ErAl:Al2O3 for telecom-band photonics: Electronic structure and optical propertiesRemoveMahtab A. Khan, Jayden D. Craft, Maida Noor, Hari P. Paudel, Yuhua Duan, Dirk R. Englund, and Michael N. LeuenbergerPhys. Rev. Materials 10, 046201 (2026)
