Hirohito YAMADA

Ultra-Small Silicon Photonic Wire Waveguide Devices
Tao CHU  Hirohito YAMADA  Shigeru NAKAMURA  Masashige ISHIZAKA  Masatoshi TOKUSHIMA  Yutaka URINO  Satomi ISHIDA  Yasuhiko ARAKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/02/01
Vol. E92-C  No. 2  pp. 217-223
Type of Manuscript: Special Section PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category: INVITED
Keyword: 
silicon photonics,  photonic wire,  optical devices,  optical waveguide, 
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Si Photonic Wire Waveguide Devices
Hirohito YAMADA  Tao CHU  Satomi ISHIDA  Yasuhiko ARAKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/01/01
Vol. E90-C  No. 1  pp. 59-64
Type of Manuscript: Special Section PAPER (Special Section on Microoptomechatronics)
Category: INVITED
Keyword: 
optical device,  optical waveguide,  Si wire,  lightwave circuit,  integrated optics, 
  Summary |  Full Text:PDF
A Highly Efficient Optical Add-Drop Multiplexer Using Photonic Band Gap with Hexagonal Hole Lattice Photonic Crystal Slab Waveguides
Akiko GOMYO  Jun USHIDA  Tao CHU  Hirohito YAMADA  Satomi ISHIDA  Yasuhiko ARAKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/01/01
Vol. E90-C  No. 1  pp. 65-71
Type of Manuscript: Special Section PAPER (Special Section on Microoptomechatronics)
Category: INVITED
Keyword: 
photonic crystal,  optical add-drop multiplexer,  channeline defect drop filter,  line-defect waveguide,  Bragg reflector,  optical add-drop multiplexer,  optical add-drop multiplexer, 
  Summary |  Full Text:PDF
Optical Sampling System Using Compact and Stable External-Cavity Mode-Locked Laser-Diode Modules
Masayuki SHIRANE  Yoichi HASHIMOTO  Hirohito YAMADA  Hiroyuki YOKOYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/07/01
Vol. E87-C  No. 7  pp. 1173-1180
Type of Manuscript: Special Section PAPER (Special Section on Ultrafast Photonics)
Category: 
Keyword: 
optical sampling,  mode-locking,  eye pattern,  four-wave mixing,  all-optical clock recovery,  optical gate, 
  Summary |  Full Text:PDF
Low Optical Loss Connection for Photonic Crystal Slab Waveguides
Akiko GOMYO  Jun USHIDA  Masayuki SHIRANE  Masatoshi TOKUSHIMA  Hirohito YAMADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/03/01
Vol. E87-C  No. 3  pp. 328-335
Type of Manuscript: Special Section PAPER (Special Section on Photonic Crystals and Their Device Applications)
Category: INVITED
Keyword: 
photonic crystal slab,  immittance of EM Bloch waves,  impedance,  admittance,  reflection,  transmission,  trapezoidal interface structure, 
  Summary |  Full Text:PDF
Precisely Wavelength-Controlled Corrugation for DFB Laser Diodes Delineated by Weighted-Dose Electron-Beam Lithography
Yoshiharu MUROYA  Kenji SATO  Tetsuro OKUDA  Takahiro NAKAMURA  Hirohito YAMADA  Toshitaka TORIKAI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/08/20
Vol. E81-C  No. 8  pp. 1225-1231
Type of Manuscript: Special Section PAPER (Special Issue on High-Capacity WDM/TDM Networks)
Category: 
Keyword: 
electron-beam lithography,  DFB laser diode,  grating,  wavelength control,  WDM, 
  Summary |  Full Text:PDF
Modulation Characteristics of AlGaAs DH Lasers in Frequency Region of 6 to 10 GHz
Minoru YAMADA  Hirohito YAMADA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/10/20
Vol. E64-E  No. 10  pp. 673-674
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics
Keyword: 
  Summary |  Full Text:PDF