Figure 3From: Spin injection in n-type resonant tunneling diodesI-V characteristics curve and voltage dependence of polarization resolved photoluminescence. (a) I-V characteristics curve and voltage dependence of X and X-spin splitting of the PL spectra, (b) voltage dependence of the total integrated QW PL intensity and (c) circular polarization degree of excitons and trions in the QW and of the 2DEG-h emission.Back to article page