Lead silicate optical coatings for GaAs-AlGaAs lasers
- 1 May 1978
- journal article
- letter
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 49 (5), 2981-2982
- https://doi.org/10.1063/1.325142
Abstract
Lead silicate glass sputtered onto GaAs‐AlGaAs injection lasers facets can yield optical coatings with near‐perfect linear‐expansion matching or refractive‐index matching by adjusting the PbO : SiO2 ratio. Half‐wave coatings increase the lasing threshold by less than 5%, while quarter‐wave coatings allow a large increase in power output for less than a 30% increase in lasing threshold.Keywords
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