Title :
Low threshold and high efficiency tapered-active-stripe lasers
Author :
Kito, Masahiro ; Inaba, Yuichi ; Chino, Toyoji ; Ishino, Masato ; Itoh, Kunio
Author_Institution :
Semicond. Device Res. Center, Matsushita Electron. Corp., Osaka, Japan
Abstract :
A laterally tapered active stripe over almost the whole cavity has realized FP lasers and DFB lasers with low threshold, high efficiency and narrow beam divergence.
Keywords :
Fabry-Perot resonators; distributed feedback lasers; laser beams; laser cavity resonators; laser feedback; optical fabrication; quantum well lasers; waveguide lasers; DFB lasers; Fabry-Perot lasers; cavity; high efficiency tapered-active-stripe lasers; laterally tapered active stripe lasers; low threshold tapered-active-stripe lasers; narrow beam divergence; strained layer MQW lasers; Distributed feedback devices; Fiber lasers; Laser beams; Laser feedback; Laser modes; Optical device fabrication; Optical feedback; Power generation; Semiconductor lasers; Threshold current;
Conference_Titel :
Communications, 1999. APCC/OECC '99. Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference
Conference_Location :
Beijing, China
Print_ISBN :
7-5635-0402-8
DOI :
10.1109/APCC.1999.820506
