Abstract
We report the photoluminescence characteristics of molecular beam epitaxy grown GaInNAs/GaAs single quantum wells that emit near 1.5-μm wavelength at room temperature. The photoluminescence properties were investigated by varying the excitation wavelength, excitation intensity and sample temperature. It is found that the spectroscopic properties in the 1.5-μm material are quite different from those of similar GaInNAs/GaAs structures emitting at 1.2 μm. The related radiative mechanisms in the 1.5-μm samples are interpreted in terms of the optical transitions of phase-separated quantum-dot states rather than quantum-well states.
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42.62.Fi; 78.55.Cr; 78.66.Fd; 78.67.De
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Sun, H., Calvez, S., Dawson, M. et al. Photoluminescence characteristics of 1.5-μm Ga1-xInxNyAs1-y/GaAs structures grown by molecular beam epitaxy. Appl. Phys. A 80, 9–12 (2005). https://doi.org/10.1007/s00339-004-2985-3
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DOI: https://doi.org/10.1007/s00339-004-2985-3