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Article Dans Une Revue Optics Express Année : 2019

Interband cascade Lasers with AlGaAsSb cladding layers emitting at 3.3 µm

Résumé

We investigate the impact of the growth conditions of AlGaAsSb cladding layers on the properties of interband cascade lasers (ICLs). For an optimized structure emitting at 3.3 µm, we achieve an internal quantum efficiency of 65% per stage in good agreement with conventional ICL using InAs/AlSb superlattice cladding layers, in spite of internal losses of 15 cm −1 due to higher optical losses in the n-type AlGaAsSb alloys. Finally, we report a narrow ridge ICL emitting at 3.33 µm operating in continuous wave up to 80°C that produces 1 mW/uncoated facet at 80°C, 10 mW at 40°C and more than 12 mW at 20°C.
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Dates et versions

hal-02345145 , version 1 (04-11-2019)

Identifiants

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D. A Díaz-Thomas, Oleksandr Stepanenko, Michaël Bahriz, Stéphane Calvez, E. Tournié, et al.. Interband cascade Lasers with AlGaAsSb cladding layers emitting at 3.3 µm. Optics Express, 2019, 27 (22), pp.31425. ⟨10.1364/OE.27.031425⟩. ⟨hal-02345145⟩
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