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Er-doped anatase TiO2 thin films on LaAlO3 (001) for quantum interconnects (QuICs)
2022
Applied Physics Letters
Rare-earth ions (REIs) doped into solid-state crystal hosts offer an attractive platform for realizing quantum interconnects that can function as quantum memories and quantum repeaters. The 4f valence electrons of REIs are shielded by 5s and 5p electrons and undergo highly coherent transitions even when embedded in host crystals. In particular, Er3+ has an optical transition in the telecom band that is suitable for low-loss communication. Recently, REIs in thin film systems have gained interest
doi:10.1063/5.0107071
fatcat:podgtii77jawnebfuwlactf2tu