• Er Doped III-Nitride Semiconductors 

      Zakaria, Yahya (2017 , Master Thesis)
      Erbium ions (Er3+) doped in a solid material enables the intra 4f shell transitions from its first excited state (4I13/2) to the ground state (4I15/2). The intra-4f shell transition at 1540 nm is of exceptional interest ...