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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OPE, OFT, OCS (Joint) [detail] |
2022-02-25 13:05 |
Online | Online | Group delay spread reduction using coupled multicore fibers with twist and bend Kazushi Homma, Takanori Sato, Takeshi Fujisawa (Hokkaido Uni.), Yuto Sagae, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Uni.)  OCS2021-49 OFT2021-79 OPE2021-64 |
We investigate mode coupling characteristics in coupled multicore fibers with twist and bend for reducing the group dela... [more] | OCS2021-49 OFT2021-79 OPE2021-64 pp.40-45(OCS), pp.49-54(OFT), pp.78-83(OPE) |
| OFT | 2021-10-14 10:30 |
Online | Online | [Poster Presentation]
Attempt to optimize delay fiber length in BOCDR Mana Sakamoto, Haruki Sasage (SIT), Kohei Noda (Tokyo Tech/YNU), Kentaro Nakamura (Tokyo Tech), Yosuke Mizuno (YNU), Heeyoung Lee (SIT) OFT2021-26 |
Brillouin optical correlation-domain reflectometry (BOCDR) is known as a distributed strain and temperature sensing tech... [more] | OFT2021-26 pp.19-22 |
| OPE, LQE | 2020-11-20 15:30 |
Online | Online | The relationship between group index and group delay spread in coupled multicore fibers under macrobending condition Yuki Yasui, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh (Hokkaido Univ.) OPE2020-60 LQE2020-40 |
We reveal the relationship between group index and group delay spread (GDS) in coupled multicore fibers for space divisi... [more] | OPE2020-60 LQE2020-40 pp.75-79 |
| OPE, LQE | 2020-11-20 15:30 |
Online | Online | Suppression of bending loss in coupled few-mode multicore fibers with outer trench layer Kenta Nishimura, Takeshi Fujisawa, Takanori Sato (Hokkaido Univ.), Taiji Sakamoto, Takashi Matsui, Yuto Sagae, Kazuhide Nakajima (NTT), Kunimasa Saitoh (Hokkaido Univ.) OPE2020-62 LQE2020-42 |
We propose a coupled few-mode multicore fiber with outer trench layer for suppressing both the group delay spread (GDS) ... [more] | OPE2020-62 LQE2020-42 pp.86-91 |
| OFT | 2020-10-08 09:10 |
Online | Online | OFT2020-10 |
Optical delay line is important for all optical signal processing to control signal timing. In this paper, optical varia... [more] | OFT2020-10 pp.4-7 |
| OCS, ITE-BCT, OFT, IEE-CMN [detail] | 2019-11-22 10:20 |
Yamaguchi | Kaikyo-Messe-Shimonoseki | Distortion-free optical variable delay line using four-wave mixing and path differences Mizuki Kobayashi, Naoto Kishi (UEC) OFT2019-41 |
Optical variable delay line is necessary in signal timing controller for all optical signals processing. In this paper, ... [more] | OFT2019-41 pp.29-32 |
| 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 |
| OFT | 2019-01-17 14:10 |
Kagoshima | Tanegashima space center, Nishinoomote Civic Hall | A study of Group Delay Measurement Method by Using Brillouin Scattering Yuto Sagae, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima (NTT) OFT2018-63 |
Low latency transmissions are enthusiastically needed in today’s optical network. Especially in long distance transmissi... [more] | OFT2018-63 pp.9-13 |
| 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 |
| OPE, MW, EMT, MWP, EST, IEE-EMT [detail] | 2016-07-21 10:25 |
Hokkaido | [Invited Talk]
Power-Over-Fiber Using Double-Clad Fibers for Radio-Over-Fiber Systems Motoharu Matsuura (Univ. of Electro-Commun.) EMT2016-7 MW2016-38 OPE2016-19 EST2016-8 MWP2016-9 |
This paper presents a power-over-fiber using double-clad fibers for optically powered remote antenna units in radio-over... [more] | EMT2016-7 MW2016-38 OPE2016-19 EST2016-8 MWP2016-9 pp.7-12 |
|
| 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 | 2015-12-11 14:50 |
Tokyo | The University of Electro-Communications (Tokyo) | Wavelength dependence of stress-induced time of flight variations in fibers by using the newly proposed measurement method. Takuya Kawashima (Shibaura Inst. of Tech.), Norio Kasahima, Tsuneo Horiguchi (Shibaura Inst. of Tech.) OFT2015-49 |
We have been studied parallel transmission systems using fiber-ribbons for a purpose of ultra-high-speed network in futu... [more] | OFT2015-49 pp.17-21 |
| 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 |
| RCS, SR, SRW (Joint) |
2015-03-05 09:55 |
Tokyo | Tokyo Institute of Technology | Novel Coexistence Scheme between WLAN and RoF-based WLAN Kaito Funabiki, Takayuki Nishio, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.), Daisuke Murayama, Takatoshi Sugiyama (NTT) SRW2014-50 |
To facilitate management of a wireless local area network (WLAN) system, the WLAN system with radio-over-fiber (RoF) is ... [more] | SRW2014-50 pp.19-24 |
| 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 |
| IN, NV (Joint) |
2014-07-17 13:50 |
Hokkaido | Hokkaido Univ. | A study of Datagram protocol with reliability and efficiency Takuya Suzuki (NTT Comeare), Toshihiko Ogihara (NTT Communications) IN2014-36 |
There is a possibility to change from usage of public networks in autonomous control to usage of dedicated networks in c... [more] | IN2014-36 pp.37-42 |
| 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 |
| 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 |
| OFT | 2011-10-20 13:25 |
Nagano | Structural study II of hole assisted fibers considering optical parallel transmission Norio Kashima (Shibaura- IT) OFT2011-32 |
Hole-assisted fibers (HAFs) in a fiber ribbon have been studied for high-speed parallel transmission systems. We invest... [more] | OFT2011-32 pp.7-10 |
|
| CPM, OPE, LQE, EMD | 2011-08-26 11:15 |
Hokkaido | Hokkaido Univ. | Autonomous First-In-First-Out Optical Buffer with Function of Storing Multiple Packets in Each of Fiber Delay Lines Hiroki Kishikawa, Hirotaka Umegae (Univ. of Tokushima), Jiro Oda, Yoshitomo Shiramizu (Toyohashi Univ. of Tech.), Nobuo Goto, Shin-ichiro Yanagiya (Univ. of Tokushima) EMD2011-50 CPM2011-94 OPE2011-85 LQE2011-48 |
An autonomous first-in-first-out buffering system is proposed. The buffer system consists of feedback-looped parallel fi... [more] | EMD2011-50 CPM2011-94 OPE2011-85 LQE2011-48 pp.97-102 |
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