Near-infrared quantum cutting in Ho~(3+)/Yb~(3+) codoped nanostructured glass ceramic

摘要

A first-order quantum cutting luminescence of Ho~(3+)/Yb~(3+) couples, which are incorporated in the YF_(3) nanocrystals embedded in transparent glass ceramic, is reported for the first time, to our knowledge. When Ho~(3+) is excited with one blue photon, it was experimentally demonstrated that the resonant energy transfer from Ho~(3+) to Yb~(3+) occurs, leading to the near-infrared quantum cutting with one Ho~(3+) photon emitting at 1180 nm and one Yb~(3+) photon at 980 nm. The theoretical quantum efficiency is evaluated to be 159percent.