Optical data storage technologies face challenges in achieving flexible, multi-level data encoding and efficient retrieval. Here, synergistic up-conversion and photo-simulated trap manipulation using co-doped Mg>sub<3 > /sub<Y>sub<2 > /sub<Ge>sub<3 > /sub < ,O>sub<12 > /sub < :Pr>sup<3 + >/sup < ,Yb>sup<3 + >/sup<storage phosphors enable rapid, high-definition data recording and secure multi-level retrieval.
- Yuning Luan
- Quan Sun
- Yichun Liu