Isao MOROHASHI


Generation of Arbitrarily Patterned Pulse Trains in the THz Range by Spectral Synthesis of Optical Combs
Isao MOROHASHI Takahide SAKAMOTO Norihiko SEKINE Tetsuya KAWANISHI Akifumi KASAMATSU Iwao HOSAKO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/08/01
Vol. E98-C  No. 8  pp. 793-798
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Photonics)
Category: MWP Subsystem
Keyword: 
optical combMach-Zehnder modulatorterahertzultra-wideband
 Summary | Full Text:PDF

Generation of Millimeter Waves with Fine Frequency Tunability Using Mach-Zehnder-Modulator-Based Flat Comb Generator
Isao MOROHASHI Yoshihisa IRIMAJIRI Takahide SAKAMOTO Tetsuya KAWANISHI Motoaki YASUI Iwao HOSAKO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 192-196
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
Mach-Zehnder modulatoroptical combmillimeter waveterahertz wavephotomixing
 Summary | Full Text:PDF

Synthesis of 16 Quadrature Amplitude Modulation Using Polarization-Multiplexing QPSK Modulator
Isao MOROHASHI Takahide SAKAMOTO Masaaki SUDO Atsushi KANNO Akito CHIBA Junichiro ICHIKAWA Tetsuya KAWANISHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Vol. E94-B  No. 7  pp. 1809-1814
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
modulation format electro-optic vector digital-to-analog converterquadrature amplitude modulationquad-parallel Mach-Zehnder modulatorpolarization multiplexing
 Summary | Full Text:PDF