Role of water in gradual degradation of (Al,Ga)As d.h. lasers

22 May 1980

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 16 (11) , 441-442
https://doi.org/10.1049/el:19800308

Abstract

The presence of water vapour in the ambient of (Al,Ga)As d.h. lasers is found to be a main cause of facet erosion and gradual output degradation. Facet erosion and gradual degradation are absent in lasers operated in a vacuum of 2×10⁻⁸ torr at c.w. output powers of up to 4 mW per μm stripe width.

Keywords

FACET EROSION
GRADUAL OUTPUT DEGRADATION
WATER VAPOUR
(AL
GA)AS DH LASERS

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