Reduction of phase-difference deviation in 90° optical hybrid over wide wavelength range. - Yohei Sakamaki; Yusuke Nasu; Toshikazu Hashimoto; Kuninori Hattori; Takashi Saida; Hiroshi Takahashi (IEICE Electron. Express, 2010)

Compact and Athermal DQPSK Demodulator with Silica-Based Planar Lightwave Circuit. - Yusuke Nasu; Yohei Sakamaki; Kuninori Hattori; Shin Kamei; Toshikazu Hashimoto; Takashi Saida; Hiroshi Takahashi; Yasuyuki Inoue (IEICE Trans. Electron., 2010)

PAPR management of all-optical OFDM signal using fractional fourier transform for fibre nonlinearity mitigation. - Tomotaka Nagashima; Gabriella Cincotti; Takuya Murakawa; Satoshi Shimizu; M. Hasegawa; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Tsuyoshi Konishi (ECOC, 2015)

Fractional OFDM based transmitter and receiver for time/frequency multiplexing in gridless, elastic networks. - Takuya Murakawa; Gabriella Cincotti; Satoshi Shimizu; Tomotaka Nagashima; M. Hasegawa; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Tsuyoshi Konishi (OFC, 2015)

Power efficient optical serial-to-parallel conversion using fractional OFDM-based linear technique. - Motoki Hiraoka; Tomotaka Nagashima; Gabriella Cincotti; Satoshi Shimizu; Yu Yamasaki; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Tsuyoshi Konishi (IEICE Electron. Express, 2017)

Enhanced Optical Communications Through Joint Time-Frequency Multiplexing Strategies. - Tsuyoshi Konishi; Takuya Murakawa; Tomotaka Nagashima; Satoshi Shimizu; Makoto Hasegawa; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Takahiro Kodama; et al. (OFC, 2019)

Suppression Effect on Nonlinear Distortion in Long Haul Transmission using Fractional OFDM Subcarriers. - Yu Yamasaki; Tomotaka Nagashima; Gabriella Cincotti; Satoshi Shimizu; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Tsuyoshi Konishi (OECC/PSC, 2019)

Experimental emulation of nonlinear distortion suppression by FrOFDM subcarriers. - Yu Yamasaki; Tomotaka Nagashima; Gabriella Cincotti; Satoshi Shimizu; Kuninori Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Naoya Wada; Hiroyuki Uenohara; Tsuyoshi Konishi (IEICE Electron. Express, 2020)