Shinji HARADA

A 40 GHz Regeneratively and Harmonically Mode-Locked Erbium-Doped Fiber Laser and Its Longitudinal-Mode Characteristics
Masato YOSHIDA Taro YAGUCHI Shinji HARADA Masataka NAKAZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/07/01
Vol. E87-C  No. 7  pp. 1166-1172
Type of Manuscript:  Special Section PAPER (Special Section on Ultrafast Photonics)
Category: 
Keyword: 
fiber laser, erbium-doped fiber amplifier, ultrashort optical pulses, mode-locking, linewidth measurements, 
 Summary | Full Text:PDF(2.1MB)
Tapered Velocity Couplers Composed of Nonlinear Waveguides for Limiting Optical Power
Toshiaki KITAMURA Tetsuro YABU Masahiro GESHIRO Shinji HARADA Shinnosuke SAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/04/01
Vol. E84-C  No. 4  pp. 421-426
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
tapered velocity coupler, nonlinear waveguide, optical power limiter, finite difference method, 
 Summary | Full Text:PDF(260.1KB)