Title :
High-power 980-nm DFB RW lasers with a narrow vertical far field
Author :
Wenzel, H. ; Fricke, J. ; Klehr, A. ; Knauer, A. ; Erbert, G.
Author_Institution :
Ferdinand-Braun-Inst. fur Hochstfrequenztechnik, Berlin, Germany
fDate :
3/15/2006 12:00:00 AM
Abstract :
We compare 980-nm distributed-feedback ridge-waveguide lasers having cavity lengths of 1.5 and 3 mm. The maximum single-mode output powers are 500 and 700 mW, respectively. The full-width at half-maximum of the vertical far-field profile is only 22° due to a superlarge optical cavity.
Keywords :
distributed feedback lasers; laser cavity resonators; semiconductor lasers; waveguide lasers; 1.5 mm; 3 mm; 500 to 700 mW; 980 nm; DFB lasers; high-power lasers; laser cavity; narrow vertical far field; ridge waveguide lasers; ridge-waveguide lasers; semiconductor laser; single-mode laser; superlarge optical cavity; Bragg gratings; Distributed feedback devices; Erbium-doped fiber lasers; Laser feedback; Optical waveguides; Power generation; Power lasers; Pump lasers; Surface emitting lasers; Waveguide lasers; Distributed feedback (DFB) lasers; ridge waveguides (RWs); semiconductor lasers;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2006.871127
