Yasufumi YAMADA


Hybrid External Cavity Lasers Composed of Spot-Size Converter Integrated LDs and UV Written Bragg Gratings in a Planar Lightwave Circuit on Si
Takuya TANAKA Hiroshi TAKAHASHI Yoshinori HIBINO Toshikazu HASHIMOTO Akira HIMENO Yasufumi YAMADA Yuichi TOHMORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/06/25
Vol. E83-C  No. 6  pp. 875-883
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Optical Devices for Next Generation High-Speed Communication Systems and Photonic Networks)
Category: WDM Network Devices
Keyword: 
external cavity laserhybrid integrationgratingmultiwavelength laserPLC
 Summary | Full Text:PDF(1.3MB)

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(2.3MB)

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(2.3MB)

Polarization Independent Semiconductor Optical Amplifier Gate and Its Application in WDM Systems
Toshio ITO Naoto YOSHIMOTO Osamu MITOMI Katsuaki MAGARI Ikuo OGAWA Fumihiro EBISAWA Yasufumi YAMADA Yuji HASUMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/08/25
Vol. E81-C  No. 8  pp. 1237-1244
Type of Manuscript:  Special Section PAPER (Special Issue on High-Capacity WDM/TDM Networks)
Category: 
Keyword: 
semiconductor optical amplifiergate arrayspot-size converterpolarization independencewavelength selector
 Summary | Full Text:PDF(826.2KB)

Low-Cost Hybrid WDM Module Consisting of a Spot-Size Converter Integrated Laser Diode and a Waveguide Photodiode on a PLC Platform for Access Network Systems
Naoto UCHIDA Yasufumi YAMADA Yoshinori HIBINO Yasuhiro SUZUKI Noboru ISHIHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/01/25
Vol. E80-C  No. 1  pp. 88-97
Type of Manuscript:  INVITED PAPER (Special Issue on Devices, Packaging Technology, and Subsystems for the Optical Access Network)
Category: Module and packaging technology
Keyword: 
optical modulehybrid integrationplanar lightwave circuitlarge spot-size laser diodepassive alignmentaccess network
 Summary | Full Text:PDF(908.4KB)

Effect of Waveguide Facet Reflection on Hybrid-Integrated Optical Gate Switch
Yasufumi YAMADA Yasuji OHMORI Makoto YAMADA Hiroshi TERUI Morio KOBAYASHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/04/25
Vol. E72-E  No. 4  pp. 282-284
Type of Manuscript:  Special Section LETTER (Special Issue on 1989 Spring National Convention IEICE)
Category: Optoelectronics
Keyword: 
 Summary | Full Text:PDF(169.8KB)

High-Silica Guided-Wave Hybrid Optical Transmitting-Receiving Module
Shin SUMIDA Yasufumi YAMADA Mitsuho YASU Masao KAWACHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 352-354
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Optical Communication and Cables
Keyword: 
 Summary | Full Text:PDF(226KB)