Figure 4

PL maps of a dislocation pair in GaAs measured under two excitation/detection modes: (a–c) for the L/L mode and (d) for the U/L mode. The vertical bars indicate the relative intensities in photon counts.
PL maps of a dislocation pair in GaAs measured under two excitation/detection modes: (a–c) for the L/L mode and (d) for the U/L mode. The vertical bars indicate the relative intensities in photon counts.