Kazutoshi KATO


Novel Lightwave-Interferometric Phase Detection for Phase Stabilization of Two-Tone Coherent Millimeter-Wave/Microwave Carrier Generation
Shota TAKEUCHI Kazuki SAKUMA Kazutoshi KATO Yasuyuki YOSHIMIZU Yu YASUDA Shintaro HISATAKE Tadao NAGATSUMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/09/01
Vol. E99-C  No. 9  pp. 1048-1055
Type of Manuscript:  PAPER
Category: Optoelectronics
Keyword: 
millimeter-wave/microwave generationphase stabilizationMach-Zehnder interferometerphotomixing
 Summary | Full Text:PDF

Split pump region in 1.55 μm InGaAsP/InGaAsP asymmetric active multi-mode interferometer laser diode for improved modulation bandwidth
Mohammad NASIR UDDIN Takaaki KIZU Yasuhiro HINOKUMA Kazuhiro TANABE Akio TAJIMA Kazutoshi KATO Kiichi HAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/07/01
Vol. E97-C  No. 7  pp. 781-786
Type of Manuscript:  Special Section PAPER (Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
Active multimode interferometer laser diodeModulation frequency enhancementSplit pumping sectionSemiconductor laser diodeMultiple quantum well (MQW) laser diode
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New Planar Lightwave Circuit (PLC) Platform Eliminating Si Terraces and Its Application to Opto-electronic Hybrid Integrated Modules
Takashi YAMADA Toshikazu HASHIMOTO Takaharu OHYAMA Yuji AKAHORI Akimasa KANEKO Kazutoshi KATO Ryouichi KASAHARA Mikitaka ITO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/05/01
Vol. E84-B  No. 5  pp. 1311-1318
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Passive Devices and Modules
Keyword: 
PLC platform structure eliminating Si terraceshybrid integration techniqueoptical transceiver module8-channel multi-wavelength photoreceiver
 Summary | Full Text:PDF

New Planar Lightwave Circuit (PLC) Platform Eliminating Si Terraces and Its Application to Opto-electronic Hybrid Integrated Modules
Takashi YAMADA Toshikazu HASHIMOTO Takaharu OHYAMA Yuji AKAHORI Akimasa KANEKO Kazutoshi KATO Ryouichi KASAHARA Mikitaka ITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/05/01
Vol. E84-C  No. 5  pp. 685-692
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Passive Devices and Modules
Keyword: 
PLC platform structure eliminating Si terraceshybrid integration techniqueoptical transceiver module8-channel multi-wavelength photoreceiver
 Summary | Full Text:PDF

10-Gbit/s InP-Based High-Performance Monolithic Photoreceivers Consisting of p-i-n Photodiodes and HEMT's
Kiyoto TAKAHATA Yoshifumi MURAMOTO Kazutoshi KATO Yuji AKATSU Atsuo KOZEN Yuji AKAHORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/06/25
Vol. E83-C  No. 6  pp. 950-958
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Optical Devices for Next Generation High-Speed Communication Systems and Photonic Networks)
Category: High-Speed Optical Devices
Keyword: 
integrated optoelectronicsoptical receiverswaveguide p-i-n photodiodesHEMT
 Summary | Full Text:PDF

1.3/1.55-µm Full-Duplex WDM Optical Transceiver Modules for ATM-PON (PDS) Systems Using PLC-Hybrid-Integration and CMOS-IC Technologies
Takeshi KUROSAKI Toshikazu HASHIMOTO Noboru ISHIHARA Yasuhiro SUZUKI Masahiro YANAGISAWA Hideaki KIMURA Makoto NAKAMURA Yuichi TOHMORI Kazutoshi KATO Yoshihiro KAWAGUCHI Yuji AKAHORI Yasufumi YAMADA Kuniharu KATO Hiromu TOBA Junichi YOSHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/08/25
Vol. E82-C  No. 8  pp. 1465-1474
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Active Devices and Modules
Keyword: 
optical transceiver modulePLChybrid integrationCMOS ICATM PONfull-duplex operation
 Summary | Full Text:PDF

1.3/1.55-µm Full-Duplex WDM Optical Transceiver Modules for ATM-PON (PDS) Systems Using PLC-Hybrid-Integration and CMOS-IC Technologies
Takeshi KUROSAKI Toshikazu HASHIMOTO Noboru ISHIHARA Yasuhiro SUZUKI Masahiro YANAGISAWA Hideaki KIMURA Makoto NAKAMURA Yuichi TOHMORI Kazutoshi KATO Yoshihiro KAWAGUCHI Yuji AKAHORI Yasufumi YAMADA Kuniharu KATO Hiromu TOBA Junichi YOSHIDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/08/25
Vol. E82-B  No. 8  pp. 1199-1208
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Active Devices and Modules
Keyword: 
optical transceiver modulePLChybrid integrationCMOS ICATM PONfull-duplex operation
 Summary | Full Text:PDF

Long-Wavelength Photodetectors for Ultrawide-Band Systems
Kazutoshi KATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/01/25
Vol. E79-C  No. 1  pp. 14-20
Type of Manuscript:  INVITED PAPER (Special Issue on Optomicrowave Techniques and Their Applications)
Category: Optomicrowave Devices
Keyword: 
p-i-n photodetectorwaveguidelong wavelength
 Summary | Full Text:PDF

Design of Ultrawide-Band, High-Sensitivity p-i-n Protodetectors
Kazutoshi KATO Susumu HATA Kenji KAWANO Atsuo KOZEN 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/02/25
Vol. E76-C  No. 2  pp. 214-221
Type of Manuscript:  Special Section PAPER (Special Issue on Optical/Microwave Interaction Devices, Circuits and Systems)
Category: Optical/Microwave Devices
Keyword: 
p-i-n photodetectorsemiconductormicrowavemultimode waveguide
 Summary | Full Text:PDF