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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| UWT (2nd) |
2024-01-29 14:15 |
Tokyo | Tokai University Shinagawa Campus (Primary: On-site, Secondary: Online) |
Shallow-Water Experimental Evaluation of Differential OFDM Software MODEMs for Underwater Acoustic Communications Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura, Hiroshi Kubo (Ritsumeikan Univ.) |
It is well-known that underwater acoustic communications (UWACs) play an important role in underwater mobile communicati... [more] | |
| MW, EMCJ, EST, IEE-EMC [detail] | 2023-10-20 15:50 |
Yamagata | Yamagata University (Primary: On-site, Secondary: Online) |
Transformation of circuit equations expressed by convolutional integrals with retarded electromagnetic coupling into neutral-type delayed differential equations Shuya Ehara, Takasi Hisakado, Mahfuzul Islam (Kyoto Univ)  EMCJ2023-69 MW2023-123 EST2023-96 |
In this paper, as an extension of conventional concentrated constant circuits, circuit equations are derived by consider... [more] | EMCJ2023-69 MW2023-123 EST2023-96 pp.176-181 |
| OFT, OCS, LSJ (Joint) [detail] |
2023-08-24 14:50 |
Hokkaido | (Primary: On-site, Secondary: Online) |
A study on differential modal delay control by cabling parameter of high-density cable Masashi Kikuchi, Takayoshi Mori, Yusuke Yamada (NTT) OFT2023-9 |
Space Division Multiplexing optical fiber including few-mode fiber is promising technology for expanding transmission ca... [more] | OFT2023-9 pp.1-6 |
| OFT | 2023-05-11 15:25 |
Iwate | Aiina(Iwate) (Primary: On-site, Secondary: Online) |
A study on loss characteristics of 3-mode dual-step index pure silica core fiber. Taro Iwaya, Yuto Sagae, Takayoshi Mori, Taiji Sakamoto, Takashi Matsui (NTT), Takanori Sato, Kunimasa Saitoh (Hokudai), Kazuhide Nakajima (NTT) OFT2023-3 |
Toward lowering loss and differential mode delay (DMD) of 3-mode fiber, feasibility of pure silica core with dual-step i... [more] | OFT2023-3 pp.10-13 |
| SR, UWT (Joint) |
2023-01-26 15:50 |
Tokyo | Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
Differential OFDM Software MODEMs for Underwater Acoustic Communications Taichi Fujita, Kouichi Hashimoto, Hiroshi Kubo (Ritsumeikan Univ.) |
It is well-known that underwater acoustic communications (UWACs) play an important role in underwater mobile communicati... [more] | |
| MSS, CAS, SIP, VLD | 2019-07-31 10:00 |
Iwate | Iwate Univ. | Time Domain Analysis of Equivalent Circuit Model with Retardation by Delayed Differential Equations Daisuke Akimaru, Takashi Hisakado, Mahfuzul Islam, Osami Wada (Kyoto Univ.) CAS2019-13 VLD2019-19 SIP2019-29 MSS2019-13 |
In this paper, we formulate a circuit model of time domain including propagation delay of electromagnetic field. First,... [more] |
CAS2019-13 VLD2019-19 SIP2019-29 MSS2019-13 pp.55-60 |
| OFT | 2019-05-16 14:00 |
Osaka | Ｉ-site NANBA | [Poster Presentation]
Measurement of spectral transfer matrix for DMD analysis by using linear optical sampling Yuki Osaka (Shimane Univ.), Fumihiko Ito, Daisuke Iida, Tetsuya Manabe (NTT) OFT2019-7 |
Mode-by-mode impulse responses, or spectral transfer matrix (STM) of birefringent fibers are measured by using linear op... [more] | OFT2019-7 pp.29-32 |
| OPE, OCS, LQE | 2018-05-11 16:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg (Tokyo) | [Special Invited Talk]
DMD-Unmanaged Long-Haul SDM Transmission Over 2500-km 12-core x 3-mode MC-FMF and 6300-km 3-mode FMF Employing Intermodal Interference Cancelling Technique Kohki Shibahara, Takayuki Mizuno, Doohwan Lee, Yutaka Miyamoto, Hirotaka Ono, Kazuhide Nakajima (NTT), Shota Saitoh, Katsuhiro Takenaga (Fujikura), Kunimasa Saitoh (Hokkaido Univ.) OCS2018-7 OPE2018-7 LQE2018-7 |
This talk provides an overview of advanced space division multiplexing (SDM) technologies that we have developed over th... [more] | OCS2018-7 OPE2018-7 LQE2018-7 pp.25-27 |
| EMCJ, MICT (Joint) |
2018-03-16 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Evaluation of Differential Skew Depending on Rotation Angle in Printed Circuit Board with Meshed Ground Plane Chenyu Wang, Kengo Iokibe, Yoshitaka Toyota (Okayama Univ.) EMCJ2017-109 |
In general, the rotation angle between the differential transmission lines and the meshed ground of a flexible printed c... [more] | EMCJ2017-109 pp.25-30 |
| OFT | 2016-10-13 16:50 |
Iwate | MALIOS (Morioka City) | Analysis of wavelength-dependent modal group-delay characteristics of coupled 3-core optical fibers Kishi, Naoto, Tamura, Hiroki, Nakayama, Keisuke (UEC) OFT2016-21 |
Coupled-modes for symmetrically distributed 3-core fibers are numerically analyzed by using point-matching method with ... [more] |
OFT2016-21 pp.21-24 |
| OCS, OFT, LSJ (Joint) [detail] |
2016-08-26 10:20 |
Hokkaido | Chitose-alcadia plaza | Evaluation for Wavelength Dependence of DMD in a 10-Mode Fiber with Low-Coherence Interferometry Yuta Wakayama, Daiki Soma (KDDI R&D Labs.), Koji Igarashi (Osaka Univ.), Hidenori Taga, Takehiro Tsuritani (KDDI R&D Labs.) OCS2016-32 |
In a mode-division multiplexing (MDM) transmission system, transmission performance considerably depends on differential... [more] | OCS2016-32 pp.39-42 |
| OFT, OCS, OPE (Joint) [detail] |
2016-02-18 13:30 |
Okinawa | Okinawa Univ. | Measurement of Mode Field Diameter in a Few-Mode Fiber with Low-Coherence Digital Holography Yuta Wakayama, Hidenori Taga, Takehiro Tsuritani (KDDI R&D Lab.) OCS2015-102 OPE2015-222 |
Mismatching of mode field diameter (MFD) between input/output devices for few-mode fibers (FMFs) causes mode-dependent l... [more] | OCS2015-102 OPE2015-222 pp.13-16(OCS), pp.39-42(OPE) |
| OFT, OCS (Joint) |
2015-08-28 15:40 |
Hokkaido | DMD Measurement of Weakly-Coupled Few-Mode Fiber Using Low-Coherence Digital Holography Yuta Wakayama, Hidenori Taga, Takehiro Tsuritani (KDDI R&D Labs.) OCS2015-40 |
In a mode division multiplexed transmission system, differential mode delay (DMD) in a transmission line roles as a key ... [more] | OCS2015-40 pp.53-57 |
|
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-16 14:30 |
Hokkaido | Kushiro City Lifelong Learning Center | Design of multi-step index few-mode fiber based on sensitivity analysis Jin Nishimoto, Yasuhide Tsuji (Muroran Inst Tech) EMT2015-27 MW2015-65 OPE2015-39 EST2015-31 MWP2015-30 |
In this paper, we study on the optimization method of few-mode fibers (FMFs) with multi-step index profile to reduce the... [more] | EMT2015-27 MW2015-65 OPE2015-39 EST2015-31 MWP2015-30 pp.105-109 |
| OPE, OCS, OFT (Joint) [detail] |
2015-02-19 17:25 |
Kagoshima | A Theoretical Analysis of DMD reducton for step-index FMF using index differential term of the wave-equation Naofumi Kitsunezaki (AGU) OCS2014-111 OPE2014-217 |
In a step-indexed few mode fiber using $LP_{11}$ modes, there exists differential modal delay between different $LP_{01}... [more] | OCS2014-111 OPE2014-217 pp.47-52(OCS), pp.81-86(OPE) |
|
| OCS, OFT (Joint) |
2014-08-29 15:15 |
Hokkaido | Kushiro Royal Inn | Design of low DMD few-mode fibers supporting large number of modes for mode-division-multiplexed transmission Takayoshi Mori, Taiji Sakamoto, Masaki Wada, Takashi Yamamoto, Fumihiko Yamamoto (NTT) OFT2014-22 |
Mode-division multiplexing (MDM) transmission is considered a promising technology for dealing with the capacity crunch ... [more] | OFT2014-22 pp.31-36 |
| OCS | 2013-07-26 14:10 |
Tokyo | Sumida-Sangyo-Kaikan | [Invited Talk]
Few-mode fibers with large number of modes and low differential mode group delay for mode-division-multiplexed transmission Takayoshi Mori, Taiji Sakamoto, Masaki Wada, Takashi Yamamoto, Fumihiko Yamamoto (NTT) OCS2013-32 |
A new approach for realizing a much higher transmission capacity has recently been developed that utilizes the higher-or... [more] | OCS2013-32 pp.75-80 |
| SIP, CAS, MSS, VLD | 2013-07-11 13:50 |
Kumamoto | Kumamoto Univ. | [Invited Talk]
Stabilization of hybrid dynamical systems involving saddle-type equilibrium points
-- Intermittent control in human biped standing/walking and androgen suppression therapy for prostate cancer -- Taishin Nomura (Osaka Univ.) CAS2013-11 VLD2013-21 SIP2013-41 MSS2013-11 |
Mathematical modeling of mechanical dynamics during human upright standing and of population dynamics in prostate cancer... [more] | CAS2013-11 VLD2013-21 SIP2013-41 MSS2013-11 pp.59-62 |
| OFT | 2012-05-24 14:50 |
Gifu | Hida, Earth Wisdom Center | A Study on Design of Few-Mode Fibers for Mode-Division Multiplexing Transmission Motoki Kasahara, Kunimasa Saitoh (Hokkaido Univ.), Taiji Sakamoto, Nobutomo Hanzawa, Takashi Matsui (NTT), Masanori Koshiba (Hokkaido Univ.), Shigeru Tomita (NTT) OFT2012-3 |
Since the data traffic continues to increase with 40~70 % per year, large transmission capacity will be highly required ... [more] | OFT2012-3 pp.9-14 |
| EMCJ, ITE-BCT | 2011-03-11 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on Negative Group Delay Characteristics of F-SIR Structure Driven by Differential-Mode Ryosuke Yanagisawa, Yoshiki Kayano, Hiroshi Inoue (Akita Univ) EMCJ2010-122 |
Negative group delay characteristics can be used to signal processing devices such as equalizer for compensation of the ... [more] | EMCJ2010-122 pp.21-26 |
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