Title :
High slope efficiency and low noise in tapered-active-stripe DFB lasers with narrow beam divergence
Author :
Kito, M. ; Inaba, Y. ; Nakayama, H. ; Chino, T. ; Ishino, M. ; Matsui, Y.
Author_Institution :
Electron. Res. Lab., Matsushita Electron. Corp., Osaka, Japan
Abstract :
The highest slope efficiency and the very low noise characteristics are for the first time reported in strained quantum well DFB lasers with narrow beam divergence by employment of a laterally tapered active stripe over the whole cavity.
Keywords :
distributed feedback lasers; laser beams; laser cavity resonators; laser noise; quantum well lasers; high slope efficiency; highest slope efficiency; laterally tapered active stripe; low noise; narrow beam divergence; strained quantum well DFB lasers; tapered-active-stripe DFB lasers; very low noise characteristics; whole cavity; Fiber lasers; Gratings; Laser beams; Laser feedback; Laser modes; Laser noise; Optical buffering; Optical noise; Optical refraction; Optical variables control;
Conference_Titel :
Semiconductor Laser Conference, 1998. ISLC 1998 NARA. 1998 IEEE 16th International
Conference_Location :
Nara, Japan
Print_ISBN :
0-7803-4223-2
DOI :
10.1109/ISLC.1998.734145
