Igarashi kouji 五十嵐浩司

… Alternative Names

Igarashi Koji 五十嵐浩司

IGARASHI Koji 五十嵐浩司

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Researcher Number	80436534
Other IDs
Affiliation (Current)	2025: 大阪大学, 大学院基礎工学研究科, 教授
Affiliation (based on the past Project Information) *help	2025: 大阪大学, 大学院基礎工学研究科, 教授 2022 – 2023: 大阪大学, 大学院工学研究科, 准教授 2016 – 2021: 大阪大学, 工学研究科, 准教授 2014 – 2015: 大阪大学, 工学(系)研究科(研究院), 准教授 2012: 東京大学, 工学(系)研究科(研究院), 講師 2010 – 2012: 東京大学, 大学院・工学系研究科, 講師
Review Section/Research Field	Principal Investigator Electron device/Electronic equipment / Basic Section 21020:Communication and network engineering-related / Basic Section 21060:Electron device and electronic equipment-related / Communication/Network engineering Except Principal Investigator Basic Section 60060:Information network-related / Electron device/Electronic equipment
Keywords	Principal Investigator 光ファイバ伝送 / 光ファイバ通信 / ディジタル信号処理 / 光空間多重 / 深層学習 / 光計測 / 光空間多重伝送 / 光空間多重技術 / 電子デバイス / 電子デバイス・機器 … More / フォトニックネットワーク / 情報通信工学 / モード多重 / 光ファイバ / モード多重伝送 / コヒーレント光通信 / パルス整形 / 波長多重 / 信号処理 / スペクトル整形 / 超大容量伝送 / ナイキストフィルタリング / 波長分割多重技術 / 超高速測定 / コヒーレント光受信 / 超高速計測 … More Except Principal Investigator SDR / 光ファイバ伝送 / 無線通信 / RoF / SDN / 先端的通信 / フォトニックネットワーク / 情報通信工学 Less

Physics-informed deep learning for ultra-high-capacity optical space division multiplexed fiber transmissionPrincipal Investigator
- Principal Investigator
  
  五十嵐浩司
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21020:Communication and network engineering-related
- Research Institution
  The University of Osaka
Real-time digital signal processing in 10-Pbit/s-class optical space division multiplexed fiber transmissionPrincipal Investigator
- Principal Investigator
  
  五十嵐浩司
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 21060:Electron device and electronic equipment-related
- Research Institution
  Osaka University
A Study on Software Defined Radio over Fiber for Wireless Access Networks
- Principal Investigator
  
  Saruwatari Shunsuke
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60060:Information network-related
- Research Institution
  Osaka University
Weakly-coupled mode-multiplexedfiber transmissionPrincipal Investigator
- Principal Investigator
  
  Igarashi Koji
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Communication/Network engineering
- Research Institution
  Osaka University
Super-Nyquist WDM technique for high-order QAM signalsPrincipal Investigator
- Principal Investigator
  
  Igarashi Koji
- Project Period (FY)
  2014 – 2015
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  Osaka University
ナイキスト波長多重光多値変調信号の長距離光ファイバ伝送技術Principal Investigator
- Principal Investigator
  
  五十嵐浩司
- Project Period (FY)
  2011
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  The University of Tokyo
Study on Ultra-long Large-capacity Coherent Optical TransmissionSystems Aiming at Realization of the Shannon Limit
- Principal Investigator
  
  KIKUCHI Kazuro
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  The University of Tokyo
光電界複素振幅波形の超高速実時間測定と超高速光多値変復調システム評価Principal Investigator
- Principal Investigator
  
  五十嵐浩司
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Young Scientists (A)
- Research Field
  
  Electron device/Electronic equipment
- Research Institution
  The University of Tokyo

All 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 Other

All Journal Article Presentation

[Journal Article] Long-Haul Coupled 4-Core Fiber Transmission Over 7,200 Km With Real-Time MIMO DSP2022
- Author(s)
  Beppu Shohei、Kikuta Masahiro、Igarashi Koji、Mukai Hiroshi、Shigihara Masahiro、Saito Yasuo、Soma Daiki、Takahashi Hidenori、Yoshikane Noboru、Tsuritani Takehiro、Morita Itsuro、Suzuki Masatoshi
- Journal Title
  
  Journal of Lightwave Technology
  
  Volume: 40 Issue: 6 Pages: 1640-1649
- DOI
  10.1109/jlt.2022.3147477
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H01391
[Journal Article] Few-Mode Fiber Technology, Deployments, and Systems2022
- Author(s)
  Sillard Pierre、Benyahya Kaoutar、Soma Daiki、Labroille Guillaume、Jian Pu、Igarashi Koji、Ryf Roland、Fontaine Nicolas K.、Rademacher Georg、Shibahara Kohki
- Journal Title
  
  Proceedings of the IEEE
  
  Volume: 110 Issue: 11 Pages: 1804-1820
- DOI
  10.1109/jproc.2022.3207012
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01391
[Journal Article] Measurement of Laser Phase Noise for Ultra-Long Period of 0.8 Seconds With 800-ps Temporal Resolution Using Optical Coherent Detection With FPGA-Implemented Data Acquisition2021
- Author(s)
  K. Igarashi, H. Kiwata, M. Kikuta, and M. Shigihara
- Journal Title
  
  Journal of Lightwave Technology
  
  Volume: 39 Issue: 20 Pages: 6539-6546
- DOI
  10.1109/jlt.2021.3101546
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H03231, KAKENHI-PROJECT-21H01391
[Journal Article] Measuring complex field waveforms of quadrature amplitude modulation optical signals using a spectrally slicing-and-synthesizing coherent optical spectrum analyzer2020
- Author(s)
  Igarashi Koji、Kawabata Yasuhiro、Urakawa Naoki
- Journal Title
  
  Optics Express
  
  Volume: 28 Issue: 15 Pages: 21560-21560
- DOI
  10.1364/oe.396874
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H03231
[Journal Article] Weakly coupled 10-mode-division multiplexed transmission over 48-km few-mode fibers with real-time coherent MIMO receivers2020
- Author(s)
  Beppu Shohei、Igarashi Koji、Kikuta Masahiro、Soma Daiki、Nagai Tomoyuki、Saito Yasuo、Takahashi Hidenori、Tsuritani Takehiro、Morita Itsuro、Suzuki Masatoshi
- Journal Title
  
  Optics Express
  
  Volume: 28 Issue: 13 Pages: 19655-19655
- DOI
  10.1364/oe.395415
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H03231
[Journal Article] Statistics of mode couplings induced by concatenated multiple connections in weakly-coupled few-mode fibers2020
- Author(s)
  Koji Igarashi, Gen Kawabata
- Journal Title
  
  Optical Communications
  
  Volume: 467 Pages: 125685-125685
- DOI
  10.1016/j.optcom.2020.125685
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H03231
[Journal Article] EXIT Chart-Aided Design of LDPC Codes for Pilot-Assisted Direct Detection with Turbo Equalizer for Optical Fiber Short-Reach Transmissions2019
- Author(s)
  Noboru OSAWA, Shinsuke IBI, Koji IGARASHI, Seiichi SAMPEI
- Journal Title
  
  IEICE Transactions on Communications
  
  Volume: accepted
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H03231
[Journal Article] 257-Tbit/s Weakly Coupled 10-Mode C+L-Band WDM Transmission2018
- Author(s)
  D. Soma, S. Beppu, Y. Wakayama, K. Igarashi, T. Tsuritani, I. Morita, and M. Suzuki
- Journal Title
  
  IEEE Journal of Lightwave Technology
  
  Volume: 36 Issue: 6 Pages: 1375-1381
- DOI
  10.1109/jlt.2018.2792484
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04366
[Journal Article] 266.1-Tbit/s Transmission over 90.4-km 6-Mode Fiber with Inline Dual C+L-Band 6-Mode EDFA2018
- Author(s)
  Wakayama Yuta、Soma Daiki、Beppu Shohei、Sumita Seiya、Igarashi Koji、Tsuritani Takehiro
- Journal Title
  
  Journal of Lightwave Technology
  
  Volume: 37(2) Issue: 2 Pages: 404-410
- DOI
  10.1109/jlt.2018.2876730
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04366
[Journal Article] All-fiber-based selective mode multiplexer and demultiplexer for weakly-coupled mode-division multiplexed systems2018
- Author(s)
  Igarashi Koji、Park Kyung Jun、Tsuritani Takahiro、Morita Itsuro、Kim Byoung Yoon
- Journal Title
  
  Optics Communications
  
  Volume: 408 Pages: 58-62
- DOI
  10.1016/j.optcom.2017.08.049
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Journal Article] Bit-Error Ratio Performance Improvement Using Iterative Decoding for Polybinary-shaped Super-Nyquist Wavelength Division Multiplexed Signals2017
- Author(s)
  S. Yuan, K. Igarashi, T. Tsuritani, and I. Morita
- Journal Title
  
  IEEE Journal of Lightwave Technology
  
  Volume: 35 Issue: 21 Pages: 4605-4612
- DOI
  10.1109/jlt.2017.2753819
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04366
[Journal Article] Ultra-dense spatial-division-multiplexed optical fiber transmission over 6-mode 19-core fibers2016
- Author(s)
  K. Igarashi, D. Soma, Y. Wakayama, K. Takeshima, Y. Kawaguchi, N. Yoshikane, T. Tsuritani, I. Morita, and M. Suzuki
- Journal Title
  
  Opt. Express
  
  Volume: 24 Issue: 10 Pages: 10213-10231
- DOI
  10.1364/oe.24.010213
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H04366
[Journal Article] Polybinary Shaping for Highly-Spectral-Efficient Super-Nyquist WDM QAM Signals2016
- Author(s)
  K. Igarashi, T. Tsuritani, and I. Morita
- Journal Title
  
  IEEE Journal of Lightwave Technol.
  
  Volume: 34 Pages: 1724-1731
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26630161
[Journal Article] Polybinary Shaping for Highly-Spectral-Efficient Super-Nyquist WDM QAM Signals2016
- Author(s)
  K. Igarashi, T. Tsuritani, and I. Morita
- Journal Title
  
  IEEE Journal of Lightwave Technol.
  
  Volume: 34 Issue: 8 Pages: 1724-1731
- DOI
  10.1109/jlt.2016.2524200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04366
[Journal Article] Ultra-long-haul High-capacity Super-Nyquist-WDM Transmission Experiment Using Multi-core Fibers2015
- Author(s)
  K. Igarashi, T. Tsuritani, I. Morita, and M. Suzuki
- Journal Title
  
  IEEE Journal of Lightwave Technology
  
  Volume: 33 Pages: 1027-1036
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26630161
[Journal Article] Selective mode multiplexer based on phase plates and Mach-Zehnder interferometer with image inversion function2015
- Author(s)
  K. Igarashi, D. Souma, K. Takeshima, and T. Tsuritani
- Journal Title
  
  Optics Express
  
  Volume: 23 Pages: 183-194
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26630161
[Journal Article] Performance evaluation of selective mode conversion based on phase plates for a 10-mode fiber2014
- Author(s)
  K. Igarashi, D. Souma, T. Tsuritani, and I. Morita
- Journal Title
  
  Optics Express
  
  Volume: 22 Pages: 20881-20893
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26630161
[Journal Article] Multi-impairment monitoring from adaptive finite-impulse-response filters in a digital coherent receiver2011
- Author(s)
  Md.S.Faruk, Y.Mori, C.Zhang, K.Igarashi, K.Kikuchi
- Journal Title
  
  Optics Express
  
  Volume: 18 Pages: 26929-26936
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22246046
[Journal Article] Multi-impair- ment monitoring from adaptive finite- impulse-response filters in a digital coherent receiver2010
- Author(s)
  Md. S. Faruk, Y. Mori, C. Zhang, K.Igarashi, and K. Kikuchi
- Journal Title
  
  Optics Express
  
  Volume: vol.18,no.26 Pages: 26929-26936
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] Real-Time MIMO Adaptive Equalization with Carrier-Phase Recovery for Mode-Division Multiplexed Optical Coherent System2023
- Author(s)
  Koji Igarashi
- Organizer
  OFC2023
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] Real-time 6-Mode 19-Core Fiber Transmission2023
- Author(s)
  S. Beppu, M. Kikuta, D. Soma, Y. Yaegashi, K. Igarashi, M. Shigihara, K. Aizawa, N. Yoshikane, and T. Tsuritani
- Organizer
  OFC2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] モード多重光増幅器のモード間利得偏差によるMIMO適応等化の性能劣化2023
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会技術報告光通信システム研究会
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] コヒーレント光伝送システムにおけるMIMO適応等化に対する深層展開を用いた動作パラメータ設計2023
- Author(s)
  砂本英大、五十嵐浩司
- Organizer
  電子情報通信学会技術報告光通信システム研究会
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] 数モードファイバにおけるモード結合のジョーンズ行列測定法2022
- Author(s)
  福永涼太郎, 五十嵐浩司
- Organizer
  電子情報通信学会光通信システム研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] FPGAデータ集録を用いたレーザ周波数雑音の高時間分解能・超長時間測定2022
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会技術報告レーザ・量子エレクトロニクス研究会
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] 100GHz帯域光コム複素電界波形のスペクトル分割測定2022
- Author(s)
  清水雄介、藤原翼、五十嵐浩司
- Organizer
  電子情報通信学会技術報告光通信システム研究会
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] Complex Field Measurement of Optical Frequency Combs over 100-GHz Bandwidth Using a Spectrally-Slicing-and-Synthesizing Method2022
- Author(s)
  Yusuke Shimizu and Koji Igarashi
- Organizer
  OECC/PSC 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] Soft-decision FEC Designed for Optically Preamplified PAM4 Direct Detection2022
- Author(s)
  Koji Igarashi, Takumi Takahashi, Seiichi Sampei, and Kyo Inoue
- Organizer
  OECC/PSC 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] パブリッククラウドにおけるコンテナを用いたSDN 光ネットワーク制御2022
- Author(s)
  喜綿勇人, 五十嵐浩司, 吉兼昇
- Organizer
  パブリッククラウドにおけるコンテナを用いたSDN光ネットワーク制御
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Real-time Transoceanic Coupled 4-core Fiber Transmission2021
- Author(s)
  S. Beppu, M. Kikuta, K. Igarashi, H. Mukai, M. Shigihara, Y. Saito, D. Soma, H. Takahashi, N. Yoshikane, I. Morita, M. Suzuki, and T. Tsuritani
- Organizer
  OFC2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] Real-time MIMO DSP in Mode-division Multiplexed Transmission2021
- Author(s)
  Koji Igarashi
- Organizer
  EXAT2021
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] Mode-multiplexed 16QAM transmission over 60-km coupled four-core fibres using real-time MIMO-DSP with high-accuracy frequency offset estimation2021
- Author(s)
  S. Beppu, M. Kikuta, K. Igarashi, H. Mukai, M. Shigihara, Y. Saito, D. Soma, H. Takahashi, N. Yoshikane, and T. Tsuritani
- Organizer
  ECOC2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01391
[Presentation] 光スペクトル分割合成コヒーレント光スペクトラムアナライザを用いた広帯域光複素電界振幅波形測定2021
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会総合大会
- Invited
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] 4値パルス振幅変調前置増幅直接検波システムへの軟判定誤り訂正符号の適用検討2021
- Author(s)
  五十嵐浩司, 高橋拓海
- Organizer
  電子情報通信学会光通信システム研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] 偏波多重／モード多重コヒーレント伝送システムにおける偏波モード分散とインパルス応答広がりの関係2021
- Author(s)
  砂本英大, 福永涼太郎, 五十嵐浩司
- Organizer
  電子情報通信学会光通信システム研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Ultra-long-time (0.8 s) characterization of laser phase noise with high temporal resolution (800 ps) based on heterodyne reception with FPGA data acquisition2020
- Author(s)
  H. Kiwata, M. Kikuta, M. Shigihara, and K. Igarashi
- Organizer
  46th European Conference on Optical Communication (ECOC2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] High-speed (800 ps) and ultra-long-period (0.8 sec) characterization of laser phase noise by heterodyne detection with FPGA-implemented data acquisition2020
- Author(s)
  H. Kiwata, M. Kikuta, M. Shigihara, and K. Igarashi
- Organizer
  Signal Processing to Photonics Communications (SPPCom2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Recent Progress of Real-time Space Division Multiplexed Techniques in Optical Fiber Transmission2020
- Author(s)
  K. Igarashi
- Organizer
  International Conference on Emerging Technologies for Communications (ICETC2020),
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Real-Time Implementation of Adaptive MIMO Equalization with Fast Carrier-Phase Tracking2020
- Author(s)
  K. Igarashi, S. Beppu, M. Kikuta, D. Soma, Y. Saito, and T. Tsuritani
- Organizer
  Signal Processing to Photonics Communications (SPPCom2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Spectrally Slicing Coherent Optical Spectrum Analyzer for Measuring Complex Field Waveforms of Optical QAM Signals2020
- Author(s)
  Y. Kawabata, N. Urakawa, K. Kinoshita, K. Igarashi
- Organizer
  Conference on Optical Fiber Communication (OFC 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Numerical Evaluation of Modal Crosstalk Statistics in Multiple Connectors of Weakly-coupled 10-mode Fibers2019
- Author(s)
  G. Kawabata, K. Igarashi,
- Organizer
  Optoelectronics and Communications Conference (OECC2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Mode-dependent Probabilistic Shaping for Highly-efficient Weakly Coupled 10-mode Fiber Transmission2019
- Author(s)
  S. Beppu, D. Soma, Y. Wakayama, S. Sumita, K. Igarashi, H. Takahashi, and T. Tsuritani
- Organizer
  Conference on Optical Fiber Communication (OFC 2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Degradation of Achievable Information Rate due to Phase Noise in Optical Coherent Systems2019
- Author(s)
  S. Zhiyuan, K. Igarashi
- Organizer
  電子情報通信学会・光通信システム(OCS)研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Constellation Monitor of QPSK Optical Signals Based on Spectrally-sliced Coherent Optical Spectrum Analyzers2019
- Author(s)
  K. Igarashi, N. Urakawa
- Organizer
  Optoelectronics and Communications Conference (OECC2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Real-time Optical Coherent MIMO Receiver in Weakly-coupled Ten-mode Multiplexed Transmissio2019
- Author(s)
  K. Igarashi, S. Beppu, M. Kikuta, Y. Saito, D. Soma,T.Tsuritani
- Organizer
  European Conference on Optical Communication (ECOC2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] QAM光信号の複素電界振幅波形測定に対するスペクトル分割合成法の性能評価2019
- Author(s)
  川端康人, 五十嵐浩司
- Organizer
  電子情報通信学会・光通信システム(OCS)研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] コヒーレント光受信における更新遅延を有するMIMO適応等化の性能評価2019
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会・光通信システム(OCS)研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Channel Compensation and CPR for PDM System Based on Channel Hardening Effect2019
- Author(s)
  Seiji Tanaka, Takumi Takahashi, Shinsuke Ibi, Koji Igarashi, Seiichi Sampei
- Organizer
  Asia Communications and Photonics Conference (ACP2019)
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] 弱結合10モードファイバの多段接続におけるモード間結合の統計的性質2019
- Author(s)
  川畑巌, 五十嵐浩司
- Organizer
  電子情報通信学会・光通信システム(OCS)研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] 弱結合10モード多重伝送用実時間MIMO光受信器2019
- Author(s)
  五十嵐浩司, 別府翔平, 菊田将弘, 永井智之, 齋藤靖夫, 相馬大樹釣谷剛宏
- Organizer
  電子情報通信学会・光通信システム(OCS)研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] 超高QAM光信号のディジタルコヒーレント受信におけるアナログ・ディジタル変換器のダイナミックレンジに対する信号振幅最適化2018
- Author(s)
  川端康大、五十嵐浩司
- Organizer
  電子情報通信学会技術報告、光通信システム研究会
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Signal Processing for Ultra-dense WDM/SDM Transmission Systems2018
- Author(s)
  K. Igarashi
- Organizer
  IEEE Photonics Conference (IPC2018)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 弱結合モード多重伝送システムにおける数モードファイバの多点接続におけるモード間クロストーク2018
- Author(s)
  大和勇熙、五十嵐浩司
- Organizer
  電子情報通信学会技術報告、光通信システム研究会
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 超高QAM光信号のディジタルコヒーレント受信におけるアナログ・ディジタル変換器のダイナミックレンジに対する信号振幅最適化2018
- Author(s)
  川端康大, 五十嵐浩司
- Organizer
  電子情報通信学会技術報告, 光通信システム研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] Low-loss and Low-crosstalk All-fiber-based Six-mode Multiplexer and Demultiplexer for Mode-Multiplexed QAM Signals in C-band2018
- Author(s)
  K. Igarashi, Y. Wakayama, D. Soma, T. Tsuritani, I. Morita, K. J. Park, J. Ko and B. Y. Kim
- Organizer
  Conference on Optical Fiber Communication (OFC 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 光ファイバ通信における符号化技術の基礎と近年の研究動向2018
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会技術報告、光通信システム研究会、OCS Summer School 2016
- Invited
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] ファイバ非線形伝搬の確率モデルとDP-16QAM光信号に対する非線形補償への応用2018
- Author(s)
  袁帥、五十嵐浩司
- Organizer
  電子情報通信学会技術報告、光通信システム研究会
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 偏波多重を適用した光ファイバ通信システムにおける大システム極限を利用した位相雑音除去と通信路補償に関する一検討2018
- Author(s)
  田中誠二, 大澤昇, 衣斐信介, 五十嵐浩司, 三瓶政一
- Organizer
  電子情報通信学会技術報告, 光通信システム研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] コヒーレント光伝送システムにおけるディジタル信号処理2018
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会無線通信システム研究会
- Invited
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 数モードファイバ接続におけるモード間結合抑圧のためのコア径最適化2018
- Author(s)
  川畑巌、五十嵐浩司
- Organizer
  電子情報通信学会技術報告、光通信システム研究会
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Signal Processing for Mode Multiplexed Transmission in the Optical Domain and Digital Domain2018
- Author(s)
  K. Igarashi
- Organizer
  Photonics in Switching and Computing (PSC2018)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 擬似ランダムQPSK光信号のコンステレーション測定に対するスペクトル合成コヒーレント受信器の性能評価2018
- Author(s)
  浦川直樹, 五十嵐浩司
- Organizer
  電子情報通信学会技術報告, 光通信システム研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] 光ファイバ伝送における変復調・符号化技術2018
- Author(s)
  五十嵐浩司
- Organizer
  2018年電子情報通信学会総合大会
- Invited
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 擬似ランダムQPSK光信号のコンステレーション測定に対するスペクトル合成コヒーレント受信器の性能評価2018
- Author(s)
  浦川直樹、五十嵐浩司
- Organizer
  電子情報通信学会技術報告、光通信システム研究会
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] MAP Decoder for Nonlinear Compensation in WDM DP-QPSK Systems2018
- Author(s)
  S. Yuan and K. Igarashi
- Organizer
  Asia Communications and Photonics Conference (ACP2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 数モードファイバ接続におけるモード間結合抑圧のためのコア径最適化2018
- Author(s)
  川畑巌, 五十嵐浩司
- Organizer
  電子情報通信学会技術報告, 光通信システム研究会
- Data Source
  KAKENHI-PROJECT-18H03231
[Presentation] 266.1-Tbit/s Repeatered Transmission over 90.4-km 6-Mode Fiber Using Dual C+L-Band 6-Mode EDFA2018
- Author(s)
  Y. Wakayama, D. Soma, S. Beppu, S. Sumita, K. Igarashi, T. Tsuritani, and I. Morita
- Organizer
  Conference on Optical Fiber Communication (OFC 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Adaptive Equalization Combined with Maximum Likelihood Decoder for Trellis Code Modulation based on High-order QAM Signals2017
- Author(s)
  K. Igarashi
- Organizer
  Optoelectronics and Communications Conference (OECC2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 257-Tbit/s Partial MIMO-based 10-Mode C+L-band WDM Transmission over 48-km FMF2017
- Author(s)
  D. Soma, S. Beppu, Y. Wakayama, Y. Kawaguchi, K. Igarashi, and T. Tsuritani
- Organizer
  European Conference on Optical Communication (ECOC2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 大容量光ファイバ通信におけるMIMO技術2017
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会無線通信システム研究会
- Invited
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Dual C+L-Band Six-Mode Optical Amplifier with Widely Erbium-Doped Fibre2017
- Author(s)
  Y. Wakayama, D. Soma, K. Igarashi, H. Taga, and T. Tsuritani
- Organizer
  European Conference on Optical Communication (ECOC2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] What is the best fibre for the development of space-division multiplexing systems? Topics: SDM Transmission Experiments2017
- Author(s)
  K. Igarashi
- Organizer
  European Conference on Optical Communication (ECOC2017)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 光ケーブル敷設に対するマルチコアファイバのコスト効果2017
- Author(s)
  五十嵐浩司
- Organizer
  光通信インフラの飛躍的な高度化に関する時限研究専門委員会
- Invited
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Iterative Decoding Between Feed-forward Carrier Recovery and FEC Decoding to Compensate for Laser Phase Noise2017
- Author(s)
  S. Yuan and K. Igarashi
- Organizer
  Optoelectronics and Communications Conference (OECC2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Experimental Characterization of Step-Index Few-Mode Fiber for Weakly-Coupled 10-Mode-Multiplexed Transmission2017
- Author(s)
  Y. Wakayama, D. Soma, K. Igarashi, H. Taga, and T. Tsuritani
- Organizer
  Optoelectronics and Communications Conference (OECC2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Improvement on Post-FEC BER Performance by Iterative Decoding Between a Feed-forward Carrier-Phase Estimator and an FEC Decoder2017
- Author(s)
  S. Yuan and K. Igarashi
- Organizer
  Asia Communications and Photonics Conference (ACP2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Suppression of IQ Modulation Error Based on Single-Sideband Modulation to Generate Ultrahigh Order QAM Optical Signals2017
- Author(s)
  K. Igarashi
- Organizer
  Asia Communications and Photonics Conference (ACP2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Ultra-dense space division multiplexing technologies towards multi-Peta bit/s optical transmission2016
- Author(s)
  M. Suzuki, D. Soma, K. Igarashi, Y. Wakayama, K. Takeshima, Y. Kawaguchi, N. Yoshikane, T. Tsuritani, and I. Morita
- Organizer
  18th International Conference on Transparent Optical Networks (ICTON2016)
- Place of Presentation
  Trento, Italy
- Year and Date
  2016-07-10
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Improvement on FEC performance by Turbo Equalization for Super-Nyquist WDM systems2016
- Author(s)
  S. Yuan, K. Igarashi, T. Tsuritani, and I. Morita
- Organizer
  42nd European Conference on Optical Communication (ECOC2016)
- Place of Presentation
  Dusseldorf, Germany
- Year and Date
  2016-09-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Turbo Equalization with 20%-overhead Turbo Code in Super-Nyquist WDM Systems2016
- Author(s)
  S. Yuan, K. Igarashi, T. Tsuritani, and I. Morita
- Organizer
  Signal Processing in Photonic Communications 2016 (SPPCom2016)
- Place of Presentation
  Vancouver, Canada
- Year and Date
  2016-07-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Turbo Equalization for Duobinary-shaped Signals in Super-Nyquist WDM Systems2016
- Author(s)
  S. Yuan and K. Igarashi
- Organizer
  21st Optoelectronics and Communications Conference (OECC2016)
- Place of Presentation
  Niigata, Japan
- Year and Date
  2016-07-03
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Weakly-coupled FMF Transmission for Reduction of MIMO Complexity2016
- Author(s)
  D. Soma, Y. Wakayama, K. Igarashi, and T. Tsuritani
- Organizer
  Summer Topicals Meeting Series 2016 (SUM2016)
- Place of Presentation
  Newport Beach, CA, USA
- Year and Date
  2016-07-03
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Ultra-high-capacity Transmission over Few-mode Multi-core Fibers2016
- Author(s)
  K. Igarashi, T. Tsuritani, and I. Morita
- Organizer
  21st Optoelectronics and Communications Conference (OECC2016)
- Place of Presentation
  Niigata, Japan
- Year and Date
  2016-07-03
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] 665 and 947b/s/Hz Ultra-highly Aggregate-Spectral-Efficient SDM/WDM Transmission over 6-Mode 19-Core Fibre Using DP-16QAM/64QAM signals2016
- Author(s)
  D. Soma, Y. Wakayama, S. Beppu, K. Igarashi, T. Tsuritani, H. Taga, I. Morita, and M. Suzuki
- Organizer
  42nd European Conference on Optical Communication (ECOC2016)
- Place of Presentation
  Dusseldorf, Germany
- Year and Date
  2016-09-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Ultra-high Capacity Transmission Based on Ultra-dense WDM/SDM Techniques2016
- Author(s)
  K. Igarashi, T. Tsuritani, and I. Morita
- Organizer
  Asia Communications and Photonics Conference (ACP2016)
- Place of Presentation
  Wuhan, China
- Year and Date
  2016-11-02
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Novel 6-Mode Fibre Amplifier with Large Erbium-Doped Area for Differential Modal Gain Minimization2016
- Author(s)
  Y. Wakayama, K. Igarashi, D. Soma, H. Taga, and T. Tsuritani
- Organizer
  42nd European Conference on Optical Communication (ECOC2016)
- Place of Presentation
  Dusseldorf, Germany
- Year and Date
  2016-09-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] Bit-error Rate Performance of Six-mode-multiplexed DP-64QAM signals2016
- Author(s)
  K. Igarashi, T. Tsuritani, and I. Morita
- Organizer
  IEEE Summer Topicals Meeting Series 2016 (SUM2016)
- Place of Presentation
  Newport Beach, CA, USA
- Year and Date
  2016-07-11
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04366
[Presentation] All-fiber-based Selective Mode Multiplexer and Demultiplexer for Six-mode Multiplexed Signals2016
- Author(s)
  K. Igarashi, K. J. Park, D. Soma, Y. Wakayama, T. Tsuritani, and B. Y. Kim
- Organizer
  Conference on Optical Fiber Communication (OFC 2016)
- Place of Presentation
  アナハイム（米国）
- Year and Date
  2016-03-20
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] 低コヒーレンスディジタルホログラフィを用いた114空間多重光ファイバにおけるモード間遅延差の計測2015
- Author(s)
  若山雄太、多賀秀徳、五十嵐浩司、釣谷剛宏
- Organizer
  2015年電子情報通信学会ソサイエティ大会
- Place of Presentation
  東北大学（宮城県・仙台市）
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] Super-Nyquist-WDM Technique for Ultra-Long-Haul High-Capacity Optical Fiber Transmission Systems2015
- Author(s)
  K. Igarashi, T. Tsuritani, I. Morita, and M. Suzuki
- Organizer
  20th Optoelectronics and Communications Conference (OECC2015)
- Place of Presentation
  上海（中国）
- Year and Date
  2015-06-28
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] 空間多重数100を超えるモード多重マルチコアファイバ伝送実験2015
- Author(s)
  五十嵐浩司、釣谷剛宏、森田逸郎
- Organizer
  光通信インフラの飛躍的な高度化に関する時限研究専門委員会
- Place of Presentation
  小樽経済センターホール（北海道・小樽市）
- Year and Date
  2015-08-27
- Invited
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] Ultra-Long-Haul High-Capacity Multi-Core Fiber Transmission with Capacity-Distance Product over 1 Exabit/s·km2015
- Author(s)
  K. Igarashi
- Organizer
  2015 EMN optoelectronics Meeting
- Place of Presentation
  北京（中国）
- Year and Date
  2015-04-24
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] クラッド励起7コアEDFAを用いた76x128Gbit/s, 4,200km空間光多重伝送実験2015
- Author(s)
  竹島公貴、釣谷剛宏、土田幸寛、前田幸一、齋藤恒聡、渡辺健吾、佐々徹、今村勝徳、杉崎隆一、五十嵐浩司、森田逸郎
- Organizer
  2015年電子情報通信学会ソサイエティ大会
- Place of Presentation
  東北大学（宮城県・仙台市）
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] 高密度波長多重マルチコアファイバ伝送における周波数インターリーブ2015
- Author(s)
  五十嵐浩司、岡田庄平、井上恭
- Organizer
  光通信インフラの飛躍的な高度化に関する時限研究専門委員会
- Place of Presentation
  日本女子大学（東京都・文京区）
- Year and Date
  2015-11-18
- Invited
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] 6モード19コアファイバを用いた114空間多重伝送実験2015
- Author(s)
  五十嵐浩司、相馬大樹、若山雄太、竹島公貴、川口優、釣谷剛宏、森田逸郎、鈴木正敏
- Organizer
  2015年電子情報通信学会ソサイエティ大会
- Place of Presentation
  東北大学（宮城県・仙台市）
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] 114 Space-Division-Multiplexed WDM Transmission Using 6-mode 19-core Fibers2015
- Author(s)
  K. Igarashi, T. Tsuritani, and I. Morita
- Organizer
  2015 IEEE Photonics Conference (IPC2015)
- Place of Presentation
  レストン（米国）
- Year and Date
  2015-10-04
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] High-capacity Ultra-long-haul Transmission Experiments Using Multi-core Fibers2015
- Author(s)
  K. Igarashi, K. Takeshima, T. Tsuritani, I. Morita, and M. Suzuki
- Organizer
  International Symposium on extremely advanced transmission technology (EXAT 2015)
- Place of Presentation
  コープイン京都（京都府・京都市）
- Year and Date
  2015-07-13
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] スーパーナイキスト波長多重システムに対するターボ符号適用の検討2015
- Author(s)
  袁帥、五十嵐浩司
- Organizer
  電子情報通信学会技術報告、光通信システム研究会
- Place of Presentation
  松山市民会館（愛媛県・松山市）
- Year and Date
  2015-11-12
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] Experimental Study on Polybinary-Pulse-Shaped QAM Signals for Highly-Spectral-Efficient Super-Nyquist-WDM Systems2015
- Author(s)
  K. Igarashi, T. Tsuritani, and I. Morita
- Organizer
  41st European Conference on Optical Communication (ECOC2015)
- Place of Presentation
  バレンシア（スペイン）
- Year and Date
  2015-09-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] 像反転機能を有するマッハツェンダ干渉計型モード多重器を用いた7モード多重伝送特性2015
- Author(s)
  相馬大樹、竹島公貴、五十嵐浩司、釣谷剛宏
- Organizer
  2015年電子情報通信学会ソサイエティ大会
- Place of Presentation
  東北大学（宮城県・仙台市）
- Year and Date
  2015-09-08
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] トレリス符号変調高多値直交振幅光信号に対する位相同期ループ内蔵ビタビ復号2015
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会技術報告光通信システム研究会
- Place of Presentation
  松山市民会館（愛媛県・松山市）
- Year and Date
  2015-11-12
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] Influence of channel misalignment of time-interleaved DAC on sensitivity degra- dation in coherent optical receivers2013
- Author(s)
  C. Han, K. Igarashi, and K. Kikuchi
- Organizer
  Optical Fiber Communications Conference (OFC2013)
- Place of Presentation
  CA,USA
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] Frequency stabilization of multiple semiconductor lasers for Nyquist-WDM transmission systems2013
- Author(s)
  K. Igarashi
- Organizer
  Optical Fiber Communications Conference (OFC 2013)
- Place of Presentation
  Anaheim, CA, USA
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] Frequency stabilization of multiple semiconductor lasers for Nyquist- WDM transmission systems2013
- Author(s)
  K. Igarashi, T. Tsuritani, I. Morita, K. Katoh, and K. Kikuchi
- Organizer
  Optical FiberCommunications Conference (OFC 2013)
- Place of Presentation
  Anaheim, CA, USA
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] ナイキスト波長分割多重QPSK光信号の非線形伝送シミュレーション2012
- Author(s)
  渋下要、加藤一弘、五十嵐浩司、菊池和朗
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  岡山
- Year and Date
  2012-03-21
- Data Source
  KAKENHI-PROJECT-23656233
[Presentation] 光領域における時間軸拡張とその超高速実時間光信号波形測定への応用2012
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  岡山(招待講演)
- Year and Date
  2012-03-22
- Data Source
  KAKENHI-PROJECT-23656233
[Presentation] ナイキスト波長分割多重QPSK光信号の非線形伝送シミュレーション2012
- Author(s)
  渋下要、加藤一弘、五十嵐浩司、菊池和朗
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  岡山
- Year and Date
  2012-03-21
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] 光領域における時間軸拡張とその超高速実時間光信号波形測定への応用2012
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  岡山(招待講演)
- Year and Date
  2012-03-22
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] 平面光導波路回路を用いた光有限インパルス応答フィルタ2011
- Author(s)
  五十嵐浩司
- Organizer
  第58回応用物理学関係連合講演会
- Place of Presentation
  東京
- Year and Date
  2011-03-26
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] 任意伝達関数を実現する光有限インパルス応答フィルタを用いた光等化2011
- Author(s)
  五十嵐浩司
- Organizer
  レーザ学会第31回年次大会
- Place of Presentation
  東京
- Year and Date
  2011-01-10
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] 時間軸拡張を用いた超高速光信号波形のシングルショット測定2011
- Author(s)
  五十嵐浩司、薄衣雅俊、加藤一弘、菊池和朗
- Organizer
  電子情報通信学会光通信システム研究会
- Place of Presentation
  高知
- Year and Date
  2011-10-28
- Data Source
  KAKENHI-PROJECT-23656233
[Presentation] Second-orderPMD monitoring from adaptive FIR-?ltertap coe?cients in a digital coherentreceiver2011
- Author(s)
  Md. S. Faruk, Y. Mori, C. Zhang, K.Igarashi, and K. Kikuchi
- Organizer
  Optical Fiber CommunicationsConference (OFC 2011)
- Place of Presentation
  OWN3, Los Angeles, CA, USA
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] Characterization of semiconductor-laser phase noise with digital coherent receivers2011
- Author(s)
  K.Kikuchi, K.Igarashi
- Organizer
  Optical Fiber Communications Conference (OFC 2011)
- Place of Presentation
  アメリカ,ロスアンゼルス
- Year and Date
  2011-03-07
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] 有限インパルス応答フィルタを用いた伝達関数の任意制御2011
- Author(s)
  五十嵐浩司
- Organizer
  第72回応用物理学会学術講演会
- Place of Presentation
  山形(招待講演)
- Year and Date
  2011-09-02
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] 有限インパルス応答フィルタを用いた伝達関数の任意制御2011
- Author(s)
  五十嵐浩司
- Organizer
  第72回応用物理学会学術講演会
- Place of Presentation
  山形(招待講演)
- Year and Date
  2011-09-02
- Data Source
  KAKENHI-PROJECT-23656233
[Presentation] Bit-error rate performance of Nyquist wavelength-division multiplexed quadrature phase-shift keying optical signals2011
- Author(s)
  K.Igarashi, Y.Mori, K.Katoh, K.Kikuchi
- Organizer
  Optical Fiber Communications Conference (OFC 2011)
- Place of Presentation
  アメリカ,ロスアンゼルス
- Year and Date
  2011-03-07
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] ナイキスト波長多重QPSK光信号のビット誤り率特性2011
- Author(s)
  五十嵐, 森, 加藤, 菊池
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  東京都市大学(東京都)
- Year and Date
  2011-03-14
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] 時間軸拡張を用いた超高速光信号波形のシングルショット測定2011
- Author(s)
  五十嵐浩司、薄衣雅俊、加藤一弘、菊池和朗
- Organizer
  電子情報通信学会光通信システム研究会
- Place of Presentation
  高知
- Year and Date
  2011-10-28
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] ナイキスト波長多重QPSK光信号のビット誤り率特性2011
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会総合大会
- Place of Presentation
  東京
- Year and Date
  2011-03-14
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] Bit-error Rate Performance of Nyquist Wavelength-Division Multiplexed Quadrature Phase-Shift Keying Optical Signals2011
- Author(s)
  五十嵐浩司
- Organizer
  OFC/NFOEC 2011
- Place of Presentation
  ロサンゼルス、米国
- Year and Date
  2011-03-08
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] 平面光導波路型光有限インパルス応答フィルタとその超高速光等化への応用2011
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  札幌(招待講演)
- Year and Date
  2011-09-13
- Data Source
  KAKENHI-PROJECT-23656233
[Presentation] Second-order PMD monitoring from adaptive FIR-filter tap coefficients in a digital coherent receiver2011
- Author(s)
  Md.S.Faruk, Y.Mori, C.Zhang, K.Igarashi, K.Kikuchi
- Organizer
  Optical Fiber Communications Conference (OFC 2011)
- Place of Presentation
  アメリカ,ロスアンゼルス
- Year and Date
  2011-03-09
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] Bit-error rate performance of Nyquist wavelength-division multiplexed quadrature phase-shift keying optical signals2011
- Author(s)
  K. Igarashi, Y. Mori, K. Katoh, and K.Kikuchi
- Organizer
  Optical Fiber Communications Conference (OFC 2011), 査読有,OMR6,
- Place of Presentation
  Los Angeles, CA, USA
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] 平面光導波路型光有限インパルス応答フィルタとその超高速光等化への応用2011
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  札幌(招待講演)
- Year and Date
  2011-09-13
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] Charact- erization of semiconductor-laser phase noise with digital coherent receivers2011
- Author(s)
  K. Kikuchi and K. Igarashi
- Organizer
  Optical Fiber Communications Conference (OFC2011)
- Place of Presentation
  Los Angeles, CA,USA
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] Ultrafast digital coherent receiver based on parallel processing of decomposed frequency subbands2010
- Author(s)
  C.Zhang, Y.Mori, K Igarashi, K.Katoh, K.Kikuchi
- Organizer
  European Conference on Optical Communication (ECOC 2010)
- Place of Presentation
  Italy, Torino
- Year and Date
  2010-09-23
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] サブバンド分割によるディジタルコヒーレント受信器の超高速化2010
- Author(s)
  張, 森, 五十嵐, 加藤, 菊池
- Organizer
  電子情報通信学会光通信システム研究会
- Place of Presentation
  門司港レトロ(山口県)
- Year and Date
  2010-10-28
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] 多段LiNbO3強度変調器を用いた波長可変超短光パルス列発生2010
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  大阪
- Year and Date
  2010-09-15
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] 光インパルス応答フィルタを用いた超高速光信号等化技術2010
- Author(s)
  五十嵐浩司
- Organizer
  電子情報通信学会光システム通信研究会
- Place of Presentation
  徳島
- Year and Date
  2010-10-28
- Data Source
  KAKENHI-PROJECT-22686035
[Presentation] 帯域分割並列処理によるディジタルコヒーレント受信器の超高速化2010
- Author(s)
  張, 森, 五十嵐, 加藤, 菊池
- Organizer
  電子情報通信学会ソサイエティ大会
- Place of Presentation
  大阪府立大学(大阪府)
- Year and Date
  2010-09-17
- Data Source
  KAKENHI-PROJECT-22246046
[Presentation] Optical Pulse Shaping for Super-Nyquist WDM Transmission
- Author(s)
  K. Igarashi
- Organizer
  Signal Processing to Photonics Communications (SPPCom2014)
- Place of Presentation
  米国サンディエゴ
- Year and Date
  2014-07-13 – 2014-07-17
- Invited
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] 1-Exabit/s•km Super-Nyquist-WDM Transmission using Multi-Core Fibers
- Author(s)
  K. Igarashi, T. Tsuritani, and I. Morita
- Organizer
  International Conference on Optical Internet (COIN2014)
- Place of Presentation
  韓国チェジュ
- Year and Date
  2014-08-28 – 2014-08-29
- Invited
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] Super-Nyquist-WDM Multi-core Fiber Transmission with Capacity-Distance Product over 1 Exabit/s•km
- Author(s)
  K. Igarashi
- Organizer
  9th International Workshop on Optical Signal Processing and Optical Switching (IWOO2014)
- Place of Presentation
  大阪
- Year and Date
  2014-10-17 – 2014-10-18
- Invited
- Data Source
  KAKENHI-PROJECT-26630161
[Presentation] 1-Exabit/sｘkm Super-Nyquist-WDM Multi-Core-Fiber Transmission
- Author(s)
  K. Igarashi, T. Tsuritani, and I. Morita
- Organizer
  40th European Conference on Optical Communication (ECOC2014)
- Place of Presentation
  フランスカンヌ
- Year and Date
  2014-09-21 – 2014-09-25
- Invited
- Data Source
  KAKENHI-PROJECT-26630161

1. KIKUCHI Kazuro (50134458)

# of Collaborated Projects: 1 results

# of Collaborated Products: 14 results
2. KATOH Kazuhiro (00292897)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
3. Saruwatari Shunsuke (50507811)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 衣斐信介 (10448087)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results

Igarashi kouji 五十嵐 浩司

Igarashi Koji 五十嵐 浩司

IGARASHI Koji 五十嵐 浩司

Research Projects

Research Products

Co-Researchers

Physics-informed deep learning for ultra-high-capacity optical space division multiplexed fiber transmissionPrincipal Investigator

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Real-time digital signal processing in 10-Pbit/s-class optical space division multiplexed fiber transmissionPrincipal Investigator

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A Study on Software Defined Radio over Fiber for Wireless Access Networks

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Weakly-coupled mode-multiplexedfiber transmissionPrincipal Investigator

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Super-Nyquist WDM technique for high-order QAM signalsPrincipal Investigator

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ナイキスト波長多重光多値変調信号の長距離光ファイバ伝送技術Principal Investigator

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Study on Ultra-long Large-capacity Coherent Optical TransmissionSystems Aiming at Realization of the Shannon Limit

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光電界複素振幅波形の超高速実時間測定と超高速光多値変復調システム評価Principal Investigator

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[Journal Article] Long-Haul Coupled 4-Core Fiber Transmission Over 7,200 Km With Real-Time MIMO DSP2022

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[Journal Article] Few-Mode Fiber Technology, Deployments, and Systems2022

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DOI

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[Journal Article] Measurement of Laser Phase Noise for Ultra-Long Period of 0.8 Seconds With 800-ps Temporal Resolution Using Optical Coherent Detection With FPGA-Implemented Data Acquisition2021

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DOI

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[Journal Article] Measuring complex field waveforms of quadrature amplitude modulation optical signals using a spectrally slicing-and-synthesizing coherent optical spectrum analyzer2020

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[Journal Article] Weakly coupled 10-mode-division multiplexed transmission over 48-km few-mode fibers with real-time coherent MIMO receivers2020

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Data Source

[Journal Article] Statistics of mode couplings induced by concatenated multiple connections in weakly-coupled few-mode fibers2020

Igarashi kouji 五十嵐浩司

Igarashi Koji 五十嵐浩司

IGARASHI Koji 五十嵐浩司