Kazuo HAGIMOTO


Optical Transmission Systems Toward Longer Reach and Larger Capacity
Kazuo HAGIMOTO 
Publication:   
Publication Date: 2017/09/01
Vol. E100-B  No. 9  pp. 1696-1706
Type of Manuscript:  INVITED PAPER (Special Issue the Past, Present, and Future of Communications Technologies in the IEICE)
Category: Fiber-Optic Transmission for Communications
Keyword: 
optical amplifiererbium-doped fiber amplifierhigh-speed transmissiondigital coherent transmissiondigital signal processing
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High-Performance Distributed Raman Amplification Systems with Limited Pump Power
Hiroji MASUDA Masahito TOMIZAWA Yutaka MIYAMOTO Kazuo HAGIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 715-723
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
Raman amplificationoptical communication system
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1 Tbit/s (25 43 Gbit/s) Field Trial Using 43-Gbit/s/ch OTN Interface Prototype
Shoichiro KUWAHARA Kazushige YONENAGA Yutaka MIYAMOTO Yoshiaki KISAKA Kenji SATO Akira HIRANO Takashi ONO Akihiko MATSUURA Masahito TOMIZAWA Tomoyoshi KATAOKA Yasuhiko TADA Hiromu TOBA Kazuo HAGIMOTO Nobuhiro HIRAYAMA Hirotaka ASAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/02/01
Vol. E85-B  No. 2  pp. 470-477
Type of Manuscript:  Special Section PAPER (Special Issue on 40 Gbit/s Optical Transmission Technologies)
Category: 
Keyword: 
OTNmultiple clientsFECInP HEMTUTC-PD
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Extracted-Clock Power Level Monitoring Scheme for Automatic Dispersion Equalization in High-Speed Optical Transmission Systems
Akihide SANO Yutaka MIYAMOTO Tomoyoshi KATAOKA Masahito TOMIZAWA Kazuo HAGIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/11/01
Vol. E84-B  No. 11  pp. 2907-2914
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission
Keyword: 
optical communicationdispersion equalizationautomatic equalizationself-phase modulation
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Fault Localization and Supervisory Channel Implementation for Optical Linear-Repeaters in SDH/SONET-Based Networks
Shinji MATSUOKA Kazuyuki MATSHUMURA Yoshiaki SATO Yukio KOBAYASHI Kazuo HAGIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/10/25
Vol. E79-B  No. 10  pp. 1549-1557
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
SDHoptical amplifiersupervisory systemlinear repeaterfault localization
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All-Optical Timing Clock Extraction Using Multiple Wavelength Pumped Brillouin Amplifier
Hiroto KAWAKAMI Yutaka MIYAMOTO Tomoyoshi KATAOKA Kazuo HAGIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/05/25
Vol. E78-B  No. 5  pp. 694-701
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Signal Processing and Its Applications to Telecommunications)
Category: 
Keyword: 
Brillouin amplifieroptical timing extraction quality factorfree spectrum rangeoptical resonator
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FOREWORD
Kazuo HAGIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/04/25
Vol. E77-B  No. 4  pp. 419-420
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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10Gbit/s, 35mV Decision IC Using 0.2µm GaAs MESFETs
Masanobu OHHATA Minoru TOGASHI Koichi MURATA Satoshi YAMAGUCHI Masao SUZUKI Kazuo HAGIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/07/25
Vol. E76-B  No. 7  pp. 745-747
Type of Manuscript:  Special Section LETTER (Special Section of Letters Selected from the 1992 IEICE Fall Conference and the 1993 IEICE Spring Conference)
Category: 
Keyword: 
decision ICdecision circuitGaAs MESFETLSCFLSCFL interfaceSAINT
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Integrated Circuits for Ultra-High-Speed Optical Fiber Transmission Systems
Kohji HOHKAWA Shinji MATSUOKA Kazuo HAGIMOTO Kiyoshi NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/01/25
Vol. E76-C  No. 1  pp. 68-77
Type of Manuscript:  INVITED PAPER (Special Issue on Opto-Electronics and LSI)
Category: LSI Technology for Opto-Electronics
Keyword: 
optical fibertransmission systemLSIGaAsSi
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A 10 Gbit/s Long-Span Fiber Transmission Experiment Employing Optical Amplification Technique and Monolithic IC Technology
Kazuo HAGIMOTO Yuuzou MIYAGAWA Yutaka MIYAMOTO Masaharu OHASHI Masanobu OHHATA Kazuo AIDA Kiyoshi NAKAGAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/01/25
Vol. E73-E  No. 1  pp. 27-30
Type of Manuscript:  Special Section PAPER (Special Issue on International Conference on Integrated Optics and Optical Fiber Communication)
Category: Optical Communication Systems and Applications
Keyword: 
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1.8 Gbit/s Transmission over 210 km Using an Erbium-Doped Fiber Laser Amplifier with 20 dB Repeater Gain in a Direct Detection System
Atsushi TAKADA Kazuo HAGIMOTO Katsumi IWATSUKI Kazuo AIDA Kiyoshi NAKAGAWA Makoto SHIMIZU 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/01/25
Vol. E73-E  No. 1  pp. 21-26
Type of Manuscript:  Special Section PAPER (Special Issue on International Conference on Integrated Optics and Optical Fiber Communication)
Category: Optical Communication Systems and Applications
Keyword: 
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8-Gbit/s Retiming Circuit Using Dielectric Resonator Filter and Active Band-Pass Filter for Optical Regenerator
Norio OHKAWA Kazuo HAGIMOTO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/04/25
Vol. E71-E  No. 4  pp. 376-378
Type of Manuscript:  LETTER
Category: Optical Communication
Keyword: 
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