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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OFT | 2022-10-13 10:50 |
Kanagawa | Kanagawa-Kenmin Center (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Bandwidth-by-band Measurement of Spatial-Mode Dispersion of Coupled 2-Core and 4-Core Fibers employing Linear Optical Sampling Shuki Okamura, Masafumi Uyama, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Tatsuya Okamoto, Yusuke Koshikiya (NTT)  OFT2022-30 |
The impulse responses of coupled 2-core and 4-core fibers with various fiber lengths were measured over a wide bandwidth... [more] | OFT2022-30 pp.47-52 |
| OFT | 2022-05-13 14:00 |
Aomori | Aomori-Aspm Bldg (Primary: On-site, Secondary: Online) |
Measurement of Spatial-Mode Dispersion of Coupled 2-Core Fiber employing Linear Optical Sampling Masafumi Uyama, Shuki Okamura, Chao Zhang, Fumihiko Ito (Shimane Univ.), Atsushi Nakamura, Tatsuya Okamoto, Yusuke Koshikiya (NTT) OFT2022-3 |
The spatial mode dispersion of two types of coupled multicore fibers, one with a homogeneous core and the other with a h... [more] | OFT2022-3 pp.11-15 |
| OPE, OFT, OCS (Joint) [detail] |
2022-02-25 13:30 |
Online | Online | Measuring Jones matrices representing mode couplings in few mode fibers Ryotaro Fukunaga, Koji Igarashi (Osaka Univ.) OCS2021-50 OPE2021-65 |
The mode dispersion in few-mode fibers (FMFs) determines the transmission performance of the mode multiplexed systems. I... [more] | OCS2021-50 OPE2021-65 pp.46-50(OCS), pp.84-88(OPE) |
| OFT, OCS, IEE-CMN, ITE-BCT [detail] | 2021-11-19 10:00 |
Online | Online | Relationship between Polarization Mode Dispersion and Impulse Response Spread in Dual-polarization/Mode-multiplexed Coherent Transmission Systems Eidai Sunamoto, Ryotaro Fukunaga, Koji Igarashi (Osaka Univ.) OFT2021-51 |
In coherent optical fiber transmission systems with dual-polarization multiplexing and/or mode multiplexing, efficient d... [more] | OFT2021-51 pp.1-6 |
| OFT | 2020-10-08 10:00 |
Online | Online | OFT2020-13 |
The use of multimode optical fibers is important to spread optical communications. In this report, NRZ-DPSK signals were... [more] | OFT2020-13 pp.17-20 |
| PN | 2019-03-14 16:50 |
Okinawa | Miyako Island Hirara Port Terminal Bldg. | [Invited Talk]
Research and development on optical fibers for next-generation large-capacity transmission Yuki Kawaguchi, Yoshiaki Tamura, Hirotaka Sakuma, Tetsuya Hayashi, Takemi Hasegawa (SEI) PN2018-88 |
We will review research and development on optical fibers for large-capacity transmission. We achieved record-low loss o... [more] | PN2018-88 pp.33-36 |
| 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 |
| OFT, OCS, IEE-CMN, ITE-BCT [detail] | 2017-11-24 09:30 |
Osaka | Kansa-Univ. Umeda Campus | Distributed Spatial Mode Dispersion Measurement along Strongly Coupled Multicore Fiber Using Rayleigh Backscattering Interference Pattern Shingo Ohno, Kunihiro Toge, Daisuke Iida, Tetsuya Manabe (NTT) OFT2017-48 |
Strongly coupled multicore fiber (SC-MCF) has been proposed for realizing spatial division multiplexing transmission. In... [more] | OFT2017-48 pp.23-28 |
| OFT | 2017-10-13 10:30 |
Kochi | Kochi Prefectural Culture Hall | Effects of Core Count/Layout and Twisting Condition on Spatial Mode Dispersion in Coupled Multi-Core Fibers Tetsuya Hayashi (Sumitomo Electric), Haoshuo Chen, Nicolas K. Fontaine (Nokia), Takuji Nagashima (Sumitomo Electric), Roland Ryf, Rene-Jean Essiambre (Nokia), Toshiki Taru (Sumitomo Electric) OFT2017-44 |
We review the dependence of the spatial-mode dispersion (SMD) of coupled-core fibers on core count/layout and twisting c... [more] | OFT2017-44 pp.27-30 |
| OFT, OCS, OPE (Joint) [detail] |
2016-02-18 09:55 |
Okinawa | Okinawa Univ. | Experimental investigation of DPSK receiver by using Faraday rotating mirror and Michelson interferometer Kouhei Shimazaki, Naoto Kishi (UEC) OFT2015-57 OPE2015-217 |
In a conventional DPSK receiver system, stable detection is difficult. Due to polarization fluctuation by birefringence ... [more] | OFT2015-57 OPE2015-217 pp.11-16 |
| SIP, RCS | 2013-01-31 15:10 |
Hiroshima | Viewport-Kure-Hotel (Kure) | SNR analysis of polarization multiplexed optical OFDM in the presence of PMD and PDL Shinji Ogasawara, Kazunori Hayashi, Megumi Kaneko, Hideaki Sakai (Kyoto Univ.), Jun’ichi Abe, Wakako Maeda, Daisaku Ogasahara (NEC) SIP2012-87 RCS2012-244 |
In this study, we reveal some properties of Polarization Mode Dispersion (PMD), which is one of the major causes of line... [more] | SIP2012-87 RCS2012-244 pp.37-42 |
| OPE, LQE, OCS | 2012-10-26 13:30 |
Miyazaki | Field evaluation of PDL penalty of 100 Gb/s PDM-QPSK signals using installed fiber with a large DGD Ayako Iwaki, Takeshi Kawai, Yohei Sakamaki, Shuto Yamamoto, Tetsuro Inui, Hiroto Kawakami, Shogo Yamanaka, Takashi Ono, Kunihiko Mori, Masahiro Suzuki, Tomoyoshi Kataoka, Mitsunori Fukutoku, Toshikazu Sakano, Masahito Tomizawa, Yutaka Miyamoto (NTT) OCS2012-67 OPE2012-118 LQE2012-84 |
Transmission penalty caused by PDL affects 100 Gb/s PDM-QPSK signals as the combined effects of DGD and PDL. We reported... [more] | OCS2012-67 OPE2012-118 LQE2012-84 pp.135-140 |
|
| NS, OCS, PN (Joint) |
2012-06-21 13:30 |
Yamagata | Yamagata Univ. | 40G/100G Mixed-Rate PDM-QPSK Real-Time DWDM Transmission in Field Testbed Using Commercially-Available Installed Fibers Shuto Yamamoto, Tetsuro Inui, Hiroto Kawakami, Shogo Yamanaka, Toshikazu Sakano, Takeshi Kawai, Takashi Ono, Ayako Iwaki, Tadao Nakagawa (NTT), Takashi Kotanigawa (NTT Com) OCS2012-9 |
We demonstrate 40-G and 100-G mixed-rate PDM-QPSK DWDM transmission using real-time DSP in 580-km field testbed consisti... [more] | OCS2012-9 pp.1-6 |
| OFT, OCS (Joint) |
2011-08-26 09:25 |
Hokkaido | Investigation of Modal Dispersion Compensation Using Digital Coherent Receiver in Multi-mode Fiber Transmission Takayoshi Mori, Taiji Sakamoto, Takashi Yamamoto, Shigeru Tomita (NTT) OCS2011-49 |
Internet traffic is increasing rapidly, and considerable attention has been paid to the construction of high-speed netwo... [more] | OCS2011-49 pp.21-26 |
|
| ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2010-11-19 09:25 |
Osaka | SEI Ikoma Seminar House | The impact of nonlinear optical effect in PMD measurement by linear optical sampling Tatsuya Okamoto, Keiji Okamoto, Xinyu Fan, Fumihiko Ito (NTT) OCS2010-94 |
In optical communication systems which has over 40Gb/s transmission speeds, polarization mode dispersion (PMD) becomes a... [more] | OCS2010-94 pp.29-34 |
| ITE-BCT, OCS, OFT, IEE-CMN (Joint) [detail] |
2010-11-19 09:50 |
Osaka | SEI Ikoma Seminar House | Measurement of high-birefringence section for terrestrial optical link length using PNC-OFDR Xinyu Fan, Yusuke Koshikiya, Fumihiko Ito (NTT) OCS2010-95 |
For installed optical fiber cables, there exist a lot of such cases: if one part of section has high polarization mode d... [more] | OCS2010-95 pp.35-40 |
| OPE, EMT, LQE, PN, IEE-EMT | 2010-01-28 14:30 |
Kyoto | [Invited Talk]
Signal Processing for Photonic Networks Based on Wireless Communications Technologies Tadao Nakagawa (NTT Corp.) PN2009-41 OPE2009-179 LQE2009-161 |
Recently, coherent optical receivers with digital signal processing have been investigated extensively. In wireless comm... [more] | PN2009-41 OPE2009-179 LQE2009-161 pp.35-40 |
|
| CS, OCS (Joint) |
2010-01-29 14:30 |
Yamaguchi | Kaikyo Messe Shimonoseki | Application of all-optical 3R-regenerator to 80-Gbit/s RZ-DQPSK optical communication systems Shiro Ryu, Mikio Yagi (SoftBank Telecom) OCS2009-116 |
Studies on coherent optical receivers using digital signal processing are progressing rapidly. However, applicable tran... [more] | OCS2009-116 pp.93-98 |
| OFT | 2010-01-22 10:35 |
Okinawa | Distributed measurement of high PMD fibers realized using full polarimetric phase-noise-compensated optical frequency domain reflectometry Xinyu Fan, Yusuke Koshikiya, Fumihiko Ito (NTT) OFT2009-79 |
Polarization mode dispersion (PMD) is now becoming the main limit factor for system performances in optical communicatio... [more] | OFT2009-79 pp.95-98 |
|
| OFT, OCS, IEE-CMN, ITE-BCT (Joint) [detail] |
2009-11-26 17:15 |
Fukushima | Complete Characterization of PMD Vector through Time-resolved Waveform Analysis Based on xy-field Sampling Keiji Okamoto, Fumihiko Ito (NTT) OCS2009-91 |
The techniques for the measurement of polarization-mode dispersion (PMD) are of growing importance as fiber-optic commun... [more] | OCS2009-91 pp.51-56 |
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