Recent research highlights the polarization-dependent photoluminescence properties of cerium-implanted magnesium oxide (MgO) and magnesium aluminate (MgAl2O4). This study forms part of a broader investigation into using materials like spinel for quantum computing applications. The collaboration between researchers from the University of Chicago, Tohoku University, and Argonne National Laboratory demonstrates potential techniques for generating and storing quantum bits within spinel gemstones, marking a significant advancement in material science and quantum information technologies.