Figure 1

Room temperature PR and PL spectra of the As ₄ -grown sample QR35. PPR and PPL spectra show a significant in-(001)-plane polarization anisotropy in the InGaAs QR-related interband transitions for the $\left[1\overline{1}0\right]$ (green curves) and [110] (pink curves) polarizations. Vertical bars indicate numerically evaluated energies and relative strengths of the interband transitions in the InGaAs QW.