Yasuhiro OKAMURA


PPLN-Based Low-Noise Phase Sensitive Amplification Using an Optical Phase-Locked Pump
Takushi KAZAMA Takeshi UMEKI Yasuhiro OKAMURA Koji ENBUTSU Osamu TADANAGA Atsushi TAKADA Ryoichi KASAHARA 
Publication:   
Publication Date: 2020/11/01
Vol. E103-B  No. 11  pp. 1265-1271
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
phase sensitive amplifierperiodically poled LiNbO3 waveguidenoise figure
 Summary | Full Text:PDF

Optical QPSK Signal Quality Degradation due to Phase Error of Pump Light in Optical Parametric Phase-Sensitive Amplifier Repeaters
Takeshi KIMURA Yasuhiro OKAMURA Atsushi TAKADA 
Publication:   
Publication Date: 2019/04/01
Vol. E102-B  No. 4  pp. 810-817
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
phase-sensitive optical amplifier repeaterspump phase errorphase-conjugated twin waves
 Summary | Full Text:PDF