si photonic optical serial-to-parallel converter with variable-ratio optical coupler
Keigo Aramaki, Hiroyuki Uenohara (Tokyo Tech)
 [more] OPE2016-111
pp.39-44
LQE, OPE, OCS 2016-10-28
14:00
Miyazaki Miyazaki Citizen's Plaza Experimental Demonstration of All-Optical FEC Coding Scheme with Convolutional Code Consisting of HNLF-based XOR Gates and Wavelength Converters
Yohei Aikawa, Hiroyuki Uenohara (Tokyo Inst. of Tech.)
In this paper, we experimentally demonstrated an all-optical FEC coding scheme with convolutional code for the realizati... [more] OCS2016-53 OPE2016-94 LQE2016-69
pp.103-108
LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] 2016-01-29
09:25
Hyogo   Experimental demonstration of low cost all-optical fractional OFDM transmission using arrayed waveguide grating
Tomotaka Nagashima (Osaka Univ.), Gabriella Cincotti (Univ. Rome Tre), Takuya Murakawa (Osaka Univ.), Satoshi Shimizu (NICT), Makoto Hasegawa (Osaka Univ.), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Ins. of Tec.), Tyuyoshi Konishi (Osaka Univ.)
 [more] PN2015-76 EMT2015-127 OPE2015-189 LQE2015-176 EST2015-133 MWP2015-102
pp.249-256
OPE 2015-12-10
15:15
Ishikawa Shiinoki Cultural Complex Analytical Investigation of Performance Improvement of a Si Photonic Optical Serial-to-Parallel Converter with Phase Operation
Keigo Aramaki, Hiroyuki Uenohara (Tokyo tech.)
 [more] OPE2015-139
pp.1-4
OPE, OME 2015-11-27
10:45
Kagawa Sunport-hall Takamatsu Preliminary Results of Interleaving Technology for All-Optical Analog-to-Digital Converter using Soliton Self-Frequency Shift
Hiroyuki Uenohara (Tokyo Tech), Makoto Hasegawa, Tsuyoshi Konishi (Osaka Univ.)
All-optical analog-to-digital conversion technique becomes important to achieve high effective number of bits as well as... [more] OME2015-71 OPE2015-137
pp.37-42
PN 2015-03-18
14:50
Okinawa   [Encouragement Talk] Suppression Effect of Peak-to-average-ratio for multi-level modulation in Optical OFDM based on Fractional Fourier Transform
Tomotaka Nagashima, Takuya Murakawa, Makoto Hasegawa (Osaka Univ.), Satoshi Shimizu (NICT), Gabriella Cincotti (Univ. Rome), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Institute of Technology), Tsuyoshi Konishi (Osaka Univ.)
Nonlinear optical effects are unavoidable issues for next generation of optical networks and multi-carriers of current o... [more] PN2014-88
pp.63-68
PN 2014-09-04
14:00
Hokkaido   Suppression Effect of Peak-to-average-ratio in Optical OFDM based on Fractional Fourier Transform
Tomotaka Nagashima, Takuya Murakawa, Makoto Hasegawa (Osaka Univ.), Satoshi Shimizu (NICT), Gabriella Cincotti (Univ. Roma Tre), Kunihiro Hattori, Masayuki Okuno, Shinji Mino, Akira Himeno (NEL), Naoya Wada (NICT), Hiroyuki Uenohara (Tokyo Inst. of Tech.), Tsuyoshi Konishi (Osaka Univ.)
Nonlinear optical effects are unavoidable issues for next generation of optical networks and multi-carriers of current o... [more] PN2014-12
pp.7-11
OPE, LQE, OCS 2012-10-25
17:25
Miyazaki   Analytical Investigation of a Semiconductor Phase Sensitive Optical Amplifier using Dual Pump Lights
Kohei Saito, Hiroyuki Uenohara (Tokyo Tech.)
In recent years, internet traffic is increasing every year, and therefore higher transmission capacity system is require... [more] OCS2012-58 OPE2012-109 LQE2012-75
pp.87-92
OPE, LQE, OCS 2012-10-26
09:50
Miyazaki   Investigation of Operation Performance of a Semiconductor-Integrated SOA-MZI-Type All-Optical Flip-Flop Circuit with a Feedback Loop
Yusuke Naito, Satoshi Shimizu, Tomoyuki Kato, Kohroh Kobayashi, Hiroyuki Uenohara (Tokyo Tech)
 [more] OCS2012-61 OPE2012-112 LQE2012-78
pp.103-108
OCS, LQE, OPE 2011-10-27
13:05
Kochi Kochi University of Technology Investigation of High-Density Opto-Electronic Interface Circuit for On-Board and Inter-Board Bidirectional Communication
Shinichi Tsutsui, Hiroyuki Uenohara (Tokyo Tech)
We have investigated the opto-electronic interface circuit for on-board/inter-board high-density optical interconnection... [more] OCS2011-63 OPE2011-101 LQE2011-64
pp.49-54
OCS, LQE, OPE 2011-10-27
16:30
Kochi Kochi University of Technology Investigation of Operation Conditions for a Passively mode-Locked VCSEL with a Concave Mirror
Hiroshi Takanashi, Tomoyuki Kato, Kohroh Kobayashi, Hiroyuki Uenohara (Tokyo Tech)
A mode-locked VCSEL structure with double-path resonance configuration using an external concave mirror is a promising c... [more] OCS2011-71 OPE2011-109 LQE2011-72
pp.93-98
OCS, LQE, OPE 2011-10-28
08:30
Kochi Kochi University of Technology Analytical Investigation of Regeneration Performance of an All-optical T-type Flop-Flop Circuit using SOA-MZIs
Satoshi Shimizu, Hiroyuki Uenohara (Tokyo Tech)
We have investigated the operation possibility of an all-optical T-type flip-flop circuit (T-FF) for achieving the all-o... [more] OCS2011-78 OPE2011-116 LQE2011-79
pp.123-126
OPE, LQE, OCS 2009-10-22
18:20
Fukuoka   Investigation of Improvement of Wavelength Switching Performance using a SOA-DISC-Type Wavelength Converter with MZDI Phase Offset and BPF Detuning
Masatoshi Namiki, Takayoshi Mori, Hiroyuki Uenohara, Kohroh Kobayashi (Tokyo Inst. of Tech.)
Nowadays the Internet traffic is increasing rapidly, and much attention has been paid to optical packet switches due to ... [more] OCS2009-61 OPE2009-127 LQE2009-86
pp.103-106
LQE, OPE 2009-06-19
10:55
Tokyo Kikai-Shinko-Kaikan Bldg. A Study on the Optical Serial-to-Parallel Converter with Phase Operation
Go Yazawa, Satoshi Shimizu, Hiroyuki Uenohara (Tokyo Inst. of Tech.)
Much attention has been paid to the researches of optical packet switching and optical label processing because these ar... [more] OPE2009-20 LQE2009-23
pp.25-30
OCS, LQE, OPE 2008-10-24
13:40
Fukuoka Kyushu Univ. Investigation of Carrier Plasma Effect and Thermal Drift of a SSG-DBR-LD in Wavelength Switching
Takayoshi Mori, Hiroyuki Uenohara, Kohroh Kobayashi (Tokyo Tech)
Much attention has been paid to the research of an optical packet switch because it is expected to handle huge amount of... [more] OCS2008-75 OPE2008-118 LQE2008-87
pp.143-148
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