Tomoyuki Kato

43 papers A 2B 1Misc 1Journal 8Unranked 31
YearRankTypeTitle / Venue / Authors
2024 — conf
Modeling and Experimental Verification in S+C+L+U Quadrable-Band WDM Transmission System using C+L-Band Transceivers and Wavelength Converters.
OFC
Hidenobu Muranaka, Tomoyuki Kato, Tomohiro Yamauchi, Hiroyuki Irie, Hiroki Ooi, Yu Tanaka, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Masashi Abe, Takeshi Umeki, Yutaka Miyamoto, Takeshi Hoshida
2024 — conf
U-Band Transmission Characteristics over Standard Cladding Step-Index 4-Core Fiber Span.
OFC
Daiki Soma, Tomoyuki Kato, Shohei Beppu, Daniel J. Elson, Hidenobu Muranaka, Hiroyuki Irie, Shun Okada, Yu Tanaka, Yuta Wakayama, Noboru Yoshikane, Takeshi Hoshida, Takehiro Tsuritani
2024 — conf
U-band WDM Transmission over 90-km Deployed Fiberoptic Cable Leveraged by S+C+L-band WDM Channels.
OFC
Tomoyuki Kato, Shohei Beppu, Daiki Soma, Hidenobu Muranaka, Shun Okada, Hiroyuki Irie, Yuta Wakayama, Noboru Yoshikane, Takehiro Tsuritani, Yu Tanaka, Takeshi Hoshida
2023 — conf
38.4-Tbps Inline-amplified Transmission Using PPLN-based Optical Parametric Amplifier over 6 THz within L- and U-bands.
OFC
Shimpei Shimizu, Takayuki Kobayashi, Akira Kawai, Takushi Kazama, Masanori Nakamura, Koji Enbutsu, Takahiro Kashiwazaki, Masashi Abe, Takeshi Umeki, Yutaka Miyamoto, Tomoyuki Kato, Yu Tanaka, Takeshi Hoshida
2023 J jnl
Design and Characterization of Dispersion-Tailored Silicon Strip Waveguides toward Wideband Wavelength Conversion.
IEICE Trans. Electron.
Hidenobu Muranaka, Tomoyuki Kato, Shun Okada, Tokuharu Kimura, Yu Tanaka, Tsuyoshi Yamamoto, Isaac Sackey, Gregor Ronniger, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert, Takeshi Hoshida
2023 J jnl
S-Band WDM Transmission Using PPLN-Based Wavelength Converters and 400-Gb/s C-Band Real-Time Transceivers.
IEICE Trans. Commun.
Tomoyuki Kato, Hidenobu Muranaka, Yu Tanaka, Yuichi Akiyama, Takeshi Hoshida, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Takeshi Umeki, Kei Watanabe, Yutaka Miyamoto
2023 — conf
U-Band Transmission of Real-Time 200-Gb/s Signal Co-Propagating with C+L-Band WDM Signal.
OFC
Tomoyuki Kato, Hiroyuki Irie, Hidenobu Muranaka, Yu Tanaka, Yuichi Akiyama, Takeshi Hoshida
2022 — conf
Characterization of Dispersion-Tailored Silicon Strip Waveguide for Wideband Wavelength Conversion.
OECC/PSC
Hidenobu Muranaka, Tomoyuki Kato, Shun Okada, Tokuharu Kimura, Yu Tanaka, Tsuyoshi Yamamoto, Isaac Sackey, Gregor Ronniger, Carsten Schmidt-Langhorst, Colja Schubert, Takeshi Hoshida
2022 J jnl
Ultrawideband Systems and Networks: Beyond C + L-Band.
Proc. IEEE
Takeshi Hoshida, Vittorio Curri, Lídia Galdino, David T. Neilson, Wladek Forysiak, Johannes K. Fischer, Tomoyuki Kato, Pierluigi Poggiolini
2022 J jnl
Unit cell mismatch scrambling method for high-resolution unary DAC based on virtual 3D layout.
IEICE Electron. Express
Dan Yao, Xuanyan Bai, Shogo Katayama, Anna Kuwana, Kazuyuki Kawauchi, Haruo Kobayashi, Kouji Hirai, Akira Suzuki, Satoshi Yamada, Tomoyuki Kato, Ritsuko Kitakoga, Takeshi Shimamura, Gopal Adhikari, Nobuto Ono, Kazuhiro Miura, Shigeya Yamaguchi
2022 — conf
WDM Transmission in S-Band Using PPLN-Based Wavelength Converters and 400-Gb/s C-Band Real-Time Transceivers.
OECC/PSC
Tomoyuki Kato, Hidenobu Muranaka, Yu Tanaka, Yuichi Akiyama, Takeshi Hoshida, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Takeshi Umeki, Kei Watanabe, Yutaka Miyamoto
2021 — conf
Whole Band Wavelength Conversion for Wideband Transmission.
OFC
Tomoyuki Kato, Shigeki Watanabe, Tomohiro Yamauchi, Goji Nakagawa, Hidenobu Muranaka, Yu Tanaka, Yuichi Akiyama, Takeshi Hoshida
2019 J jnl
Convolutional Neural Network-Based Optical Performance Monitoring for Optical Transport Networks.
JOCN
Takahito Tanimura, Takeshi Hoshida, Tomoyuki Kato, Shigeki Watanabe, Hiroyuki Morikawa
2019 — conf
Investigation on Maximum Transmission Reach in Wavelength Converted Systems.
OECC/PSC
Tomohiro Yamauchi, Tomoyuki Kato, Goji Nakagawa, Shigeki Watanabe, Yuichi Akiyama, Takeshi Hoshida
2018 — conf
Any-to-Any Signal Frequency Shifting Across Entire C-Band Using Continuously Tuneable Optical Frequency Shifter.
ECOC
Tomoyuki Kato, Shigeki Watanabe, Takahito Tanimura, Carsten Schmidt-Langhorst, Isaac Sackey, Robert Elschner, Colja Schubert, Takeshi Hoshida
2018 — conf
Data-analytics-based Optical Performance Monitoring Technique for Optical Transport Networks.
OFC
Takahito Tanimura, Takeshi Hoshida, Tomoyuki Kato, Shigeki Watanabe, Hiroyuki Morikawa
2018 — conf
Deep Neural Network Based Optical Monitor Providing Self-Confidence as Auxiliary Output.
ECOC
Takahito Tanimura, Tomoyuki Kato, Shigeki Watanabe, Takeshi Hoshida
2018 — conf
Distributed Aggregation and Reception of a 400-Gb/s Net Rate Superchannel in a Single-Photodiode 110-GHz Kramers-Kronig Receiver.
OFC
Isaac Sackey, Carsten Schmidt-Langhorst, Robert Emmerich, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Takeshi Hoshida, Colja Schubert
2018 — conf
Fiber-Optic Frequency Shifting of THz-Range WDM Signal Using Orthogonal Pump-Signal Polarization Configuration.
OFC
Tomoyuki Kato, Shigeki Watanabe, Takahito Tanimura, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert, Takeshi Hoshida
2018 J jnl
Simple Learning Method to Guarantee Operational Range of Optical Monitors.
JOCN
Takahito Tanimura, Takeshi Hoshida, Tomoyuki Kato, Shigeki Watanabe, Hiroyuki Morikawa
2017 — conf
Continuously tunable optical frequency shift of 1.6-Tb/s superchannel up to THz-range by polarization switched frequency conversion.
OFC
Tomoyuki Kato, Shigeki Watanabe, Takahito Tanimura, Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert, Takeshi Hoshida
2017 — conf
Fiber Nonlinearity Mitigation in 800-km Transmission of a 1.6-Tb/s Superchannel Using Waveband-Shift-Free Optical Phase Conjugation.
ECOC
Carsten Schmidt-Langhorst, Isaac Sackey, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Takeshi Hoshida, Colja Schubert
2017 — conf
Novel wavelength-shift-free optical phase conjugator used for fiber nonlinearity mitigation in 200-Gb/s PDM-16QAM transmission.
OFC
Isaac Sackey, Robert Elschner, Carsten Schmidt-Langhorst, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Takeshi Hoshida, Colja Schubert
2016 — conf
In-line optical signal multiplexing by polarization-insensitive fiber frequency conversion.
OFC
Tomoyuki Kato, Takahito Tanimura, Takeshi Hoshida, Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert, Shigeki Watanabe
2015 — conf
Broadband coherent-optical add/drop multiplexing over 400-GHz bandwidth by fiber frequency conversion.
OFC
Tomoyuki Kato, Takahito Tanimura, Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Colja Schubert, Shigeki Watanabe
2015 — conf
Distributed 1-Tb/s all-optical aggregation capacity in 125-GHz optical bandwidth by frequency conversion in fiber.
ECOC
Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Lutz Molle, Saleem Alreesh, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Johannes Karl Fischer, Colja Schubert
2015 — conf
Generation of ultra-dense superchannels using frequency conversion in optical fibers.
OFC
Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Colja Schubert
2015 — conf
Spatially distributed aggregation of a polarization-division multiplexed superchannel by frequency conversion in fiber.
ECOC
Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Colja Schubert
2015 — conf
Versatile coherent in-line 4-, 16-, 32-QAM subcarrier add/drop-multiplexing by optical frequency conversion.
OFC
Carsten Schmidt-Langhorst, Thomas Richter, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Colja Schubert
2014 — conf
Coherent in-line substitution of OFDM subcarriers using fiber-frequency conversion and free-running lasers.
OFC
Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Colja Schubert
2014 — conf
Coherent reception and 126 GHz bandwidth digital signal processing of CO-OFDM superchannel generated by fiber frequency conversion.
OFC
Takahito Tanimura, Tomoyuki Kato, Ryo Okabe, Shoichiro Oda, Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Colja Schubert, Jens C. Rasmussen, Shigeki Watanabe
2014 — conf
Distributed generation of a 400-Gb/s Nyquist 16QAM dense superchannel by fiber-frequency conversion.
OFC
Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Tomoyuki Kato, Shigeki Watanabe, Colja Schubert
2014 — conf
Tolerances for add/drop operation of a coherent multiplexing node based on fiber frequency conversion.
ECOC
Thomas Richter, Carsten Schmidt-Langhorst, Robert Elschner, Tomoyuki Kato, Takahito Tanimura, Shigeki Watanabe, Colja Schubert
2013 — conf
Highly efficient data aggregation on single optical carrier through fiber frequency conversion of discrete multi-tone signal.
OFC/NFOEC
Masato Nishihara, Tomoyuki Kato, Toshiki Tanaka, Tomoo Takahara, Shigeki Watanabe, Lei Li, Zhenning Tao, Jens C. Rasmussen
2013 — conf
Narrow guard-band distributed Nyquist-WDM using fiber frequency conversion.
OFC/NFOEC
Thomas Richter, Robert Elschner, Carsten Schmidt-Langhorst, Tomoyuki Kato, Shigeki Watanabe, Colja Schubert
2012 J jnl
Development of High Speed Clock Module and its Application to Array Model.
Int. J. Autom. Technol.
Kazumasa Kawasaki, Takashi Miyaguchi, Hiroshi Saito, Tomoyuki Kato, Kohroh Kobayashi, Hisayuki Nakagawa, Kazunori Kobayashi
2009 A conf
Usability study of VUI consistent with GUI focusing on age-groups.
INTERSPEECH
Jun Okamoto, Tomoyuki Kato, Makoto Shozakai
2008 A conf
Analysis of drivers' speech in a car environment.
INTERSPEECH
Tomoyuki Kato, Jun Okamoto, Makoto Shozakai
2008 J jnl
Sub-harmonic mode-locking of VCSEL with a concave external mirror.
IEICE Electron. Express
Tomoyuki Kato, Akihiro Matsutani, Takahiro Sakaguchi, Kohroh Kobayashi
2007 — conf
Extraction of Ambiguous Sequential Patterns with Least Minimum Generalization from Mismatch Clusters.
SITIS
Kotaro Araki, Keiichi Tamura, Tomoyuki Kato, Yasuma Mori, Hajime Kitakami
2006 Misc conf
Extraction for Frequent Sequential Patterns with Minimum Varaible-Wildcard Regions.
PDPTA
Tomoyuki Kato, Hajime Kitakami, Makoto Takaki, Keiichi Tamura, Yasuma Mori, Susumu Kuroki
2006 B conf
Transcription Cost Reduction for Constructing Acoustic Models Using Acoustic Likelihood Selection Criteria.
LREC
Tomoyuki Kato, Tomiki Toda, Hiroshi Saruwatari, Kiyohiro Shikano
2003 — conf
M.A.S.: A Protocol for a Musical Session in a Sound Field where Synchronization between Musical Notes is not guaranteed.
ICMC
Yuka Obu, Tomoyuki Kato, Tatsuhiro Yonekura