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IEICE Trans

Yasuyuki OKAMURA

Millimeter-Wave Radar Receiver Using Z-Cut LiNbO3 Optical Modulator with Orthogonal-Gap-Embedded Patch-Antennas on Low-k Dielectric Material
Yusuf Nur WIJAYANTO Atsushi KANNO Hiroshi MURATA Tetsuya KAWANISHI Yasuyuki OKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 783-792
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Photonics)
Category: MWP Device and Application
Keyword: 
LiNbO3 optical modulator, patch-antenna, low-k dielectric material, millimeter-wave radar, 
 Summary | Full Text:PDF
Electro-Optic Modulators Using Double Antenna-Coupled Electrodes for Radio-over-Fiber Systems
Naohiro KOHMU Hiroshi MURATA Yasuyuki OKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 204-211
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
electro-optic modulator, patch antenna, resonant electrode, millimeter-wave, radio-over-fiber, 
 Summary | Full Text:PDF
Wireless Microwave-Optical Signal Conversion in Quasi-Phase-Matching Electro-Optic Modulators Using Gap-Embedded Patch-Antennas
Yusuf Nur WIJAYANTO Hiroshi MURATA Yasuyuki OKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 212-219
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
optical modulator, quasi-phase-matching, electro-optic effect, patch antenna, 
 Summary | Full Text:PDF
High-Speed LiTaO3 Optical Polarization Modulator Using Traveling-Wave Electrode and Double Periodic Poling Structure
Hiroshi MURATA Asuka TAKAHASHI Yasuyuki OKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/02/01
Vol. E92-C  No. 2  pp. 212-216
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category: 
Keyword: 
polarization modulation, lithium tantalate (LiTaO3), optical waveguide, traveling-wave modulation, polarization reversal, 
 Summary | Full Text:PDF
Beam Scanning Comb-Line Antenna Loading Movable Dielectric Plate
Kazuhiro KITATANI Takahiko TERADA Yasuyuki OKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2213-2218
Type of Manuscript:  Special Section PAPER (Special Section on 2006 International Symposium on Antennas and Propagation)
Category: Antennas
Keyword: 
microstrip antenna, comb-line, mechanical beam scan, dielectric, 
 Summary | Full Text:PDF
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 modulator, resonant electrode, higher order harmonic resonance, polarization reversed structure, transit-time effect, LiTaO3, 
 Summary | Full Text:PDF
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: 
modulator, optical waveguide, resonator electrode, millimeter-wave, radio-on-fiber, 
 Summary | Full Text:PDF
Measurement of a Depth Profile in a Random Medium Using Coherent Backscattering of Light
Yasuyuki OKAMURA Sadahiko YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/12/25
Vol. E83-C  No. 12  pp. 1809-1813
Type of Manuscript:  Special Section PAPER (Special Issue on Problems of Random Scattering and Electromagnetic Wave Sensing)
Category: Scattering and Propagation in Random Media
Keyword: 
random medium, coherent backscattering, image processing, target tracking, 
 Summary | Full Text:PDF
Enhanced Backscattering from Random Media with Multiple Suspensions
Yasuyuki OKAMURA Hiroyuki KAI Sadahiko YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/10/25
Vol. E82-C  No. 10  pp. 1853-1856
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
enhanced backscattering, random media, particle suspensions, camera observation system, 
 Summary | Full Text:PDF