Origin of 2.7 μm luminescence and energy transfer process of Er3+: 4I11/2→4I13/2 transition in Er3+/Yb3+ doped germanate glasses

Rongrong Xu, Ying Tian, Lili Hu, Junjie Zhang
  • Journal of Applied Physics, January 2012, American Institute of Physics
  • DOI: 10.1063/1.3681289