10 May 1984 Optically Pumped Semiconductor Laser Material
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The results of an investigation of optically pumped double-heterostructure lasers are reported. Threshold power densities of ≈8-35 kW cm-2 and a total power efficiency of ≈10% have been measured. Gain spectra have been derived from the data for several pumping configurations. Photogenerated carrier concentrations have also been calculated from the spectra. Current injection devices have been fabricated to assess the utility of this method for predicting lasing wavelengths and threshold current densities.
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R. G. Waters, R. G. Waters, S. R. Chinn, S. R. Chinn, B. D. Schwartz, B. D. Schwartz, } "Optically Pumped Semiconductor Laser Material", Proc. SPIE 0452, Spectroscopic Characterization Techniques for Semiconductor Technology I, (10 May 1984); doi: 10.1117/12.939286; https://doi.org/10.1117/12.939286

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