Experimental Demonstration of Simplified Adaptive Equalizer for Fractionally Sampled 120-GBaud Signal. - Fukutaro Hamaoka; Seiji Okamoto; Masanori Nakamura; Asuka Matsushita; Takayuki Kobayashi; Hiroshi Yamazaki; Munehiko Nagatani; Yoshiaki Kisaka; Akira Hirano; Yutaka Miyamoto (ECOC, 2017)

10-WDM 64-GBaud PDM-64QAM Transmission over all-Raman amplified 840 km SSMF using Digital Back Propagation. - Asuka Matsushita; Masanori Nakamura; Hideki Nishizawa; Yoshiaki Kisaka; Akira Hirano (ECOC, 2017)

High Baud Rate Signal Transmission with Coded Multi-dimensional Modulation. - Masanori Nakamura; Fukutaro Hamaoka; Asuka Matsushita; Hiroshi Yamazaki; Munehiko Nagatani; Akira Hirano; Yutaka Miyamoto (ECOC, 2017)

120-GBaud coded 8 dimensional 16QAM WDM transmission using low-complexity iterative decoding based on bit-wise log likelihood ratio. - Masanori Nakamura; Fukutaro Hamaoka; Asuka Matsushita; Hiroshi Yamazaki; Munehiko Nagatani; Akihide Sano; Akira Hirano; Yutaka Miyamoto (OFC, 2017)

150.3-Tb/s Ultra-Wideband (S, C, and L Bands) Single-Mode Fibre Transmission over 40-km Using >519Gb/s/A PDM-128QAM Signals. - Fukutaro Hamaoka; Kyo Minoguchi; Takeo Sasai; Asuka Matsushita; Masanori Nakamura; Seiji Okamoto; Etsushi Yamazaki; Yoshiaki Kisaka (ECOC, 2018)

Adaptive Compensation for SOA-Induced Nonlinear Distortion with Training-Based Estimation of SOA Device Parameters. - Fukutaro Hamaoka; Seiji Okamoto; Masanori Nakamura; Asuka Matsushita; Yoshiaki Kisaka (ECOC, 2018)

Transmission Technologies Beyond 400-Gbps/Carrier Employing High-Order Modulation Formats. - Asuka Matsushita; Masanori Nakamura; Fukutaro Hamaoka; Seiji Okamoto (ECOC, 2018)

Spectrally Efficient 800 Gbps/Carrier WDM Transmission with 100-GHz Spacing Using Probabilistically Shaped PDM-256QAM. - Masanori Nakamura; Asuka Matsushita; Seiji Okamoto; Fukutaro Hamaoka; Yoshiaki Kisaka (ECOC, 2018)

Single-carrier 48-GBaud PDM-256QAM Transmission Over Unrepeated 100km Pure-silica-core Fiber Using Commercially Available μITLA and LN-IQ-modulator. - Asuka Matsushita; Masanori Nakamura; Fukutaro Hamaoka; Yoshiaki Kisaka (OFC, 2018)

Advanced DSP Technologies with Symbol-rate over 100-Gbaud for High-capacity Optical Transport Network. - Masanori Nakamura; Fukutaro Hamaoka; Asuka Matsushita; Hiroshi Yamazaki; Munehiko Nagatani; Takayuki Kobayashi; Yoshiaki Kisaka; Yutaka Miyamoto (OFC, 2018)

120-GBaud 32QAM Signal Generation using Ultra-Broadband Electrical Bandwidth Doubler. - Fukutaro Hamaoka; Masanori Nakamura; Munehiko Nagatani; Takayuki Kobayashi; Asuka Matsushita; Hitoshi Wakita; Hiroshi Yamazaki; Hideyuki Nosaka; Yutaka Miyamoto (OFC, 2019)

64-GBd PDM-256QAM and 92-GBd PDM-64QAM Signal Generation using Precise-Digital-Calibration aided by Optical-Equalization. - Asuka Matsushita; Masanori Nakamura; Kengo Horikoshi; Seiji Okamoto; Fukutaro Hamaoka; Yoshiaki Kisaka (OFC, 2019)

1.04 Tbps/Carrier Probabilistically Shaped PDM-64QAM WDM Transmission Over 240 km Based on Electrical Spectrum Synthesis. - Masanori Nakamura; Fukutaro Hamaoka; Munehiko Nagatani; Hiroshi Yamazaki; Takayuki Kobayashi; Asuka Matsushita; Seiji Okamoto; Hitoshi Wakita; Hideyuki Nosaka; Yutaka Miyamoto (OFC, 2019)

Low Complexity Sub-Band Digital Back Propagation. - Seiji Okamoto; Kengo Horikoshi; Masanori Nakamura; Asuka Matsushita; Fukutaro Hamaoka; Yoshiaki Kisaka (OFC, 2019)

Experimental Analysis of Laser Phase Noise Tolerance of Uniform 256QAM and Probabilistically Shaped 1024QAM. - Takeo Sasai; Asuka Matsushita; Masanori Nakamura; Seiji Okamoto; Fukutaro Hamaoka; Yoshiaki Kisaka (OFC, 2019)

Dual-Carrier 1-Tb/s Transmission Over Field-Deployed Large-Core Pure-Silica-Core Fiber Link Using Real-Time Transponder. - Fukutaro Hamaoka; Takeo Sasai; Kohei Saito; Takayuki Kobayashi; Asuka Matsushita; Masanori Nakamura; Hiroki Taniguchi; Shoichiro Kuwahara; Hiroki Kawahara; Takeshi Seki; Josuke Ozaki; Yoshihiro Ogiso; et al. (OECC/PSC, 2019)

Simultaneous Detection of Anomaly Points and Fiber Types in Multi-Span Transmission Links Only by Receiver-Side Digital Signal Processing. - Takeo Sasai; Masanori Nakamura; Seiji Okamoto; Fukutaro Hamaoka; Shuto Yamamoto; Etsushi Yamazaki; Asuka Matsushita; Hideki Nishizawa; Yoshiaki Kisaka (OFC, 2020)

Dual-Carrier 1-Tb/s Transmission Over Field-Deployed G.654.E Fiber Link Using Real-Time Transponder. - Fukutaro Hamaoka; Takeo Sasai; Kohei Saito; Takayuki Kobayashi; Asuka Matsushita; Masanori Nakamura; Hiroki Taniguchi; Shoichiro Kuwahara; Hiroki Kawahara; Takeshi Seki; Josuke Ozaki; Yoshihiro Ogiso; et al. (IEICE Trans. Commun., 2020)