Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alfred Lell0
Christoph Eichler0
Jan Wagner0
Georg Brüderl0
Werner Bergbauer0
Matthias Peter0
Date of Patent
June 25, 2024
0Patent Application Number
172891240
Date Filed
November 12, 2019
0Patent Citations
Patent Primary Examiner
Patent abstract
In an embodiment an edge-emitting semiconductor laser includes a semiconductor layer sequence having a waveguide region with an active layer disposed between a first waveguide layer and a second waveguide layer and a layer system arranged outside the waveguide region configured to reduce facet defects in the waveguide region, wherein the layer system includes one or more layers with the material composition Al
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