PL spectra for crossed linear polarizations, taken at T = 10 K with excitation wave length λ = 532 nm along and  directions for samples (a) A and (b) B. The degree of linear polarization: has been included in these panels. (c) PL peak position as a function of the excitation intensity.
Villegas-Lelovsky et al. Nanoscale Res Lett 2011 6:56 doi:10.1007/s11671-010-9786-8