Hiroyuki YAMAZAKI


Wavelength Tunable Laser with Silica-Waveguide Ring Resonators
Takeshi TAKEUCHI Morio TAKAHASHI Kouichi SUZUKI Shinya WATANABE Hiroyuki YAMAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/02/01
Vol. E92-C  No. 2  pp. 198-204
Type of Manuscript:  INVITED PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category: 
Keyword: 
tunable laserphotonic integrated circuitsilica-waveguidering resonator
 Summary | Full Text:PDF(307.1KB)

Spot-Size-Converter Integrated Laser Diode with Waveguide Width Abruptly Expanded Structure
Hiroyuki YAMAZAKI Yuji FURUSHIMA Yasutaka SAKATA Yuichiro OKUNUKI Yoshihiro SASAKI Keiro KOMATSU 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/06/25
Vol. E83-C  No. 6  pp. 838-844
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Optical Devices for Next Generation High-Speed Communication Systems and Photonic Networks)
Category: Semiconductor Lasers
Keyword: 
laser diodeMOVPEspot size converteraccess networkcoupling loss
 Summary | Full Text:PDF(847.1KB)

The 3D-Packing by Meta Data Structure and Packing Heuristics
Hiroyuki YAMAZAKI Keishi SAKANUSHI Shigetoshi NAKATAKE Yoji KAJITANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/04/25
Vol. E83-A  No. 4  pp. 639-645
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
3D-packingplacementsequence-pairsequence-triplesimulated annealing
 Summary | Full Text:PDF(826KB)

Wide-Wavelength-Range Modulator-Integrated DFB Laser Diodes Fabricated on a Single Wafer
Masayuki YAMAGUCHI Koji KUDO Hiroyuki YAMAZAKI Masashige ISHIZAKA Tatsuya SASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/08/25
Vol. E81-C  No. 8  pp. 1219-1224
Type of Manuscript:  INVITED PAPER (Special Issue on High-Capacity WDM/TDM Networks)
Category: Active Devices for Photonic Networks
Keyword: 
distributed feedback laser diodeWDMgratingEB lithographyoptical modulatorMOVPE
 Summary | Full Text:PDF(570.7KB)

10 Gbit/s-Soliton Transmission over 5700 km in Dispersion Compensated Standard Fiber Systems
Hitoshi MURAI Makoto SHIKATA Kazuo TANAKA Hiromi T. YAMADA Hiroyuki YAMAZAKI Yukihiro OZEKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/02/25
Vol. E81-C  No. 2  pp. 232-234
Type of Manuscript:  Special Section LETTER (Special Issue on Ultrashort Optical Pulse Technologies and their Applications)
Category: 
Keyword: 
optical solitondispersion compensationoptical communication
 Summary | Full Text:PDF(239.2KB)