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- W1678671305 abstract "The optically induced degradation in GaAs-GaAlAs double-heterostructure (DH) laser wafers is examined at elevated temperatures. The degradation of the photoluminescence properties by optical pumping is considered to originate at the interface between an n-GaAlAs clad layer and a p-GaAs active layer, as it is greatly reduced by the insertion of a thin Ga1−xAlxAs buffer layer (x∼0.05, ∼0.05 μm thick) between these two layers. The degradation rate during optical pumping is correlated to laser life. The lasers fabricated from the DH wafers with the Ga1−xAlxAs buffer layer are still operating after 2000 h at 70 °C, whereas lasers without the buffer layer are inoperative after a few hundred hours." @default.
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- W1678671305 date "1980-09-15" @default.
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- W1678671305 title "Improvement of GaAs‐GaAlAs double‐heterostructure laser wafer by Ga<sub>1−<i>x</i></sub>Al<sub><i>x</i></sub>As buffer layer" @default.
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- W1678671305 doi "https://doi.org/10.1063/1.91990" @default.
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