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PL spectra taken at room temperature for QW samples with different thickness SMLs and SCLs.
Spectra of PL and PLE at 10 K for samples k 187(0,1) and 188 (1,1).
Dependence of PL spectra at 10 K on excitation power for samples k 187(0,1) and 188 (1,1). The highest power is . The dashed straight lines are a guide for the eye. The inset is the energy of the PL peak position as a function of relative excitation power for the two samples.
PL peak wavelength as a function of the thickness of GaNAs SCLs for a series of samples with 0.5 nm InGaAs SMLs. The broken curve is a guide for the eye.
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