Masamichi Fujiwara

According to our database, Masamichi Fujiwara authored at least 26 papers between 2009 and 2020.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2020

Reach Extension of 10G-EPON Upstream Transmission Using Distributed Raman Amplification and SOA.

Ryo Igarashi, Masamichi Fujiwara, Takuya Kanai, Hiro Suzuki, Junichi Kani, Jun Terada

IEICE Trans. Commun., 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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

Bus-Type Optical Access using DRA and Asymmetric Power Splitters for Accommodating Rural Users.

Ryo Igarashi, Masamichi Fujiwara, Takuya Kanai, Kazutaka Hara, Atsuko Kawakita, Hiro Suzuki, Junichi Kani, Jun Terada

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020

2019

Raman Amplification Based 40 km Reach 10G-EPON for Consolidation on the Central Office Building.

Ryo Igarashi, Masamichi Fujiwara, Takuya Kanai, Junichi Kani, Jun Terada

Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019

2018

Burst-Mode Digital Signal Processing That Pre-Calculates FIR Filter Coefficients for Digital Coherent PON Upstream.

Ryo Koma, Masamichi Fujiwara, Jun-ichi Kani, Ken-Ichi Suzuki, Akihiro Otaka

JOCN, 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, Takuya Kanai, Junichi Kani, Akihiro Otaka

Proceedings of the Optical Fiber Communications Conference and Exposition, 2018

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, Noriko Iiyama, Junichi Kani, Akihiro Otaka

Proceedings of the European Conference on Optical Communication, 2018

2017

Increasing Splitting Ratio of Extended-Reach WDM/TDM-PON by Using Central Office Sited Automatic Gain Controlled SOAs.

Masamichi Fujiwara, Ryo Koma

IEICE Trans. Commun., 2017

Performance evaluation of CPFSK transmitters for TDM-based digital coherent PON upstream.

Masamichi Fujiwara, Ryo Koma, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017

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.

Ryo Koma, Masamichi Fujiwara, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka

Proceedings of the European Conference on Optical Communication, 2017

2016

Wide dynamic range burst-mode digital coherent detection using fast ALC-EDFA and pre-calculation of FIR filter coefficients.

Ryo Koma, Masamichi Fujiwara, Junichi Kani, Ken-Ichi Suzuki, Akihiro Otaka

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

2015

High-Splitting-Ratio PON Systems Using a PLC-Based Funnel-Shaped Waveguide With Dual-Mode Fiber [Invited].

Masamichi Fujiwara, Ken-Ichi Suzuki, Manabu Oguma, Shunichi Soma, Naoto Yoshimoto

JOCN, 2015

First field trial of 40-km reach and 1024-split symmetric-rate 40-Gbit/s X-tunable WDM/TDM-PON.

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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

High-splitting-ratio WDM/TDM-PONs using automatic gain controlled SOAs designed for central office use.

Masamichi Fujiwara, Ryo Koma, Katsuhisa Taguchi

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015

Compact bi-directional EDFAs to support extended power budget class of TWDM-PON.

Masamichi Fujiwara, Ryo Koma, Ken-Ichi Suzuki, Akihiro Otaka

Proceedings of the European Conference on Optical Communication, 2015

2014

Effective ONU Accommodation through PON Systems with Multi-Stage Splitter Configuration Using ALC Burst-Mode SOAs.

Masamichi Fujiwara, Ken-Ichi Suzuki, Naoto Yoshimoto

IEICE Trans. Commun., 2014

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.

Masamichi Fujiwara, Ken-Ichi Suzuki, Naoto Yoshimoto, Manabu Oguma, Shunichi Soma

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

Gain-controlled optical amplifier technologies for long-reach and high-splitting-ratio PON systems.

Masamichi Fujiwara

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014

Wide dynamic range burst-mode reception of symmetrically clipped DCO-OFDM using optical domain power equalizer.

Ryo Koma, Masamichi Fujiwara, Shunji Kimura, Naoto Yoshimoto, Hideaki Kimura

Proceedings of the European Conference on Optical Communication, 2014

2012

ALC Burst-Mode Optical Fiber Amplifiers for 10 Gb/s-Class Long-Reach PONs.

Masamichi Fujiwara, Ken-Ichi Suzuki, Takeshi Imai, Katsuhisa Taguchi, Hiroshi Ishii, Naoto Yoshimoto

JOCN, 2012

Effect of forward error correction on spectral sliced WDM/TDMA-PON system.

Takashi Mitsui, Kazutaka Hara, Masamichi Fujiwara, Junichi Kani, Masashi Tadokoro, Naoto Yoshimoto

IEICE Electron. Express, 2012

1G / 10G coexistence long-reach PON system using ALC burst-mode SOAs.

Masamichi Fujiwara, Ken-Ichi Suzuki, Katsuhisa Taguchi, Takeshi Imai, Hiroshi Ishii, Naoto Yoshimoto

IEICE Electron. Express, 2012

2011

Optically-amplified PON system using XGM-based ALC technique.

Katsuhisa Taguchi, Masamichi Fujiwara, Takeshi Imai, Ken-Ichi Suzuki, Hiroshi Ishii, Naoto Yoshimoto

IEICE Electron. Express, 2011

2009

Remote Frequency Stabilization Technique by Using MZI-AWG and Supervisory Frame Transfer in Coexistence-Type WDM-PON.

Masamichi Fujiwara, Tetsuya Suzuki, Hiro Suzuki, Takuya Tanaka, Naoki Ooba, Hideaki Kimura, Kiyomi Kumozaki

JOCN, 2009

Loss budget in single-fiber loopback access networks with ASE light source considering gain compression effect of GS-SOA.

Masamichi Fujiwara, Hiro Suzuki, Hideaki Kimura, Kiyomi Kumozaki

IEICE Electron. Express, 2009

Reducing the backreflection impact by using homodyne detection in WDM single-fiber loopback access networks.

Masamichi Fujiwara, Shin Kaneko, Hideaki Kimura, Naoto Yoshimoto, Kiyomi Kumozaki

IEICE Electron. Express, 2009