Bi-Soliton under the Influence of Third Order Dispersion in Dispersion-Managed Optical Transmission System. - Xuesong Mao; Akihiro Maruta (IEICE Trans. Commun., 2005)

2-Bit All-Optical Analog-to-Digital Conversion by Slicing Supercontinuum Spectrum and Switching with Nonlinear Optical Loop Mirror and Its Application to Quaternary ASK-to-OOK Modulation Format Converter. - Sho-ichiro Oda; Akihiro Maruta (IEICE Trans. Commun., 2005)

Dynamic lightpath establishment incorporating the effects of FWM-induced crosstalk enhancement in wavelength-routed optical networks. - Adelys Marsden; Akihiro Maruta; Ken-ichi Kitayama (BROADNETS, 2008)

FWM-Aware Dynamic Routing and Wavelength Assignment for Wavelength-Routed Optical Networks. - Adelys Marsden; Akihiro Maruta; Ken-ichi Kitayama (IEICE Trans. Commun., 2008)

Wavelength Conversion Characteristics of SOA-MZI Based All-Optical NRZ-OOK/RZ-BPSK Modulation Format Converter. - Suresh M. Nissanka; Ken Mishina; Akihiro Maruta; Shunsuke Mitani; Kazuyuki Ishida; Katsuhiro Shimizu; Tatsuo Hatta; Ken-ichi Kitayama (IEICE Trans. Commun., 2008)

Dynamic RWA with FWM-induced crosstalk awareness and modulation format conversion in wavelength-routed optical networks. - Adelys Marsden; Akihiro Maruta; Ken-ichi Kitayama (Opt. Switch. Netw., 2009)

Reducing the lightpath establishing time of FWM-aware dynamic RWA for wavelength-routed optical networks. - Adelys Marsden; Akihiro Maruta; Ken-ichi Kitayama (Photonic Netw. Commun., 2009)

100 nm-bandwidth positive-efficiency wavelength conversion for m-PSK and m-QAM signals in QD-SOA. - Giampiero Contestabile; Yuki Yoshida; Akihiro Maruta; Ken-ichi Kitayama (OFC/NFOEC, 2013)

Demonstration of all-optical network coding by using SOA-MZI based XOR gates. - Daisuke Hisano; Akihiro Maruta; Ken-ichi Kitayama (OFC/NFOEC, 2013)

Elastic and green optical access based upon coherent interleaved frequency division multiple access (IFDMA). - Ken-ichi Kitayama; Yuki Yoshida; Akihiro Maruta; Kenji Ishii; Yuji Akiyama; Masaki Noda; Kazuumi Koguchi; Masamichi Nogami; Kiyoshi Onohara; Takashi Mizuochi (OFC/NFOEC, 2013)

Energy-efficient optical quantization scheme with orthogonal spectral slicing by AWG for OFDM. - Takahiro Kodama; Ryosuke Matsumoto; Akihiro Maruta; Ken-ichi Kitayama (OFC/NFOEC, 2013)

Implementation of Power-Efficient ONU for Elastic-Bandwidth IFDMA-PON Uplink by Employing Polar-Coordinate Transformed PSK Mapping [Invited]. - Kenji Ishii; Kiyoshi Onohara; Yuji Akiyama; Masaki Noda; Masamichi Nogami; Kazuumi Koguchi; Yuki Yoshida; Akihiro Maruta; Takashi Mizuochi; Ken-ichi Kitayama (JOCN, 2013)

3×ONU no-guard-band coherent OFDMA-PON uplink over 40km SMF link using real-time IFDMA transmitter with free-running 100kHz linewidth source. - Yuki Yoshida; Akihiro Maruta; Kenji Ishii; Kiyoshi Onohara; Yuji Akiyama; Masaki Noda; Masamichi Nogami; Kazuumi Koguchi; Takashi Mizuochi; Ken-ichi Kitayama (ECOC, 2014)

Mode division multiplexing network: A deployment scenario in metro area network. - Ken-ichi Kitayama; Akihiro Maruta; Yuki Yoshida; Nikolaos P. Diamantopoulos; Yue-Cai Huang; Masaya Nakazawa; Tomoki Isoda (GLOBECOM, 2014)

Demonstration of 3-ONU multiplexed coherent IFDMAPON uplink system using real-time prototypes. - Kenji Ishii; Yuki Yoshida; Kiyoshi Onohara; Masaki Noda; Masamichi Nogami; Akihiro Maruta; Takashi Mizuochi; Ken-ichi Kitayama (OFC, 2014)

Asynchronous MDM-OCDM-based 10G-PON over 40km-SMF and 2km-TMF using mode MUX/DeMUX at remote node and OLT. - Takahiro Kodama; Tomoki Isoda; Koji Morita; Akihiro Maruta; Ryo Maruyama; Nobuo Kuwaki; Shoichiro Matsuo; Naoya Wada; Gabriella Cincotti; Ken-ichi Kitayama (OFC, 2014)

First international SDN-based network orchestration of variable-capacity OPS over programmable flexi-grid EON. - Yuki Yoshida; Akihiro Maruta; Ken-ichi Kitayama; Masato Nishihara; Toshiki Tanaka; Tomoo Takahara; Jens C. Rasmussen; Noboru Yoshikane; Takehiro Tsuritani; Itsuro Morita; Shuangyi Yan; Yi Shu; et al. (OFC, 2014)

Throughput analysis of distant-adaptive, fixed-length, variable-capacity packets in OPS networks. - Pablo Jesús Argibay-Losada; Yuki Yoshida; Akihiro Maruta; Michael Schlosser 001; Ken-ichi Kitayama (ICC, 2015)

Mode-division multiplexed W-Band RoF transmission for higher-order spatial multiplexing. - Nikolaos-Panteleimon Diamantopoulos; S. Inudo; Yuki Yoshida; Akihiro Maruta; Atsushi Kanno; Pham Tien Dat; Tetsuya Kawanishi; Ryo Maruyama; N. Kuwaki; Shinji Matsuo; Ken-ichi Kitayama (OFC, 2015)

Demonstration of no-guard-band coherent IFDMA/OFDMA/SC-FDMA-PON co-existence uplink system using real-time IFDMA transmitter. - Kenji Ishii; Yuki Yoshida; Kiyoshi Onohara; Masaki Noda; Masamichi Nogami; Akihiro Maruta; Ken-ichi Kitayama (OFC, 2015)

Experimental demonstration of long haul transmission of eigenvalue modulated signals. - Akihiro Maruta; Akifiimi Toyota; Yuki Matsuda 004; Yoshinori Ikeda (TIWDC, 2015)

Wavelength division multiplexed optical eigenvalue modulated system. - Akifumi Toyota; Akihiro Maruta (TIWDC, 2015)

Performance of Fixed-Length, Variable-Capacity Packets in Optical Packet-Switching Networks. - Pablo Jesús Argibay-Losada; Yuki Yoshida; Akihiro Maruta; Michael Schlosser 001; Ken-ichi Kitayama (JOCN, 2015)

Mitigation of modal crosstalk-induced power fading in mode division multiplexed W-band RoF links. - Nikolaos P. Diamantopoulos; Y. Takami; Yuki Yoshida; Akihiro Maruta; Atsushi Kanno; Naokatsu Yamamoto; Tetsuya Kawanishi; Ryu Maruyama; N. Kuwaki; Shinji Matsuo; Ken-ichi Kitayama (OFC, 2016)

Optical vs. electronic packet switching: myth and advantage in 5G time-critical applications. - Pablo Jesús Argibay-Losada; Yuki Yoshida; Akihiro Maruta; Ken-ichi Kitayama (ONDM, 2016)

Nonlinear-Error-Free Optical Quantization Using Dense Spectral Slicing. - Takahiro Kodama; Ryosuke Matsumoto; Akihiro Maruta; Tsuyoshi Konishi; Ken-ichi Kitayama (IEICE Trans. Commun., 2016)

Optical Versus Electronic Packet Switching in Delay-Sensitive 5G Networks: Myths Versus Advantages. - Pablo Jesús Argibay-Losada; Yuki Yoshida; Akihiro Maruta; Ken-ichi Kitayama (JOCN, 2016)

Solitons and nonlinear fourier transformation. - Akihiro Maruta (OFC, 2017)

On the impact of Tomlinson-Harashima precoding in optical PAM transmissions for intra-DCN communication. - Kengo Matsumoto; Yuki Yoshida; Akihiro Maruta; Atsushi Kanno; Naokatsu Yamamoto; Ken-ichi Kitayama (OFC, 2017)

1.3 µm lasing of circular defect cavity photonic crystal laser with an AlOx cladding layer. - Xiuyu Zhang; Takafumi Hino; Satoshi Kasamatsu; Shobu Suga; Elbert He; Yifan Xiong; Masato Morifuji; Hirotake Kajii; Akihiro Maruta; Masahiko Kondow (IEICE Electron. Express, 2017)

Deployment Design of Functional Split Base Station in Fixed and Wireless Multihop Fronthaul. - Daisuke Hisano; Yu Nakayama; Kazuki Maruta; Akihiro Maruta (GLOBECOM, 2018)

93.34 Tbit/s/mode (280 Tbit/s) Transmission in a 3-Mode Graded-Index Few-Mode Fiber. - Georg Rademacher; Ruben S. Luis; Benjamin J. Puttnam; Roland Ryf; Hideaki Furukawa; Ryo Maruyama; Kazuhiko Aikawa; Akihiro Maruta; Yoshinari Awaji; Naoya Wada (OFC, 2018)

Hyper Multi-level Modulation Based on Optical Eigenvalue Multiplexing. - Takeyuki Kodama; Takato Zuiki; Ken Mishina; Akihiro Maruta (PSC, 2018)

Nonlinear Shannon Limit in Optical Fiber Transmission System. - Akihiro Maruta (IEICE Trans. Commun., 2018)

Low-Speed DSP Assisted Dispersion Compensation-Free IM/DD Optical OFDM Transmission Over 100 km-SMF using Time- and Frequency-Domain Sparse-Subcarrier Multiplexing. - Takahiro Kodama; Tatsuya Miyazaki; Masanori Hanawa; Akihiro Maruta; Naoya Wada; Gabriella Cincotti (OFC, 2019)

Experimental and Numerical Analysis of Eigenvalue Deviation in Optical Multi-Eigenvalue Modulated Signal Transmission. - Ken Mishina; Takeyuki Kodama; Yuki Yoshida; Daisuke Hisano; Akihiro Maruta (OECC/PSC, 2019)

Analysis of All Optical Wavelength Converter in Remote Pump Configuration. - Ryota Tsuji; Daisuke Hisano; Ken Mishina; Akihiro Maruta (OECC/PSC, 2019)

Artificial Neural Network Based Demodulation of Multi-Eigenvalue Modulated Signal. - Shohei Yamamoto; Ken Mishina; Akihiro Maruta (OECC/PSC, 2019)

All-Optical Modulation Format Conversion and Applications in Future Photonic Networks. - Ken Mishina; Daisuke Hisano; Akihiro Maruta (IEICE Trans. Electron., 2019)

Artificial Neural Network-Based-Receiver for Eigenvalue-Modulated Signal in Presence of Optical CFO. - Ken Mishina; Yuki Yoshida; Daisuke Hisano; Akihiro Maruta (ECOC, 2020)

Experimental Demonstration of Lloyd-Max Algorithm to Quantization Noise Reduction on a Power-Domain Non-Orthogonal Multiple Access based Coherent PON. - Kosuke Suzuoki; Daisuke Hisano; Sho Shibita; Kazuki Maruta; Akihiro Maruta (ECOC, 2020)

Fixed-Rate-Breaking All-Optical OFDM System using Time-Domain Hybrid PAM with Sparse Subcarrier Multiplexing and Power-Loading for Optical Short-Reach Transmission. - Takahiro Kodama; Akihiro Maruta; Naoya Wada; Gabriella Cincotti (OFC, 2020)

Demodulation of Eigenvalue Modulated Signal Based on Eigenvalue-Domain Neural Network. - Ken Mishina; Shingo Sato; Shohei Yamamoto; Yuki Yoshida; Daisuke Hisano; Akihiro Maruta (OFC, 2020)

All-Optical PAM4 to 16QAM Modulation Format Conversion Using Nonlinear Optical Loop Mirror and 1: 2 Coupler. - Yuta Matsumoto; Ken Mishina; Daisuke Hisano; Akihiro Maruta (IEICE Trans. Commun., 2020)

Remote Pumped All Optical Wavelength Converter for Metro-Core Photonic Networks. - Ryota Tsuji; Daisuke Hisano; Ken Mishina; Akihiro Maruta (IEICE Trans. Commun., 2020)

4096-ary Eigenvalue Modulation Using 12 Triangular-lattice-shaped Eigenvalues. - Ken Mishina; Hiroyuki Takeuchi; Takeyuki Kodama; Yuki Yoshida; Daisuke Hisano; Akihiro Maruta (OFC, 2021)

Demonstration of Asynchronous Successive Interference Canceller for Uplink NOMA-PON. - Kosuke Suzuoki; Daisuke Hisano; Ken Mishina; Kazuki Maruta; Akihiro Maruta (OFC, 2021)

Joint Multi-Eigenvalue Demodulation Using Complex Moment-based Eigenvalue Solver and Artificial Neural Network. - Yuhei Terashi; Daisuke Hisano; Ken Mishina; Yuki Yoshida; Akihiro Maruta (OFC, 2021)

Eigenvalue-domain Neural Network Receiver for 4096-ary Eigenvalue-modulated Signal. - Hiroyuki Takeuchi; Ken Mishina; Yuhei Terashi; Daisuke Hisano; Yuki Yoshida; Akihiro Maruta (OFC, 2022)

All-optical PAM4 to QPSK and 16QAM Conversions Using Si-rich SiN Waveguides. - Yuto Fujihara; Ken Mishina; Asahi Sueyoshi; Alisson Rodrigues de Paula; Akihiro Maruta (OECC/PSC, 2022)

Eigenvalue Analysis of Dispersion Managed Soliton. - Akihiro Maruta; Hiroki Endo (OECC/PSC, 2022)

Influence of Bandwidth Limitation in Optical Eigenvalue Modulation. - Kazuma Nishino; Shogo Nakao; Takaya Maeda; Ken Mishina; Akihiro Maruta (PSC, 2023)

Advanced dry etching of GaAs/AlGaAs multilayer wafer with InAs quantum dot for circular defect in photonic crystal laser. - Yuki Adachi; Yifan Xiong; Hanqiao Ye; Rubing Zuo; Masaya Morita; Kenta Kaichi; Ryosei Kinoshita; Masato Morifuji; Akihiro Maruta; Hirotake Kajii; Masahiko Kondow (IEICE Electron. Express, 2023)

All-Optical Modulation Format Conversions from PAM4 to QPSK and 16QAM Using Silicon-Rich Nitride Waveguides. - Yuto Fujihara; Asahi Sueyoshi; Alisson Rodrigues de Paula; Akihiro Maruta; Ken Mishina (IEICE Trans. Commun., 2023)

Double-stage Carrier Frequency Offset Estimation Using the Eigenvalue and Scattering Coefficient b in the Nonlinear Fourier Transform. - Taisuke Chino; Takumi Motomura; Akihiro Maruta; Ken Mishina (OFC, 2024)

1200-km Transmission of 4096-ary Eigenvalue-modulated Signal Using a Neural Network-based Demodulator and SD-FEC. - Ryotaro Harada; Tsuyoshi Yoshida; Daisuke Hisano; Akihiro Maruta; Ken Mishina (OFC, 2024)

Long-Haul Optical-Eigenvalue Transmission Using a Neural Network Demodulator and SD-FEC. - Ken Mishina; Ryotaro Harada; Tsuyoshi Yoshida; Daisuke Hisano; Akihiro Maruta (IEEE J. Sel. Areas Commun., 2025)