Takeshi UMEKI


Phase Sensitive Amplifier Using Periodically Poled LiNbO3 Waveguides and Their Applications
Masaki ASOBE Takeshi UMEKI Osamu TADANAGA 
Publication:   
Publication Date: 2018/07/01
Vol. E101-C  No. 7  pp. 586-593
Type of Manuscript:  INVITED PAPER (Special Section on Distinguished Papers in Photonics)
Category: 
Keyword: 
optical amplifierlithium niobatequasi-phase marchingoptical communication
 Summary | Full Text:PDF(2.1MB)

PPLN-Based Low-Noise In-Line Phase Sensitive Amplifier with Highly Sensitive Carrier-Recovery System
Koji ENBUTSU Takeshi UMEKI Osamu TADANAGA Masaki ASOBE Hirokazu TAKENOUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1727-1733
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Fiber-Optic Transmission for Communications
Keyword: 
phase sensitive amplifierperiodically poled LiNbO3 waveguide
 Summary | Full Text:PDF(1.5MB)