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Koji Igarashi

osaka university

25H-index
219Paper Count
2.7KCitation Count
Published Papers 27
Publication Date
Few-Mode Fiber Technology, Deployments, and Systems
err2022-11-01
err27
PREAI
errSillard, Pierre; Benyahya, Kaoutar; Soma, Daiki; Labroille, Guillaume; Jian, Pu; Igarashi, Koji; Ryf, Roland; Fontaine, Nicolas K.; Rademacher, Georg; Shibahara, Kohki
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Potts model solver based on hybrid physical and digital architecture
err2022-05-31
err8
errOAAI
errInaba, Kensuke; Inagaki, Takahiro; Igarashi, Koji; Utsunomiya, Shoko; Honjo, Toshimori; Ikuta, Takuya; Enbutsu, Koji; Umeki, Takeshi; Kasahara, Ryoichi; Inoue, Kyo; Yamamoto, Yoshihisa; Takesue, Hiroki
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Long-Haul Coupled 4-Core Fiber Transmission Over 7,200 Km With Real-Time MIMO DSP
err2022-03-15
err10
errOAAI
errBeppu, Shohei; Kikuta, Masahiro; Igarashi, Koji; Mukai, Hiroshi; Shigihara, Masahiro; Saito, Yasuo; Soma, Daiki; Takahashi, Hidenori; Yoshikane, Noboru; Tsuritani, Takehiro; Morita, Itsuro; Suzuki, Masatoshi
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Compressed Shaping: Concept and FPGA Demonstration
err2021-09-01
err1
errOAAI
errYoshida, Tsuyoshi; Igarashi, Koji; Karlsson, Magnus; Agrell, Erik
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Weakly coupled 10-mode-division multiplexed transmission over 48-km few-mode fibers with real-time coherent MIMO receivers
err2020-06-19
err27
errOAAI
errBeppu, Shohei; Igarashi, Koji; Kikuta, Masahiro; Soma, Daiki; Nagai, Tomoyuki; Saito, Yasuo; Takahashi, Hidenori; Tsuritani, Takehiro; Morita, Itsuro; Suzuki, Masatoshi
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266.1-Tbit/s Transmission Over 90.4-km 6-Mode Fiber With Inline Dual C+L-Band 6-Mode EDFA
err2019-01-15
err26
PREAI
errWakayama, Yuta; Soma, Daiki; Beppu, Shohei; Sumita, Seiya; Igarashi, Koji; Tsuritani, Takehiro
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Effective area measurement of few-mode fiber using far field scan technique with Hankel transform generalized for circularly-asymmetric mode
err2018-04-16
err12
errOAAI
errHayashi, Tetsuya; Tamura, Yoshiaki; Nagashima, Takuji; Yonezawa, Kazuhiro; Taru, Toshiki; Igarashi, Koji; Soma, Daiki; Wakayama, Yuta; Tsuritani, Takehiro
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257-Tbit/s Weakly Coupled 10-Mode C + L-Band WDM Transmission
err2018-03-15
err72
PREAI
errSoma, Daiki; Beppu, Shohei; Wakayama, Yuta; Igarashi, Koji; Tsuritani, Takehiro; Morita, Itsuro; Suzuki, Masatoshi
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10.16-Peta-B/s Dense SDM/WDM Transmission Over 6-Mode 19-Core Fiber Across the C plus L Band
err2018-01-01
err148
PREAI
errSoma, Daiki; Wakayama, Yuta; Beppu, Shohei; Sumita, Seiya; Tsuritani, Takehiro; Hayashi, Tetsuya; Nagashima, Takuji; Suzuki, Masato; Yoshida, Masato; Kasai, Keisuke; Nakazawa, Masataka; Takahashi, Hidenori; Igarashi, Koji; Morita, Itsuro; Suzuki, Masatoshi
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Six-Mode 19-Core Fiber With 114 Spatial Modes for Weakly-Coupled Mode-Division-Multiplexed Transmission
err2017-02-15
err31
PREAI
errHayashi, Tetsuya; Nagashima, Takuji; Yonezawa, Kazuhiro; Wakayama, Yuta; Soma, Daiki; Igarashi, Koji; Tsuritani, Takehiro; Taru, Toshiki; Sasaki, Takashi
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Ultra-dense spatial-division-multiplexed optical fiber transmission over 6-mode 19-core fibers
err2016-05-02
err69
errOAAI
errIgarashi, Koji; Soma, Daiki; Wakayama, Yuta; Takeshima, Koki; Kawaguchi, Yu; Yoshikane, Noboru; Tsuritani, Takehiro; Morita, Itsuro; Suzuki, Masatoshi
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Polybinary Shaping for Highly-Spectral-Efficient Super-Nyquist WDM QAM Signals
err2016-04-15
err23
PREAI
errIgarashi, Koji; Tsuritani, Takehiro; Morita, Itsuro
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51.1-Tbit/s MCF Transmission Over 2520 km Using Cladding-Pumped Seven-Core EDFAs
err2016-01-15
err29
PREAI
errTakeshima, Koki; Tsuritani, Takehiro; Tsuchida, Yukihiro; Maeda, Koichi; Saito, Tsunetoshi; Watanabe, Kengo; Sasa, Toru; Imamura, Katsunori; Sugizaki, Ryuichi; Igarashi, Koji; Morita, Itsuro; Suzuki, Masatoshi
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Ultra-Long-Haul High-Capacity Super-Nyquist-WDM Transmission Experiment Using Multi-Core Fibers
err2015-03-01
err30
PREAI
errIgarashi, Koji; Tsuritani, Takehiro; Morita, Itsuro; Suzuki, Masatoshi
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Selective mode multiplexer based on phase plates and Mach-Zehnder interferometer with image inversion function
err2015-01-05
err39
errOAAI
errIgarashi, Koji; Souma, Daiki; Takeshima, Koki; Tsuritani, Takehiro
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Trans-oceanic class ultra-long-haul transmission using multi-core fiber
err2014-12-16
err12
errOAAI
errMorita, Itsuro; Igarashi, Koji; Takahashi, Hidenori; Tsuritani, Takehiro; Suzuki, Masatoshi
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