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Complex-coupled quantum cascade distributed-feedback laser

✍ Scribed by Gmachl, C.; Faist, J.; Bailargeon, J.N.; Capasso, F.; Sirtori, C.; Sivco, D.L.; Chu, S.N.G.; Cho, A.Y.


Book ID
118015947
Publisher
IEEE
Year
1997
Tongue
English
Weight
87 KB
Volume
9
Category
Article
ISSN
1041-1135

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## Abstract We present high power mid‐infrared surface‐emitting single mode GaAs‐based quantum cascade lasers (QCLs). By using an air‐AlGaAs waveguide combined with second‐order distributed feedback processing, we obtained optical output, via the surface, above 3W. Surface‐normal dual‐lobe light em