Title :
0.7 W in singlemode fibre from 1.48 μm semiconductor unstable-cavity laser with low-confinement asymmetric epilayer structure
Author :
Delepine, S. ; Gérard, F. ; Fillion, T. ; Pasquier, 5. ; Gaborit, F. ; Chardon, J.P. ; Boubal, F. ; Salet, P.
Author_Institution :
Alcatel Alsthom Recherche, Marcoussis, France
fDate :
2/3/2000 12:00:00 AM
Abstract :
Applied to 1.48 μm high-power unstable-cavity lasers, the concept of low modal gain is demonstrated to efficiently repel filamentation effects, enabling more than 700 mW to be coupled in a singlemode fibre from a single semiconductor laser diode
Keywords :
laser beams; laser cavity resonators; laser stability; optical fibre couplers; quantum well lasers; 0.7 W; 1.48 mum; 700 mW; filamentation effects; filamentation effects repulsion; high-power unstable-cavity lasers; low modal gain; low-confinement asymmetric epilayer structure; semiconductor unstable-cavity laser; single semiconductor laser diode; singlemode fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20000205
