High-accuracy, sub-μs wavelength switching with thermal drift suppression in tunable distributed amplification (TDA-) DFB laser array. - Takuya Kanai; Nobuhiro Nunoya; Takayuki Yamanaka; Ryuzo Iga; Makoto Shimokozono; Hiroyuki Ishii (OFC/NFOEC, 2013)

2-µm wavelength tunable distributed Bragg reflector laser. - Takuya Kanai; Naoki Fujiwara; Yoshitaka Ohiso; Hiroyuki Ishii; Makoto Shimokozono; Mikitaka Itoh (IEICE Electron. Express, 2016)

First-time Demonstration of Automatic Service Restoration by Using Inter-Central-Office OLT handover and Optical Path Switching in Metro-Access Network. - Takuya Kanai; Yumiko Senoo; Kota Asaka; Jun Sugawa; Hideaki Tamai; Hiroyuki Saito; Naoki Minato; Atsushi Oguri; Seiya Sumita; Takehiro Sato; Nobuhiko Kikuchi; Shun-ichi Matsushita; et al. (ECOC, 2017)

Real-time demonstration of fairness-aware dynamic subcarrier allocation for adaptive modulation in elastic lambda aggregation network. - Yumiko Senoo; Kota Asaka; Takuya Kanai; Jun Sugawa; Koji Wakayama; Ken-Ichi Suzuki; Akihiro Otaka (OFC, 2017)

Fairness-Aware Dynamic Sub-Carrier Allocation in Distance-Adaptive Modulation OFDMA-PON for Elastic Lambda Aggregation Networks. - Yumiko Senoo; Kota Asaka; Takuya Kanai; Jun Sugawa; Hiroyuki Saito; Hideaki Tamai; Naoki Minato; Ken-Ichi Suzuki; Akihiro Otaka (JOCN, 2017)

Wide-Range Frequency Offset Compensation for CPFSK Used as TOM-Based Digital Coherent PON's Upstream Signals. - Takuya Kanai; Masamichi Fujiwara; Ryo Koma; Ryo Igarashi 001; Noriko Iiyama; Junichi Kani; Akihiro Otaka (ECOC, 2018)

Wide Range Carrier Frequency Offset Estimation Method using Training Symbols with Asymmetric Constellations for Burst-Mode Coherent Reception. - Ryo Koma; Masamichi Fujiwara; Ryo Igarashi 001; Takuya Kanai; Junichi Kani; Akihiro Otaka (OFC, 2018)

Raman Amplification Based 40 km Reach 10G-EPON for Consolidation on the Central Office Building. - Ryo Igarashi 001; Masamichi Fujiwara; Takuya Kanai; Junichi Kani; Jun Terada (OECC/PSC, 2019)

Bus-Type Optical Access using DRA and Asymmetric Power Splitters for Accommodating Rural Users. - Ryo Igarashi 001; Masamichi Fujiwara; Takuya Kanai; Kazutaka Hara; Atsuko Kawakita; Hiro Suzuki; Junichi Kani; Jun Terada (OFC, 2020)

Real-Time Demonstration of 20-Gb/s QPSK Burst-Mode Digital Coherent Reception for PON Upstream under Clock Frequency Mismatch of 1.0 MHz. - Noriko Iiyama; Masamichi Fujiwara; Takuya Kanai; Hiro Suzuki; Junichi Kani; Jun Terada (OFC, 2020)

Reach Extension of 10G-EPON Upstream Transmission Using Distributed Raman Amplification and SOA. - Ryo Igarashi 001; Masamichi Fujiwara; Takuya Kanai; Hiro Suzuki; Junichi Kani; Jun Terada (IEICE Trans. Commun., 2020)

In-Line Protocol-Independent Control and Management Method in End-to-End Optical Connections via Photonic Gateway. - Takuya Kanai; Shin Kaneko; Kazutaka Hara; Junichi Kani; Tomoaki Yoshida (ECOC, 2021)

Novel EA-DFB Mode-Switching Transmitter Supporting Continuous Phase Frequency Shift Keying and Intensity Modulation for All-Photonics Network. - Ryo Koma; Kazutaka Hara; Takuya Kanai; Junichi Kani; Tomoaki Yoshida (ECOC, 2021)

Photonic Gateway for Direct and Protocol-Independent End-to-End User Connections. - Kazuaki Honda; Takuya Kanai; Yasunari Tanaka; Kazutaka Hara; Shin Kaneko; Jun-ichi Kani; Tomoaki Yoshida (OFC, 2021)

Demonstration of In-Service Protocol-independent End-to-End Optical Path Control and Restoration in All-Photonics Network. - Yumiko Senoo; Shin Kaneko; Takuya Kanai; Naotaka Shibata; Jun-ichi Kani; Tomoaki Yoshida (OFC, 2022)