Title :
Hybrid modelocking of semiconductor ring lasers incorporating passive deep-ridge waveguides
Author :
Ohno, T. ; Ishii, H. ; Matsuo, S. ; Okamoto, H. ; Kawaguchi, Y. ; Kondo, Y. ; Furuta, T. ; Ito, H. ; Yoshikuni, Y.
Author_Institution :
NTT Photonics Labs., NTT Corp., Kanagawa, Japan
fDate :
8/1/2002 12:00:00 AM
Abstract :
Semiconductor ring lasers having a curved passive waveguide are investigated. A low threshold current of 25 mA for a ring laser, and hybrid modelocking at 29.5, 41.2, and 61.7 GHz are achieved
Keywords :
laser mode locking; optical pulse generation; ring lasers; semiconductor lasers; waveguide lasers; 25 mA; 29.5 GHz; 41.2 GHz; 61.7 GHz; buried waveguide structure; curved passive waveguide; hybrid mode-locking; low threshold current; monolithic integration; optical pulse train generation; passive deep-ridge waveguides; pulsed operating condition; saturable absorber region; semiconductor ring lasers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020642
