Masamichi Fujiwara

30 papers Journal 13Unranked 17
YearRankTypeTitle / Venue / Authors
2025 — conf
Polarization-independent Optical-carrier-distribution Scheme for Metro-access Converged DC Interconnects.
OFC
Ritsuki Hamagami, Masamichi Fujiwara, Shin Kaneko, Jun-ichi Kani, Tomoaki Yoshida
2024 — conf
Converged Inter/Intra All-Optical DC Network Externally Distributing Optical Carriers to Coherent Transceivers.
OFC
Ritsuki Hamagami, Masamichi Fujiwara, Naotaka Shibata, Shin Kaneko, Jun-ichi Kani, Tomoaki Yoshida
2024 J jnl
Photonic gateway architecture extension and guard time-free initial connection method with point-to-multipoint remote control for metro/access converged all-photonics network.
J. Opt. Commun. Netw.
Shin Kaneko, Yasutaka Kimura, Ryo Igarashi, Naotaka Shibata, Takahiro Suzuki, Masamichi Fujiwara, Jun-ichi Kani, Tomoaki Yoshida
2024 — conf
Port-Agnostic Path Establishment with Point-to-Multipoint Control of Remote User Terminals for Metro/Access-Integrated All-Photonics Network.
OFC
Ryo Igarashi, Shin Kaneko, Yasutaka Kimura, Naotaka Shibata, Takahiro Suzuki, Masamichi Fujiwara, Jun-ichi Kani, Tomoaki Yoshida
2020 — conf
Bus-Type Optical Access using DRA and Asymmetric Power Splitters for Accommodating Rural Users.
OFC
Ryo Igarashi, Masamichi Fujiwara, Takuya Kanai, Kazutaka Hara, Atsuko Kawakita, Hiro Suzuki, Junichi Kani, Jun Terada
2020 J jnl
Reach Extension of 10G-EPON Upstream Transmission Using Distributed Raman Amplification and SOA.
IEICE Trans. Commun.
Ryo Igarashi, Masamichi Fujiwara, Takuya Kanai, Hiro Suzuki, Junichi Kani, Jun Terada
2020 — conf
Real-Time Demonstration of 20-Gb/s QPSK Burst-Mode Digital Coherent Reception for PON Upstream under Clock Frequency Mismatch of 1.0 MHz.
OFC
Noriko Iiyama, Masamichi Fujiwara, Takuya Kanai, Hiro Suzuki, Junichi Kani, Jun Terada
2019 — conf
Raman Amplification Based 40 km Reach 10G-EPON for Consolidation on the Central Office Building.
OECC/PSC
Ryo Igarashi, Masamichi Fujiwara, Takuya Kanai, Junichi Kani, Jun Terada
2018 J jnl
Burst-Mode Digital Signal Processing That Pre-Calculates FIR Filter Coefficients for Digital Coherent PON Upstream.
JOCN
Ryo Koma, Masamichi Fujiwara, Jun-ichi Kani, Ken-Ichi Suzuki, Akihiro Otaka
2018 — conf
Wide Range Carrier Frequency Offset Estimation Method using Training Symbols with Asymmetric Constellations for Burst-Mode Coherent Reception.
OFC
Ryo Koma, Masamichi Fujiwara, Ryo Igarashi, Takuya Kanai, Junichi Kani, Akihiro Otaka
2018 — conf
Wide-Range Frequency Offset Compensation for CPFSK Used as TOM-Based Digital Coherent PON's Upstream Signals.
ECOC
Takuya Kanai, Masamichi Fujiwara, Ryo Koma, Ryo Igarashi, Noriko Iiyama, Junichi Kani, Akihiro Otaka
2017 — conf
High Sensitivity and Wide Dynamic Range Burst-Mode Coherent Receiver that Controls Gains of a SOA and TIAs for Long-Reach and High-Splitting-Ratio PON.
ECOC
Ryo Koma, Masamichi Fujiwara, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka
2017 J jnl
Increasing Splitting Ratio of Extended-Reach WDM/TDM-PON by Using Central Office Sited Automatic Gain Controlled SOAs.
IEICE Trans. Commun.
Masamichi Fujiwara, Ryo Koma
2017 — conf
Performance evaluation of CPFSK transmitters for TDM-based digital coherent PON upstream.
OFC
Masamichi Fujiwara, Ryo Koma, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka
2016 — conf
Wide dynamic range burst-mode digital coherent detection using fast ALC-EDFA and pre-calculation of FIR filter coefficients.
OFC
Ryo Koma, Masamichi Fujiwara, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka
2015 — conf
Compact bi-directional EDFAs to support extended power budget class of TWDM-PON.
ECOC
Masamichi Fujiwara, Ryo Koma, Ken-Ichi Suzuki, Akihiro Otaka
2015 — conf
First field trial of 40-km reach and 1024-split symmetric-rate 40-Gbit/s X-tunable WDM/TDM-PON.
OFC
Katsuhisa Taguchi, Kota Asaka, Masamichi Fujiwara, Shin Kaneko, Tomoaki Yoshida, Yoshikazu Fujita, Hideyuki Iwamura, Masayuki Kashima, Satoshi Furusawa, Masahiro Sarashina, Hideaki Tamai, Akiya Suzuki, Toshiaki Mukojima, Shunji Kimura, Ken-Ichi Suzuki, Akihiro Otaka
2015 J jnl
High-Splitting-Ratio PON Systems Using a PLC-Based Funnel-Shaped Waveguide With Dual-Mode Fiber [Invited].
JOCN
Masamichi Fujiwara, Ken-Ichi Suzuki, Manabu Oguma, Shunichi Soma, Naoto Yoshimoto
2015 — conf
High-splitting-ratio WDM/TDM-PONs using automatic gain controlled SOAs designed for central office use.
OFC
Masamichi Fujiwara, Ryo Koma, Katsuhisa Taguchi
2014 J jnl
Effective ONU Accommodation through PON Systems with Multi-Stage Splitter Configuration Using ALC Burst-Mode SOAs.
IEICE Trans. Commun.
Masamichi Fujiwara, Ken-Ichi Suzuki, Naoto Yoshimoto
2014 — conf
Gain-controlled optical amplifier technologies for long-reach and high-splitting-ratio PON systems.
OFC
Masamichi Fujiwara
2014 — conf
Increasing splitting ratio of 10Gb/s-class PONs by using FW-DMF that acts as low loss splitter for upstream and conventional splitter for downstream.
OFC
Masamichi Fujiwara, Ken-Ichi Suzuki, Naoto Yoshimoto, Manabu Oguma, Shunichi Soma
2014 — conf
Wide dynamic range burst-mode reception of symmetrically clipped DCO-OFDM using optical domain power equalizer.
ECOC
Ryo Koma, Masamichi Fujiwara, Shunji Kimura, Naoto Yoshimoto, Hideaki Kimura
2012 J jnl
1G / 10G coexistence long-reach PON system using ALC burst-mode SOAs.
IEICE Electron. Express
Masamichi Fujiwara, Ken-Ichi Suzuki, Katsuhisa Taguchi, Takeshi Imai, Hiroshi Ishii, Naoto Yoshimoto
2012 J jnl
ALC Burst-Mode Optical Fiber Amplifiers for 10 Gb/s-Class Long-Reach PONs.
JOCN
Masamichi Fujiwara, Ken-Ichi Suzuki, Takeshi Imai, Katsuhisa Taguchi, Hiroshi Ishii, Naoto Yoshimoto
2012 J jnl
Effect of forward error correction on spectral sliced WDM/TDMA-PON system.
IEICE Electron. Express
Takashi Mitsui, Kazutaka Hara, Masamichi Fujiwara, Junichi Kani, Masashi Tadokoro, Naoto Yoshimoto
2011 J jnl
Optically-amplified PON system using XGM-based ALC technique.
IEICE Electron. Express
Katsuhisa Taguchi, Masamichi Fujiwara, Takeshi Imai, Ken-Ichi Suzuki, Hiroshi Ishii, Naoto Yoshimoto
2009 J jnl
Loss budget in single-fiber loopback access networks with ASE light source considering gain compression effect of GS-SOA.
IEICE Electron. Express
Masamichi Fujiwara, Hiro Suzuki, Hideaki Kimura, Kiyomi Kumozaki
2009 J jnl
Reducing the backreflection impact by using homodyne detection in WDM single-fiber loopback access networks.
IEICE Electron. Express
Masamichi Fujiwara, Shin Kaneko, Hideaki Kimura, Naoto Yoshimoto, Kiyomi Kumozaki
2009 J jnl
Remote Frequency Stabilization Technique by Using MZI-AWG and Supervisory Frame Transfer in Coexistence-Type WDM-PON.
JOCN
Masamichi Fujiwara, Tetsuya Suzuki, Hiro Suzuki, Takuya Tanaka, Naoki Ooba, Hideaki Kimura, Kiyomi Kumozaki