Kazushige YONENAGA


400Gbit/s/ch Field Demonstration of Modulation Format Adaptation Based on Pilot-Aided OSNR Estimation Using Real-Time DSP
Seiji OKAMOTO Kazushige YONENAGA Kengo HORIKOSHI Mitsuteru YOSHIDA Yutaka MIYAMOTO Masahito TOMIZAWA Takeshi OKAMOTO Hidemi NOGUCHI Jun-ichi ABE Junichiro MATSUI Hisao NAKASHIMA Yuichi AKIYAMA Takeshi HOSHIDA Hiroshi ONAKA Kenya SUGIHARA Soichiro KAMETANI Kazuo KUBO Takashi SUGIHARA 
Publication:   
Publication Date: 2017/10/01
Vol. E100-B  No. 10  pp. 1726-1733
Type of Manuscript:  INVITED PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
adaptive modulationfield trialreal-time DSP400Gbit/s
 Summary | Full Text:PDF(4.3MB)

Elastic Optical Path Network Architecture: Framework for Spectrally-Efficient and Scalable Future Optical Networks
Masahiko JINNO Hidehiko TAKARA Yoshiaki SONE Kazushige YONENAGA Akira HIRANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/03/01
Vol. E95-B  No. 3  pp. 706-713
Type of Manuscript:  INVITED PAPER (Special Section on New/Next Generation Photonic Networking and Future Networks)
Category: 
Keyword: 
optical networkWDMIP networkelastic optical pathspectrum efficiency
 Summary | Full Text:PDF(941.7KB)

Distance-Adaptive Path Allocation in Elastic Optical Path Networks
Bartlomiej KOZICKI Hidehiko TAKARA Takafumi TANAKA Yoshiaki SONE Akira HIRANO Kazushige YONENAGA Masahiko JINNO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Vol. E94-B  No. 7  pp. 1823-1830
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
all-optical networksfiber optics links and subsystemsadaptive modulationquadrature-amplitude modulationquadrature phase-shift keying
 Summary | Full Text:PDF(2.6MB)

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
 Summary | Full Text:PDF(1MB)

Dispersion Tolerant 80-Gbit/s Carrier-Suppressed Return-to-Zero (CS-RZ) Format Generated by Using Phase- and Duty-Controlled Optical Time Division Multiplexing (OTDM) Technique
Akira HIRANO Masaki ASOBE Kenji SATO Yutaka MIYAMOTO Kazushige YONENAGA Hiroshi MIYAZAWA Makoto ABE Hidehiko TAKARA Ippei SHAKE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/02/01
Vol. E85-B  No. 2  pp. 431-437
Type of Manuscript:  Special Section PAPER (Special Issue on 40 Gbit/s Optical Transmission Technologies)
Category: 
Keyword: 
CS-RZOTDMdispersion tolerancePLC
 Summary | Full Text:PDF(558.4KB)

N 40-Gbit/s DWDM Transport System Using Novel Return-to-Zero Formats with Modulation Bandwidth Reduction
Yutaka MIYAMOTO Kazushige YONENAGA Akira HIRANO Masahito TOMIZAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/02/01
Vol. E85-B  No. 2  pp. 374-385
Type of Manuscript:  INVITED PAPER (Special Issue on 40 Gbit/s Optical Transmission Technologies)
Category: 
Keyword: 
modulation format40 Gbit/sduobinaryCS-RZDCS-RZ
 Summary | Full Text:PDF(1.1MB)

Design Consideration on 43 Gbit/s OTN Line Terminal
Takashi ONO Masahito TOMIZAWA Tomoyoshi KATAOKA Akihiko MATSUURA Yoshiaki KISAKA Yutaka MIYAMOTO Kazushige YONENAGA Shoichiro KUWAHARA Yasuhiko TADA Hiromu TOBA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/02/01
Vol. E85-B  No. 2  pp. 423-430
Type of Manuscript:  Special Section PAPER (Special Issue on 40 Gbit/s Optical Transmission Technologies)
Category: 
Keyword: 
OTNmultiple clientsFECGbEperformance monitor
 Summary | Full Text:PDF(1.1MB)

High Power Tolerant Optical Duobinary Signal Transmission
Akihiko MATSUURA Kazushige YONENAGA Yutaka MIYAMOTO Akihide SANO Hiromu TOBA Mikio YONEYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/05/01
Vol. E84-C  No. 5  pp. 547-552
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Systems and Technologies
Keyword: 
optical duobinary signalchromatic dispersionSDH
 Summary | Full Text:PDF(489.4KB)

High Power Tolerant Optical Duobinary Signal Transmission
Akihiko MATSUURA Kazushige YONENAGA Yutaka MIYAMOTO Akihide SANO Hiromu TOBA Mikio YONEYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/05/01
Vol. E84-B  No. 5  pp. 1173-1178
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Systems and Technologies
Keyword: 
optical duobinary signalchromatic dispersionSDH
 Summary | Full Text:PDF(488.4KB)

Properties of Photon Distribution of Squeezed State in Loss Channel
Seitetsu BUN Kazushige YONENAGA Kouichi YAMAZAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/09/25
Vol. E74-A  No. 9  pp. 2586-2595
Type of Manuscript:  Special Section PAPER (Special Issue on Information Theory and Its Applications)
Category: 
Keyword: 
 Summary | Full Text:PDF(580.3KB)