Hiroyoshi YAJIMA


Guided-Wave EO Intensity Modulator Using Coupled Microstrip Line Electrode of Higher-Order Harmonic Resonance Combined with Polarization-Reversed Structure
Akira ENOKIHARA Hiroyoshi YAJIMA Hiroshi MURATA Yasuyuki OKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/05/01
Vol. E90-C  No. 5  pp. 1096-1104
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category: LiNbO3 Devices
Keyword: 
EO modulatorresonant electrodehigher order harmonic resonancepolarization reversed structuretransit-time effectLiTaO3
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Guided-Wave Electro-Optic Modulators Using Novel Electrode Structure of Coupled Microstrip Line Resonator
Akira ENOKIHARA Hiroyoshi YAJIMA Hiroshi MURATA Yasuyuki OKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/03/01
Vol. E88-C  No. 3  pp. 372-378
Type of Manuscript:  Special Section PAPER (Special Section on Optical Signal-Processing Devices for Photonic Networks)
Category: 
Keyword: 
modulatoroptical waveguideresonator electrodemillimeter-waveradio-on-fiber
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Femtosecond Technology in Japan
Hiroyoshi YAJIMA Takeshi KAMIYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/02/25
Vol. E81-C  No. 2  pp. 95-102
Type of Manuscript:  INVITED PAPER (Special Issue on Ultrashort Optical Pulse Technologies and their Applications)
Category: Femtosecond Strategy
Keyword: 
laserfemtosecond pulsesuperelectronics
 Summary | Full Text:PDF(774.3KB)

Analysis of Modes in a Vertical Cavity Surface Emitting Laser with Multilayer Bragg Reflectors
Seiji MUKAI Masanobu WATANABE Hiroyoshi YAJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/09/25
Vol. E77-C  No. 9  pp. 1479-1488
Type of Manuscript:  PAPER
Category: Opto-Electronics
Keyword: 
mode analysisvertical cavity laserdiode laser
 Summary | Full Text:PDF(900.6KB)

Interconnection Architecture Based on Beam-Steering Devices
Hideo ITOH Seiji MUKAI Hiroyoshi YAJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/01/25
Vol. E77-C  No. 1  pp. 15-22
Type of Manuscript:  INVITED PAPER (Special Issue on Optical Interconnection)
Category: 
Keyword: 
optical interconnectionoptical busoptical linkbeam-scanningfringe-shiftingtwin-striped laser diode
 Summary | Full Text:PDF(729.6KB)